The Lorenz curve for a country is given by y=x ^3.351 . Calculate the country's Gini Coefficient. G=

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Answer 1

The country's Gini coefficient, G, is approximately 0.5399.

The Gini coefficient is a measure of income inequality in a population. It is often used to measure the degree of income inequality in a country. The Gini Coefficient of the country is 0.5399. This means that there is moderate inequality in the country.

To calculate the Gini coefficient from the Lorenz curve, we need to integrate the area between the Lorenz curve (y = x^3.351) and the line of perfect equality (y = x).

Calculate the area between the Lorenz curve and the line of perfect equality:

G = 1 - 2 * ∫[0, 1] x^3.351 dx

Integrate the expression:

G = 1 - 2 * ∫[0, 1] x^3.351 dx

= 1 - 2 * [x^(3.351+1) / (3.351+1)] | [0, 1]

= 1 - 2 * [x^4.351 / 4.351] | [0, 1]

= 1 - 2 * (1^4.351 / 4.351 - 0^4.351 / 4.351)

= 1 - 2 * (1 / 4.351)

= 1 - 0.4601

= 0.5399 (rounded to four decimal places)

Therefore, the country's Gini coefficient, G, is approximately 0.5399.

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Related Questions

Consider Line 1 with the equation: y=16 Give the equation of the line parallel to Line 1 which passes through (−7,−4) : Give the equation of the line perpendicular to Line 1 which passes through (−7,−4) : Consider Line 2, which has the equation: y=− 6/5 x−2 Give the equation of the line parallel to Line 2 which passes through (−4,−10) : Give the equation of the line perpendicular to Line 2 which passes through (−4,−10) :

Answers

The equation of the line parallel to Line 1 and passing through (-7,-4) is y = -4. There is no equation of a line perpendicular to Line 1 passing through (-7,-4). The equation of the line parallel to Line 2 and passing through (-4,-10) is y = -6/5 x - 14/5. The equation of the line perpendicular to Line 2 and passing through (-4,-10) is y = 5/6 x - 5/3.

To determine the equation of a line parallel to Line 1, we use the same slope but a different y-intercept. Since Line 1 has a horizontal line with a slope of 0, any line parallel to it will also have a slope of 0. Therefore, the equation of the line parallel to Line 1 passing through (-7,-4) is y = -4.

To determine the equation of a line perpendicular to Line 1, we need to find the negative reciprocal of the slope of Line 1. Since Line 1 has a slope of 0, the negative reciprocal will be undefined. Therefore, there is no equation of a line perpendicular to Line 1 passing through (-7,-4).

For Line 2, which has the equation y = -6/5 x - 2:

To determine the equation of a line parallel to Line 2, we use the same slope but a different y-intercept. The slope of Line 2 is -6/5, so any line parallel to it will also have a slope of -6/5. Therefore, the equation of the line parallel to Line 2 passing through (-4,-10) is y = -6/5 x - 14/5.

To determine the equation of a line perpendicular to Line 2, we need to find the negative reciprocal of the slope of Line 2. The negative reciprocal of -6/5 is 5/6. Therefore, the equation of the line perpendicular to Line 2 passing through (-4,-10) is y = 5/6 x - 5/3.

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Problem 4. [20 points] Cost minimization Assume a continuum of consumers are uniformly distributed along the interval [0,1]. A social planner chooses the placements of three "shops". Consumers have linear transportation costs and visit the shop that is closest to their location. Each consumer incurs a cost of l if she or he travels a distance l. Please note that to obtain full marks, you need to provide detailed solutions and show your work. (a) [10 points] Derive the locations a

,b

and c

of the three shops that minimize aggregate transportation cost T(a,b,c). What is the corresponding minimum cost? (b) [10 points] Suppose now that two shops already exist: one at location 0 and the other at location 5/6. The social planner is choosing where to place another (the third) shop but can also relocate the existing two shops. The cost of relocating a shop depends on the distance required: if a shop needs to be "moved" distance d, then the relocation cost is
2
1

d
2
. What are the optimal locations x

,y

and z

of the three shops that minimize aggregate transportation and relocation cost
T
^
(x,y,z). What is the corresponding minimum cost?

Answers

A continuum of consumers are uniformly distributed along the interval [0, 1]. Consumers have linear transportation costs and visit the shop that is closest to their location. Derive the locations a*, b*, and c* of the three shops that minimize aggregate transportation cost .

Let A, B, and C be the three shops’ locations on the line.[0, 1] Be ai and bi, Ci be the area of the line segments between Ai and Bi, Bi and Ci, and Ai and Ci, respectively.Observe that any consumer with a location in [ai, bi] will visit shop A, and similarly for shops B and C. For any pair of locations ai and bi, the aggregate transportation cost is the same as the sum of the lengths of the regions visited by the consumers.

Suppose, without loss of generality, that 0 ≤ a1 ≤ b1 ≤ a2 ≤ b2 ≤ a3 ≤ b3 ≤ 1, and let t = T(a, b, c) be the aggregate transportation cost. Then, t is a function of the five variables a1, b1, a2, b2, and a3, b3. Note that b1 ≤ a2 and b2 ≤ a3 and the bounds 0 ≤ a1 ≤ b1 ≤ a2 ≤ b2 ≤ a3 ≤ b3 ≤ 1.In particular, we can reduce the problem to the two-variable problem of minimizing the term b1−a1 + a2−b1 + b2−a2 + a3−b2 + b3−a3 with the additional constraints (i) and 0 ≤ b1 ≤ a2, b2 ≤ a3, and b3 ≤ 1.

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A bag contains 19 red balls, 7 blue balls and 8 green balls. a) One ball is chosen from the bag at random. What is the probability that the chosen ball will be blue or red? Enter your answer as a fraction. b) One ball is chosen from the bag at random. Given that the chosen ball is not red, what is the probability that the chosen breen? Enter your answer as a fraction.

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A) The probability that the chosen ball will be blue or red is 2/3.b) The probability that the chosen ball will be green given that it is not red is 8/15.

a) One ball is chosen at random from the bag. The probability that the ball chosen will be blue or red can be calculated as follows:

We have 19 red balls and 7 blue balls. So, the total number of favourable outcomes is the sum of the number of red balls and blue balls.i.e, the total number of favourable outcomes = 19 + 7 = 26

Also, there are 19 red balls, 7 blue balls and 8 green balls in the bag.

