Evaluate. Write your answer as an integer or reduced fraction (for ex. , type in as 2/3) in lowest terms. 38/8 * 64/6 */* 6/5

Answers

Answer 1

integer or reduced fraction (for ex. , type in as 2/3) in lowest terms. 38/8 * 64/6 */* 6/5, the evaluated expression is 380/9.

To evaluate the expression:

(38/8) * (64/6) / (6/5)

We can simplify each fraction and then perform the multiplication and division:

(38/8) = (19/4)

(64/6) = (32/3)

(6/5) remains the same.

Now we can multiply the fractions:

(19/4) * (32/3) / (6/5)

To multiply fractions, we multiply the numerators together and the denominators together:

(19 * 32) / (4 * 3) / (6/5)

= (608/12) / (6/5)

To divide fractions, we multiply the first fraction by the reciprocal of the second fraction:

(608/12) * (5/6)

= (608 * 5) / (12 * 6)

= 3040/72

Now we can simplify the fraction by dividing both the numerator and denominator by their greatest common divisor, which is 8:

(3040/72) / 8/8

= (380/9) / 1

= 380/9

Therefore, the evaluated expression is 380/9.

Learn more about integer

https://brainly.com/question/33503847

#SPJ11


Related Questions

Aluminum has a density of 2.7 g/mc3, what is the mass of aluminum with a volume of 1.50cm3

Answers

The mass of aluminum with a volume of 1.50 cm³ is 4.05 grams.

To find the mass of aluminum with a volume of 1.50 cm³, we can use the formula:

Mass = Density x Volume

Given that the density of aluminum is 2.7 g/cm³ and the volume is 1.50 cm³, we can substitute these values into the formula:

Mass = 2.7 g/cm³ x 1.50 cm³

Multiplying these values, we find:

Mass = 4.05 g

Therefore, the mass of aluminum with a volume of 1.50 cm³ is 4.05 grams.

Visit here to learn more about volume brainly.com/question/28058531

#SPJ11

Let f(x) = 2x−5, g(x) = 4x−1, and h(x) = x²+x+2. Evaluate h(f(g(2))).
a) 7 go to station 2
b) 9 go to station 10
c) 29 go to station 9
d) 43 go to station 8
e) 92 go to station 1

Answers

The value of h(f(g(2))) evaluates to 92.

The correct option is e) 92.

Given:

f(x) = 2x - 5

g(x) = 4x - 1

h(x) = x² + x + 2

First, let's find g(2):

g(2) = 4(2) - 1

    = 8 - 1

    = 7

Now, substitute g(2) into f(x):

f(g(2)) = f(7)

        = 2(7) - 5

        = 14 - 5

        = 9

Finally, substitute f(g(2)) into h(x):

h(f(g(2))) = h(9)

           = (9)² + 9 + 2

           = 81 + 9 + 2

           = 92

Learn more about Functions here:

brainly.com/question/31062578

#SPJ11



Write an equation of a parabola that opens up, with vertex at the origin and a focus as described.

focus is 2.5 units from the vertex

Answers

The equation of the parabola that opens up, with the vertex at the origin and a focus 2.5 units from the vertex, is y^2 = 10x.

For a parabola that opens up or down, the standard form equation is y^2 = 4px, where p represents the distance from the vertex to the focus.

In this case, the vertex is at the origin, and the focus is 2.5 units from the vertex.

Since the focus is above the vertex and the parabola opens up, we have p = 2.5.

Plugging this value into the equation, we get y^2 = 4(2.5)x, which simplifies to y^2 = 10x.

Therefore, the equation of the parabola is y^2 = 10x.

This equation represents a parabola that opens upward, with the vertex at the origin and the focus located 2.5 units above the vertex.

Learn more about Equation click here :brainly.com/question/13763238

#SPJ11

Events A and B are not mutually exclusive. If P(A)=1/2 , P(B)=1/4, and P(A and B)=1/8 , find P(A or B) .

Answers

The probability of the union of events A and B, P(A or B), can be found by adding the probabilities of A and B and subtracting the probability of their intersection.

Given that events A and B