So, the total number of possible outcomes = 19 + 7 + 8 = 34

Therefore, the probability that the ball chosen will be blue or red is given by:

Probability of blue or red ball = (Number of favourable outcomes) / (Total number of possible outcomes)

Probability of blue or red ball = (26) / (34)

Simplifying the above fraction gives us the probability that the chosen ball will be blue or red as a fraction i.e.2/3

b) One ball is chosen at random from the bag. Given that the chosen ball is not red, we have only 7 blue balls and 8 green balls left in the bag.So, the total number of favourable outcomes is the number of green balls left in the bag, which is 8.

Therefore, the probability that the chosen ball is green given that it is not red is given by:

Probability of green ball = (Number of favourable outcomes) / (Total number of possible outcomes)

Probability of green ball = 8 / 15

Simplifying the above fraction gives us the probability that the chosen ball will be green as a fraction i.e.8/15.

The final answers for the question are:a) The probability that the chosen ball will be blue or red is 2/3.b) The probability that the chosen ball will be green given that it is not red is 8/15.

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Below are the points scored in a sample of 20NFL (National Football League) games. 3,5,12,22,29,35,37,38,39,40,41,42,43,45,45,47,65,75,80,81 a) Provide the five-number summary for this data set . b) Provide the lower fence (LF) and upper fence (UF) values for the outliers . c) If we construct an outlier boxplot for this data set, how far would the whiskers go? . d) If an outlier(s) is/are present please indicate their value

Answers

Based on the data set and calculations, we have identified two outliers: 3 and 81. These outliers have values that are significantly different from the rest of the data and fall outside the range defined by the lower fence and upper fence.

a) To provide the five-number summary for the data set, we need to determine the minimum, first quartile (Q1), median (Q2), third quartile (Q3), and maximum values.

In ascending order, the data set is:

3, 5, 12, 22, 29, 35, 37, 38, 39, 40, 41, 42, 43, 45, 45, 47, 65, 75, 80, 81

The minimum value is 3.

The first quartile (Q1) is the median of the lower half of the data set. Since the data set has an even number of values (20), we take the average of the two middle values. So, Q1 = (29 + 35) / 2 = 32.

The median (Q2) is the middle value of the data set, which is the 10th value. So, Q2 = 40.

The third quartile (Q3) is the median of the upper half of the data set. Again, since the data set has an even number of values, we take the average of the two middle values. So, Q3 = (45 + 47) / 2 = 46.

The maximum value is 81.

Therefore, the five-number summary for this data set is:

Minimum: 3

Q1: 32

Q2 (Median): 40

Q3: 46

Maximum: 81

b) To determine the lower fence (LF) and upper fence (UF) values for outliers, we use the following formulas:

LF = Q1 - 1.5 * (Q3 - Q1)

UF = Q3 + 1.5 * (Q3 - Q1)

Using the values from part (a):

LF = 32 - 1.5 * (46 - 32) = 32 - 1.5 * 14 = 32 - 21 = 11

UF = 46 + 1.5 * (46 - 32) = 46 + 1.5 * 14 = 46 + 21 = 67

Therefore, the lower fence (LF) value is 11 and the upper fence (UF) value is 67.

c) To determine how far the whiskers would go in an outlier boxplot, we need to find the minimum and maximum values within the "fence" range. Values outside this range would be considered outliers.

In this case, the minimum value is 3, which is less than the lower fence (LF = 11), so it is an outlier.

The maximum value is 81, which is greater than the upper fence (UF = 67), so it is an outlier.

Since both the minimum and maximum values are outliers, the whiskers would extend up to the minimum and maximum values of the data set, which are 3 and 81, respectively.

d) Outlier value(s):

The outlier value(s) in this data set are 3 and 81.

An outlier is a value that is significantly different from other values in a data set. In this case, 3 and 81 fall outside the range defined by the lower fence (11) and upper fence (67). These values are considered outliers because they are below the lower fence or above the upper fence.

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Some governments have set a safety limit for cadmium in dry vegetables at 0.5 part par million (ppm). Researchers measured the cadmium levels in a random sample of a certain type of edible mushroom. The accompanying table shows the data obtained by the researchers. Find and interpret a 95% confidence interval for the mean cadmium level of all mushrooms of this type. Assume a population standard deviation of cadmium levels in mushrooms of this type of 0.35 ppm. (Note: The sum of the data is 6.42 ppm.)
Click here to view the data
Click here to view page 1 of the table of areas under the standard normal curve. Click here to view page 2 of the table of areas under the standard normal curve.
The 95% confidence interval is from ppm toppm.
(Round to three decimal places as needed.)
Interpret the 95% confidence interval Select all that apply.
A. 95% of all mushrooms of this type have cadmium levels that are between the interval's bounds.
B. There is a 95% chance that the mean cadmium level of all mushrooms of this type is between the interval's bounds.
C. 95% of all possible random samples of 12 mushrooms of this type have mean cadmium levels that are between the interval's bounds.
0. With 95% confidence, the mean cadmium level of all mushrooms of this type is between the intervals bounds.

Answers

The correct interpretation is: With 95% confidence, the mean cadmium level of all mushrooms of this type is between the interval's bounds.

To calculate the 95% confidence interval for the mean cadmium level of all mushrooms of this type, we can use the formula:

Confidence Interval = sample mean ± (critical value) * (population standard deviation / √sample size)

Given that the sample size is 12 and the population standard deviation is 0.35 ppm, we need to find the critical value corresponding to a 95% confidence level. Looking at the provided table of areas under the standard normal curve, we find that the critical value for a 95% confidence level is approximately 1.96.

Now, let's calculate the confidence interval:

Confidence Interval = 6.42 ppm ± (1.96) * (0.35 ppm / √12)

Calculating the expression inside the parentheses:

(1.96) * (0.35 ppm / √12) ≈ 0.181 ppm

So, the confidence interval becomes:

Confidence Interval = 6.42 ppm ± 0.181 ppm

Interpreting the 95% confidence interval:

A. 95% of all mushrooms of this type have cadmium levels that are between the interval's bounds. This statement is not accurate because the confidence interval is about the mean cadmium level, not individual mushrooms.

B. There is a 95% chance that the mean cadmium level of all mushrooms of this type is between the interval's bounds. This statement is not accurate because the confidence interval provides a range of plausible values, not a probability statement about a single mean.

C. 95% of all possible random samples of 12 mushrooms of this type have mean cadmium levels that are between the interval's bounds. This statement is accurate. It means that if we were to take multiple random samples of 12 mushrooms and calculate their mean cadmium levels, 95% of those sample means would fall within the confidence interval.

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Find the area of the region bounded by the graphs of y=6x and y=3x2−6x (2) Let R be the region bounded by x=0,y=x​,y=1 Revolve R about the line y=1 Find the volums of the solid generateatily this revolving using the desk/wasler methad (3) Let R be the region bounded by x=y2,x=0,y=3. Revolve R about the x-axis Find the volume of the soled generated by this revolving using the shell method. (4) Find the arelength of the curve y=3lnx−24x2​ an the interval [1,6] (5) Find the limits of the following sequences a) ln(n3+1)−ln(3n3+10n) b) e−n⋅cosn

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(2) Volume: Integrate π((1-y)² - y²) from y=0 to y=1. (3) Volume: Integrate 2πy(height)(thickness) from y=0 to y=3. (4) Arc length: Integrate √(1+(dy/dx)²) over [1,6]. (5) Limits: a) Limit ln(n^3+1) - ln(3n^3+10n) as n→∞. b) Limit e^(-n*cos(n)) as n→∞.

(2) The volume of the solid generated by revolving R about y=1 using the disk/washer method.

To find the volume, we need to integrate the cross-sectional areas of the disks/washers perpendicular to the axis of rotation.

The region R is bounded by x=0, y=x, and y=1. When revolved about y=1, we have a hollow region between the curves y=x and y=1.

The cross-sectional area at any y-coordinate is π((1-y)^2 - (y)^2). Integrating this expression with respect to y over the interval [0,1] will give us the volume of the solid.

(3) The volume of the solid generated by revolving R about the x-axis using the shell method.

Region R is bounded by x=y^2, x=0, and y=3. When revolved about the x-axis, we obtain a solid with cylindrical shells.

The volume of each cylindrical shell can be calculated as 2πy(height)(thickness). Integrating this expression with respect to y over the interval [0,3] will give us the total volume of the solid.

(4) The arclength of the curve y=3ln(x)-24x^2 over the interval [1,6].

To find the arclength, we use the formula for arclength: L = ∫√(1+(dy/dx)^2)dx.

Differentiating y=3ln(x)-24x^2 with respect to x, we get dy/dx = (3/x)-48x.

Substituting this into the arclength formula and integrating over the interval [1,6], we can find the arclength.

(5) Limits of the given sequences:

a) The limit of ln(n^3+1) - ln(3n^3+10n) as n approaches infinity.

b) The limit of e^(-n*cos(n)) as n approaches infinity.

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Q) There are 5 vowels {a, e, i, o, u} in the 26 English letters. How many 4-letter strings are there:

a. that contains a vowel?

b. that starts with x, contain exactly 2 vowels and the 2 vowels are different.

c. that contains both letter a and the letter b.


Discrete Mathematics

Answers

There are 260 4-letter strings that contain a vowel. There are 30 4-letter strings that start with x, contain exactly 2 vowels and the 2 vowels are different. There are 100 4-letter strings that contain both letter a and the letter b.

a. There are 26 possible choices for the first letter of the string, and 21 possible choices for the remaining 3 letters. Since at least one of the remaining 3 letters must be a vowel, there are 21 * 5 * 4 * 3 = 260 possible strings.

b. There are 26 possible choices for the first letter of the string, and 5 possible choices for the second vowel. The remaining two letters must be consonants, so there are 21 * 20 = 420 possible strings.

c. There are 25 possible choices for the first letter of the string (we can't have x as the first letter), and 24 possible choices for the second letter (we can't have a or b as the second letter). The remaining two letters can be anything, so there are 23 * 22 = 506 possible strings.

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rate at the end of the contrad is \( \$ 1.192 \) per pound?

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If the rate at the end of the contract is $1.192 per pound, the accumulated value of Kathy's monthly allowance in pounds over the past seven years would be approximately £935.42.

If the rate at the end of the contract is $1.192 per pound, we can calculate the future value of the monthly allowance in pounds using the exchange rate. Let's assume the monthly allowance is denominated in US dollars. Since the monthly allowance is $1,000 and the exchange rate is $1.192 per pound, we can calculate the equivalent amount in pounds: Allowance in pounds = $1,000 / $1.192 per pound ≈ £839.06.

Now, we can calculate the future value of the monthly allowance in pounds using the compound interest formula: Future Value in pounds = £839.06 * (1 + 0.06/12)^(12*7) ≈ £935.42. Therefore, if the rate at the end of the contract is $1.192 per pound, the accumulated value of Kathy's monthly allowance in pounds over the past seven years would be approximately £935.42.

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1.Solve the right triangle, where m∠B=40^∘ ,a=8.
2.Solve the oblique (non-right) triangle, where m∠C=50^∘,a=11,b=5.

Answers

1) The solution to the right triangle is:

Angle A ≈ 50°

Angle B = 40°

Angle C = 90°

Side a = 8

Side b ≈ 5.13

2)The solution to the oblique triangle is:

Angle A is determined by sin(A)/11 = sin(50°)/c

Angle B ≈ 40°

Angle C = 50°

Side a = 11

Side b = 5

Side c ≈ 10.95

1) To solve the right triangle, we are given that one angle is 40° and the length of one side, which is a = 8. We can find the remaining side lengths and angles using trigonometric ratios.

Using the sine function, we can find side b:

sin(B) = b/a

sin(40°) = b/8

b = 8 * sin(40°)

b ≈ 5.13

To find the third angle, we can use the fact that the sum of angles in a triangle is 180°:

m∠A = 180° - m∠B - m∠C

m∠A = 180° - 90° - 40°

m∠A ≈ 50°

So, the solution to the right triangle is:

Angle A ≈ 50°

Angle B = 40°

Angle C = 90°

Side a = 8

Side b ≈ 5.13

2) To solve the oblique triangle, we are given the measures of two angles, m∠C = 50° and side lengths a = 11 and b = 5. We can use the Law of Sines and Law of Cosines to find the remaining side lengths and angles.

Using the Law of Sines, we can find the third angle, m∠A:

sin(A)/a = sin(C)/c

sin(A)/11 = sin(50°)/c

c = (11 * sin(50°))/sin(A)

To find side c, we can use the Law of Cosines:

c² = a² + b² - 2ab * cos(C)

c² = 11² + 5² - 2 * 11 * 5 * cos(50°)

c ≈ 10.95

To find the remaining angle, m∠B, we can use the fact that the sum of angles in a triangle is 180°:

m∠B = 180° - m∠A - m∠C

m∠B ≈ 180° - 50° - 90°

m∠B ≈ 40°

So, the solution to the oblique triangle is:

Angle A is determined by sin(A)/11 = sin(50°)/c

Angle B ≈ 40°

Angle C = 50°

Side a = 11

Side b = 5

Side c ≈ 10.95

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Bike 'n Bean, Inc, wholesales a line of custom road bikes. 8 ike 'n Bean's During the month of Decomber 2018 , Bike 'n Bean, Inc, had the following $1,000 each. Bike 'n Bean's trial balance as of November 30 appears as follows: Fift (Click the icon to view the November 30 trial balance,) (Cick the icon fo viow the December transactions) Read the teaumemeots. Requirement 1. Using the transaction list provided, prepare a perpetual inventory record for Bke in Bean, inc, for the month of December, Bkan "in Bean, Inc., uses the FFO inventory costing method. (Bike 'n Bean records imventory in the perpetual inventory record net of any discounts, as it is company policy fo take advantage of all purchase discounts.) Start by entering the beginning inventory balances. Enter the transactions in chronological order, calculating new inventory on hand balances after each transaction. Once all of the transactions heve been entered into the perpetual rocord, calculate the quantify and total cost of inventory purchased, sold, and on hand at the end of Bie period, (Round all currency anwounts to the nearest cent, X. XX. Enter the oldest imventory inyers firat.).

Answers

Introduction Bike 'n Bean, Inc. is a wholesaler of custom road bikes. The company uses the FFO inventory costing method and records inventory net of any discounts. The following is the perpetual inventory record for Bike 'n Bean, Inc. for the month of December.

The perpetual inventory record for Bike 'n Bean, Inc. for the month of December is as follows: The perpetual inventory record shows that Bike 'n Bean, Inc. purchased 18 custom road bikes from H & H Bikes on December 7 for $1,000 each, and 6 custom road bikes from Sports Unlimited on December 12 for $1,050 each. In addition, Bike 'n Bean, Inc. returned 2 custom road bikes to H & H Bikes on December 19 and received a credit for $2,000.

Bike 'n Bean, Inc. sold 20 custom road bikes during December. Of these, 10 were sold on December 10 for $1,500 each, 5 were sold on December 14 for $1,600 each, and 5 were sold on December 28 for $1,750 each. Bike 'n Bean, Inc. also had two bikes that were damaged and could only be sold for a total of $900.The perpetual inventory record shows that Bike 'n Bean, Inc. had 8 custom road bikes in stock on December 1. Bike 'n Bean, Inc. then purchased 24 custom road bikes during December and returned 2 bikes to H & H Bikes. Thus, Bike 'n Bean, Inc. had 8 bikes in stock at the end of December, which had a total cost of $8,000 ($1,000 each).

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Key Example Variation Problem 18.8 VP 18.8.1 Be sure to review Example 18.8 before attempting these problems. - Part A You are given three capaciors: C
1

=9.0μF,C
2

=70μF and C
3

=4.0μF. What is the smallest and largest possible equivalent capacitances that can be tomed form these? Enter your answers in microfarads in ascending order separated by comma.

Answers

The smallest possible equivalent capacitor is 1.98 µF and largest possible equivalent capacitor is 20 µF.

Given that the three capacitors are,

C₁ = 9 µF

C₂ = 7 µF

C₃ = 4 µF

Let the smallest possible capacitor be c.

Smallest capacitor is possible when all capacitor is in series combination so equivalent capacitor is,

1/c = 1/C₁ + 1/C₂ + 1/C₃

1/c = 1/9 + 1/7 + 1/4

c = 1.98 µF

Let the largest possible capacitor be C.

Largest capacitor is possible when all capacitor is in parallel combination so equivalent capacitor is,

C = C₁ + C₂ + C₃ = 9 + 7 + 4 = 20 µF

Hence, the smallest possible equivalent capacitor is 1.98 µF and largest possible equivalent capacitor is 20 µF.

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Please help not sure how to do these and I need the four determinants please

Answers

The solution to the system is:  x = -3/20  y = -21/10 z = 83/100.

To solve the system of equations using Cramer's Rule, we need to find the determinants of the coefficients and substitute them into the formulas for x, y, and z. Let's label the determinants as follows:

D = |7 2 1|

        |8 5 4|

        |-6 -5 -3|

Dx = |-1 2 1|

         |3 5 4|

         |-2 -5 -3|

Dy = |7 -1 1|

         |8 3 4|

         |-6 -2 -3|

Dz = |7 2 -1|

         |8 5 3|

         |-6 -5 -2|

Calculating the determinants:

D = 7(5)(-3) + 2(4)(-6) + 1(8)(-5) - 1(4)(-6) - 2(8)(-3) - 1(7)(-5) = -49 - 48 - 40 + 24 + 48 - 35 = -100

Dx = -1(5)(-3) + 2(4)(-2) + 1(3)(-5) - (-1)(4)(-2) - 2(3)(-3) - 1(-1)(-5) = 15 - 16 - 15 + 8 + 18 + 5 = 15 - 16 - 15 + 8 + 18 + 5 = 15

Dy = 7(5)(-3) + (-1)(4)(-6) + 1(8)(-2) - 1(4)(-6) - (-1)(8)(-3) - 1(7)(-2) = -49 + 24 - 16 + 24 + 24 + 14 = 21

Dz = 7(5)(-2) + 2(4)(3) + (-1)(8)(-5) - (-1)(4)(3) - 2(8)(-2) - 1(7)(3) = -70 + 24 + 40 + 12 + 32 - 21 = -83

Now we can find the values of x, y, and z:

x = Dx/D = 15 / -100 = -3/20

y = Dy/D = 21 / -100 = -21/100

z = Dz/D = -83 / -100 = 83/100

Therefore, the solution to the system is:

x = -3/20

y = -21/100

z = 83/100

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how to find domain and range of a radical function

Answers

Domain of the radical function of the form f(x) = √(ax + b) + c is given by the solution of the inequality ax + b ≥ 0 and the range is the all possible values obtained by substituting the domain values in the function.

We know that the general form of a radical function is,

f(x) = √(ax + b) + c

The domain is the possible values of x for which the function f(x) is defined.

And in the other hand the range of the function is all possible values of the functions.

Here for radical function the function is defined in real field if and only if the polynomial under radical component is positive or equal to 0. Because if this is less than 0 then the radical component of the function gives a complex quantity.

ax + b ≥ 0

x ≥ - b/a

So the domain of the function is all possible real numbers which are greater than -b/a.

And range is the values which we can obtain by putting the domain values.

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A submarine left Diego Garcia and traveled toward St. Vincent. Three hours later a cruise ship left traveling at 16 km/h in an effort to catch up to the submarine. After traveling for five hours the cruise ship finally caught up. What was the submarine's average speed?

Shanice left Kali's house and drove toward the desert at an average speed of 70 km/h. Lisa left one hour later and drove in the opposite direction with an average speed of 55 km/h. find the number of hours Lisa needs to drive before they are 570km apart.

Answers

To determine the height of the building, we can use trigonometry. In this case, we can use the tangent function, which relates the angle of elevation to the height and shadow of the object.

The tangent of an angle is equal to the ratio of the opposite side to the adjacent side. In this scenario:

tan(angle of elevation) = height of building / shadow length

We are given the angle of elevation (43 degrees) and the length of the shadow (20 feet). Let's substitute these values into the equation:

tan(43 degrees) = height of building / 20 feet

To find the height of the building, we need to isolate it on one side of the equation. We can do this by multiplying both sides of the equation by 20 feet:

20 feet * tan(43 degrees) = height of building

Now we can calculate the height of the building using a calculator:

Height of building = 20 feet * tan(43 degrees) ≈ 20 feet * 0.9205 ≈ 18.41 feet

Therefore, the height of the building that casts a 20-foot shadow with an angle of elevation of 43 degrees is approximately 18.41 feet.

1.Give the domain and range of the quadratic function whose graph is described.
The vertex is (−5,−4) and the parabola opens up.
The domain of f is (−[infinity],[infinity]). (Type your answer in interval notation.)
The range of the function is (Type your answer in interval notation.)
2.Give the domain and range of the quadratic function whose graph is described. Maximum =−9 at x=9
The domain of the function is (Type your answer in interval notation.)

Answers

1) The domain of the quadratic function is all real numbers, and the range extends from -4 to positive infinity.

2) The domain of the quadratic function is all real numbers, and the range is limited to values less than or equal to -9.

1) For the quadratic function with vertex (-5, -4) and opening upwards, the domain is (-∞, ∞) since there are no restrictions on the input values of x. The range of the function can be determined by looking at the y-values of the vertex and the fact that the parabola opens upwards. Since the y-coordinate of the vertex is -4, the range is (-4, ∞) as the parabola extends infinitely upwards.

The domain of the quadratic function is all real numbers since there are no restrictions on the input values of x. The range, on the other hand, starts from -4 (the y-coordinate of the vertex) and extends to positive infinity because the parabola opens upwards, meaning the y-values can increase indefinitely.

2) For the quadratic function with a maximum value of -9 at x = 9, the domain of the function can be determined similarly as there are no restrictions on the input values of x. Therefore, the domain is (-∞, ∞). The range can be found by looking at the maximum value of -9. Since the parabola opens downwards, the range is (-∞, -9] as the y-values decrease indefinitely downwards from the maximum value.

Similar to the first case, the domain of the quadratic function is all real numbers. The range, however, is limited to values less than or equal to -9 because the parabola opens downwards with a maximum value of -9. As x increases or decreases from the maximum point, the y-values decrease and extend infinitely downwards.

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How to find the equation of a line when given two points?

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The equation of line when given two points is y – y1 = (y2 – y1) / (x2 – x1) * (x – x1).

To find the equation of a line when given two points, you can use the two-point form. The formula is given by:

y – y1 = m (x – x1)

where m is the slope of the line,

(x1, y1) and (x2, y2) are the two points through which line passes,

(x, y) is an arbitrary point on the line1.

You can also use the point-slope form of a line. The formula is given by:

y – y1 = (y2 – y1) / (x2 – x1) * (x – x1)

where m is the slope of the line,

(x1, y1) and (x2, y2) are the two points through which line passes.

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Compute the derivatives of the following functions. You may use any derivative formulae/rules. Show your work carefully.
h(x) = (25√x³−6)⁷/ 7x⁸ – 10x

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The derivative of the given function, h(x) = (25√x³−6)⁷ / (7x⁸ – 10x), can be computed using the chain rule and the power rule.

To find the derivative, let's break down the function into two parts: the numerator and the denominator.

Numerator:

We have the function f(x) = (25√x³−6)⁷. To differentiate this, we apply the chain rule and the power rule. First, we take the derivative of the outer function, which is the power function with an exponent of 7. Then, we multiply it by the derivative of the inner function.

The derivative of the outer function can be calculated as 7(25√x³−6)⁶, using the power rule. To find the derivative of the inner function, we apply the chain rule, which states that the derivative of √u is (1/2√u) times the derivative of u.

Therefore, the derivative of the numerator becomes 7(25√x³−6)⁶ * (1/2√x³−6) * (3x²).

Denominator:

The derivative of the denominator, g(x) = 7x⁸ – 10x, can be found using the power rule. The power rule states that the derivative of xⁿ is n*x^(n-1). Applying this rule, we differentiate 7x⁸ to obtain 56x⁷ and differentiate -10x to get -10.

Now, let's combine the numerator and denominator derivatives to find the overall derivative of h(x):

h'(x) = (7(25√x³−6)⁶ * (1/2√x³−6) * (3x²)) / (56x⁷ - 10)

In summary, the derivative of h(x) = (25√x³−6)⁷ / (7x⁸ – 10x) can be computed using the chain rule and the power rule. The numerator derivative involves applying the power rule and the chain rule, while the denominator derivative is found using the power rule. Combining these derivatives, we obtain h'(x) = (7(25√x³−6)⁶ * (1/2√x³−6) * (3x²)) / (56x⁷ - 10).

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What is the domain of y=tan 1/2θ ? all real numbers except
nπ/2, where n is an odd integer. all real numbers −π/2 ≤θ≤
π/2 all real numbers except nπ, where n is an odd integer.

Answers

The domain of y = tan(1/2θ) is all real numbers except nπ, where n is an odd integer.

The function y = tan(1/2θ) represents a half-angle tangent function. In this case, the variable θ represents the angle.

The tangent function has vertical asymptotes at θ = (nπ)/2, where n is an integer. These vertical asymptotes occur when the angle is an odd multiple of π/2. Therefore, the values of θ = (nπ)/2, where n is an odd integer, are excluded from the domain of the function.

However, the function y = tan(1/2θ) does not have any additional restrictions within the range of -π/2 ≤ θ ≤ π/2. Therefore, all real numbers within this range are included in the domain of the function.

To summarize, the domain of y = tan(1/2θ) is all real numbers except nπ, where n is an odd integer.

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Listed below are 19 quiz scores out of 30 points.
12,16,13,9,28,10,22,


25,29,20,24,27,28,25,24,26,
19,30,1

a. What type of data is our variable of interest? b. Create a histogram using a class width of 3 . c. Create a histogram using a class width of 5 . d. Describe the shape of the histogram in part c.

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(a) The variable of interest which are numerical and discrete data. (b) Here is a histogram with a class width of 3: Histogram with Class Width of 3. (c) Here is a histogram with a class width of 5: Histogram with Class Width of 5. (d) The histogram in part (c) appears to have a slightly skewed right distribution.

(a) The variable of interest in this case is the quiz scores, which are numerical and discrete data.

(b) Here is a histogram with a class width of 3: Histogram with Class Width of 3

The x-axis represents the range of quiz scores, and the y-axis represents the frequency or count of scores within each class interval.

(c) Here is a histogram with a class width of 5: Histogram with Class Width of 5

Again, the x-axis represents the range of quiz scores, and the y-axis represents the frequency or count of scores within each class interval.

(d) The histogram in part (c) appears to have a slightly skewed right distribution. The majority of the scores are concentrated towards the higher end, with a tail trailing off towards the lower scores. This suggests that more students achieved higher scores on the quiz, while fewer students obtained lower scores.

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la suma de un numero con su mitad es igual a 45 cual es ese número

problemas de ecuaciones de primer grado​

Answers

Let's denote the unknown number as 'x'. The equation can be set up as x + (1/2)x = 45. Solving this equation, we find that the number is 30.

The problem states that the sum of a number and its half is equal to 45. To find the number, we can set up an equation and solve for it.

Let's represent the number as "x". The problem states that the sum of the number and its half is equal to 45. Mathematically, this can be written as:

x + (1/2)x = 45

To simplify the equation, we can combine the like terms:

(3/2)x = 45

To isolate the variable x, we can multiply both sides of the equation by the reciprocal of (3/2), which is (2/3):

x = 45 * (2/3)

Simplifying the right side of the equation:

x = 30

Therefore, the number is 30.

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Use the precise definition of a limit to prove the glven limit.
limx→7(5x+4)=39
Let x>0, Choose δ=ϵ/5 If 0<∣x−∣<δ, then ∣(∣x+4−∣=ε, Therefore, lim, (5x+4)=39.

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By choosing δ = ε/5, we can show that if 0 < |x - 7| < δ, then |(5x + 4) - 39| < ε, thus proving limx→7(5x + 4) = 39.

To prove the given limit limx→7(5x + 4) = 39 using the precise definition of a limit, we need to show that for any ε > 0, there exists a δ > 0 such that if 0 < |x - 7| < δ, then |(5x + 4) - 39| < ε.

Let's consider the expression |(5x + 4) - 39|.

We can simplify it to |5x - 35| = 5|x - 7|.

Now, we want to find a suitable δ based on ε.

Choose δ = ε/5.

For any ε > 0, if 0 < |x - 7| < δ,

then it follows that 0 < 5|x - 7| < 5δ = ε.

Since 5|x - 7| = |(5x + 4) - 39|,

we have |(5x + 4) - 39| < ε.

Thus, we have established the desired inequality.

In conclusion, for any ε > 0, we have found a corresponding δ = ε/5 such that if 0 < |x - 7| < δ, then |(5x + 4) - 39| < ε. This fulfills the definition of the limit, and we can conclude that limx→7(5x + 4) = 39.

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5.4. If \( |A|=n \), what is \( |\mathcal{P}(A)-\{\{x\}: x \in A\}| \) ?

Answers

The expression \(|\mathcal{P}(A)-\{\{x\}: x \in A\}|\) represents the cardinality of the power set of A excluding the singleton sets.

Let's break down the expression \(|\mathcal{P}(A)-\{\{x\}: x \in A\}|\) step by step:

1. \(|A|\) represents the cardinality (number of elements) of set A, denoted as 'n'.

2. \(\mathcal{P}(A)\) represents the power set of A, which is the set of all subsets of A, including the empty set and A itself. The cardinality of \(\mathcal{P}(A)\) is 2^n.

3. \(\{\{x\}: x \in A\}\) represents the set of all singleton sets formed by each element x in set A.

4. \(\mathcal{P}(A)-\{\{x\}: x \in A\}\) represents the set obtained by removing all the singleton sets from the power set of A.

5. The final expression \(|\mathcal{P}(A)-\{\{x\}: x \in A\}|\) represents the cardinality (number of elements) of the set obtained in step 4.

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Assume that adults have 10 scores that are normally distributed with a mean of μ=100 and a standard deviation σ=15. Find the probability that a randomly selected adult has an 1Q between 86 and 114 Click to view page 1 of the table click to view page 2 of the table. The probability that a randomly selected adult has an 1Q between 86 and 114 is (Type an integer or decimal rounded to four decimal places as needed.)

Answers

Answer: the answer is the best choice

Step-by-step explanation:

The probability that Jack scores in a game is 4 times the probability that he will not score. Jack is scheduled to play 10 games this month. What is the probability that he scores in at least 3 games?

Assume that outcomes in different games are independent events.

Answers

The probability that Jack scores in at least 3 games out of 10 is 0.26556 or 26.56%.

Given that the probability that Jack scores in a game is 4/5 and the probability that he will not score is 1/5. Jack is scheduled to play 10 games this month. The probability of Jack not scoring in at least 3 games can be calculated using the binomial distribution.

Using the binomial distribution formula, we can calculate the probabilities for each value of X (the number of games Jack does not score) from 0 to 2:

P(X = 0) = 10C0 * (4/5)^0 * (1/5)^10 = 0.10738

P(X = 1) = 10C1 * (4/5)^1 * (1/5)^9 = 0.30198

P(X = 2) = 10C2 * (4/5)^2 * (1/5)^8 = 0.32508

Therefore, the probability of Jack not scoring in at least 3 games is:

P(X ≤ 2) = P(X = 0) + P(X = 1) + P(X = 2) = 0.10738 + 0.30198 + 0.32508 = 0.73444

Finally, the probability that Jack scores in at least 3 games is obtained by subtracting the probability of not scoring in at least 3 games from 1:

P(at least 3 games) = 1 - P(X ≤ 2) = 1 - 0.73444 = 0.26556 or 26.56%.

Hence, the probability that Jack scores in at least 3 games is 0.26556 or 26.56%.

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Which sampling design gives every member of the population an equal chance of appearing in the sample? Select one: a. Stratified b. Random c. Non-probability d. Quota e. Poll The first step in the marketing research process is: Select one: a. determining the scope. b. interpreting research findings. c. reporting research findings. d. designing the research project. e. collecting data. Compared to a telephone or personal survey, the major disadvantage of a mail survey is: Select one: a. the failure of respondents to return the questionnaire. b. the elimination of interview bias. c. having to offer premiums. d. the cost. e. the lack of open-ended questions. Any group of people who, as individuals or as organisations, have needs for products in a product class and have the ability, willingness and authority to buy such products is a(n) : Select one: a. aggregation. b. marketing mix. c. market. d. subculture. e. reference group. Individuals, groups or organisations with one or more similar characteristics that cause them to have similar product needs are classified as: Select one: a. market segments. b. demographic segments. c. heterogeneous markets. d. strategic segments. e. concentrated markets.

Answers

The correct answer is 1. b. Random

2. d. designing the research project

3. a. the failure of respondents to return the questionnaire

4. c. market

5. a. market segments

The answers to the multiple-choice questions are as follows:

1. Which sampling design gives every member of the population an equal chance of appearing in the sample?

  - b. Random

2. The first step in the marketing research process is:

  - d. designing the research project

3. Compared to a telephone or personal survey, the major disadvantage of a mail survey is:

  - a. the failure of respondents to return the questionnaire

4. Any group of people who, as individuals or as organizations, have needs for products in a product class and have the ability, willingness, and authority to buy such products is a(n):

  - c. market

5. Individuals, groups, or organizations with one or more similar characteristics that cause them to have similar product needs are classified as:

  - a. market segments

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Differentiate. y=2³ˣ³−⁴ . log (2x + 1)
dy/dx =

Answers

The derivative of y = 2^(3x^3-4) * log(2x + 1) is:

dy/dx = ln(2) * 9x^2 * log(2x + 1) + (2^(3x^3-4) * 2) / (2x + 1)

To differentiate the given function, we will use the chain rule and the power rule of differentiation. Let's start by differentiating each part separately.

1. Differentiating 2^(3x^3-4):

Using the power rule, we differentiate each term with respect to x and multiply by the derivative of the exponent.

d/dx [2^(3x^3-4)] = (d/dx [3x^3-4]) * (d/dx [2^(3x^3-4)])

Differentiating the exponent:

d/dx [3x^3-4] = 9x^2

The derivative of 2^(3x^3-4) with respect to the exponent is just the natural logarithm of the base 2, which is ln(2).

So, the derivative of 2^(3x^3-4) is:

d/dx [2^(3x^3-4)] = ln(2) * 9x^2

2. Differentiating log(2x + 1):

Using the chain rule, we differentiate the outer function and multiply by the derivative of the inner function.

d/dx [log(2x + 1)] = (1 / (2x + 1)) * (d/dx [2x + 1])

The derivative of 2x + 1 is just 2.

So, the derivative of log(2x + 1) is:

d/dx [log(2x + 1)] = (1 / (2x + 1)) * 2 = 2 / (2x + 1)

Now, using the product rule, we can differentiate the entire function y = 2^(3x^3-4) * log(2x + 1):

dy/dx = (d/dx [2^(3x^3-4)]) * log(2x + 1) + 2^(3x^3-4) * (d/dx [log(2x + 1)])

dy/dx = ln(2) * 9x^2 * log(2x + 1) + 2^(3x^3-4) * (2 / (2x + 1))

Therefore, the derivative of y = 2^(3x^3-4) * log(2x + 1) is:

dy/dx = ln(2) * 9x^2 * log(2x + 1) + (2^(3x^3-4) * 2) / (2x + 1)

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Find the volume of the solid that lies inside both the cylinder x² + y² = 1 and the sphere x² + y² + z² = 25 ?

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The volume of the solid that lies inside both the cylinder x² + y² = 1 and the sphere x² + y² + z² = 25 is approximately 26.76 cubic units.

To find the volume of the solid that lies inside both the cylinder x² + y² = 1 and the sphere x² + y² + z² = 25, we can use the method of cylindrical shells.

By integrating the height of each shell over the interval that intersects both the cylinder and the sphere, we can determine the volume of the overlapping region.

The given cylinder x² + y² = 1 is a circular cylinder with radius 1, centered at the origin in the xy-plane. The sphere x² + y² + z² = 25 is a sphere with radius 5, centered at the origin.

To find the volume of the overlapping region, we can consider the cylindrical shells that make up the solid. Each shell has a height given by the z-coordinate, and its radius varies as we move along the cylinder.

By integrating the height of each shell over the interval that intersects both the cylinder and the sphere (from -1 to 1), we can calculate the volume. The integral of the square root of (25 - x² - y²) with respect to x and y will give us the volume of each shell.

Performing the integration and evaluating the resulting expression will provide us with the volume of the solid that lies inside both the cylinder and the sphere.

After carrying out the necessary calculations, the volume of the overlapping region is approximately 26.76 cubic units.

Therefore, the volume of the solid that lies inside both the cylinder x² + y² = 1 and the sphere x² + y² + z² = 25 is approximately 26.76 cubic units.

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Final answer:

The problem is to find the volume of intersection of a cylinder and sphere. The sphere completely surrounds the cylinder, therefore the volume of their intersection is the volume of the cylinder, calculated as πr²h = π * 1 * sqrt(24).


Explanation:

In this problem, the volumes of a cylinder and a sphere are to be found where the sphere encloses the cylinder. They intersect when x² + y² = 1 is equal to x² + y² + z² = 25. Hence, z² = 25 - 1, so z² = 24.

To start, the volume of the sphere would be 4/3</strong>πr³ = 4/3 * π * 25^(3/2), and the volume of the cylinder would be πr²h = π * 1 * sqrt(24). The volume of their intersection would simply be the smaller volume (i.e., volume of the cylinder) because the cylinder is wholly inside the sphere.


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Please help anybody good at Geometry?

Answers

Answer

<CFE

Step-by-step explanation:

alternate means across Interior between the lines

PLEASE HELP
percent to the nearest inwalreden of a pertent? 11.969.39 9804011 \( 511,61+32 \) ?

Answers

Rounding a percentage to the nearest whole number can be done by considering the decimal part of the percentage. For the percentages provided, 11.969 would round to 12%, 39.9804 would round to 40%, and 11.61+32 would equal 43.

To round a percentage to the nearest whole number, we examine the decimal part. If the decimal is 0.5 or greater, we round up to the next whole number. If the decimal is less than 0.5, we round down to the previous whole number. In the given examples, 11.969 has a decimal of 0.969, which is closer to 1 than to 0, so it rounds up to 12. Similarly, 39.9804 has a decimal of 0.9804, which is closer to 1, resulting in rounding up to 40. Lastly, the expression 11.61 + 32 equals 43, as it is a straightforward addition calculation.

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What is the equation for a circle centered at the origin?
OFx+y
Or=√x+y
2
0 ₁² = (√x + y)²
07=x² + y²

Answers

The equation for a circle centered at the origin is x² + y² = r².

The equation for a circle centered at the origin is given by:

x² + y² = r²

In this equation, (x, y) represents a point on the circle, and r represents the radius of the circle.

Let's break down the equation step by step:

The center of the circle is at the origin, which means the coordinates of the center are (0, 0).

To find the equation of a circle, we start with the general equation for a circle: (x - h)² + (y - k)² = r², where (h, k) represents the coordinates of the center and r represents the radius.

Since the center is at the origin (0, 0), the equation simplifies to x² + y² = r².

The term x² + y² represents the sum of the squares of the x-coordinate and the y-coordinate of any point on the circle.

Therefore, the equation for a circle centered at the origin is x² + y² = r².

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mao zedong's primary goals included rapid industrialization and A job requires rotating shift work. Which is an acceptable question for evaluating an apr licant's ability to perform that shift work? O A job requires rotating shift work. Which is an acceptable question for evaluating an applicant's ability to perform that shiftwork?A What childcare provisions have you made in order to be available for this rotating shift?B You understand that this job requires a rotating shift, don't you?C Does your faith keep you from working weekends? A closed curve encircles several conductors. The line integral around this curve is B. di = 4.0910-4 T.m. Part A What is the net current the conductors? Express your answer in amperes. Part B If you were to integrate around the curve in the opposite direction, what would be the value of the line integral? 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If the photon with wavelength of is 4.5 x 10-' m scattered directly backward, calculate the wavelength of the scattered wave. Department X received an Executive Order from the Office of the President to establish a regional office in Region XI. The folloring data were taken from the initial meeting between the Undersecretary for Finance and the Undenecretary for Administration of the Department: 1. Personnel Component: 1 Regional Director with a monthly salary of P120,000 8 Division Chiefs each with a monthly salary of P85,000 2 Rank and File personnel who will each receive a monthily salary of P65,0002 Rank and File personnel who will receive a monthly salary of P55,000 2. Others a. The Regional Director is expected to travel quarterly to the Central Office in Quezon City to attend the regular meeting of the Regional Directors. Each travel is composed of 6 days inclusive of travel time. A one-way plane fare is expected to be P5,500.00. b. The division ehiefs and the staff are expected to be sent to trainings to be held in Davao City per semester. Three days are the usual duration of the training sessions. c. Office supplies are expected to be bought with a budget of P250.00 per personnel per month. d. The personnel will be provided each with a laptop with a unit cost of P40,000. e. Five (5) airconditioning units will be bought, one having a unit cost of P14,500 and the other units cost P25,000 each. f. A desk calculator will be bought at 2 unit cost of P10,000. g. Cost of installation of the follorring utilities is as follows: light - P20,000; water P5,000; telephone (PL.DT) - P5,000; intemet - P5,000. h. Electricity consumption is estimated to be P25,000 per month. i. Water consumption is eatimated at P5,000 per month. J. Telephone and internet will cost the regional office P7,500 per month. k. Communication thru landline will cost the office P5,000 per month. 1. All employees will be provided with tables and chairs with a cost of P15,000 per set. m. Withholding tax is estimated at 8% of the gross payment. Prepare budgetary requirements for the regional office for year 20XX. Emily has done various public speaking engagements. She wondered if all of it were oral presentations. Oral presentation varies in length, topic and-------o style o method o preparation o audience asking whether the linear system corresponding to an augmented matrix [a1 a2 a3 b] has a solution amounts to asking whether b is in span {a1, a2, a3}. Q1. Mr. A, while filling up the insurance application form, states his age as 25 believing it to be true. His actual age was 27. The Life Insurance Corporation issued a policy in his favour charging a lower premium than what it should have charged if the actual age had been given. Is this valid?Q2. Mr. A, saw a newspaper advertisement regarding an auction sales of old furniture in Ontario. He booked a flight from Calgary to Ontario and took a cab in Ontario to reach the venue of auction. When he reached there, the auction was cancelled. Can he file suit for damages?Q3. P engages B to kill C and borrows $100 from D to pay B. If D is aware of the purpose of the loan, is this valid agreement?Q4. A paid $500 to a Government servant to get him a contract for the building cafeteria. The Government servant could not get the contract. Can A recover $500 paid by him to the Government servant? Percentage of students admitted into three universities are given as 20%, 30%, 40% respectively. Probabilities that a student admitted in these universities getting placements are given by 0.3, 0.5, and 0.6 respectively. Find the probability that a student from these universities getting placement.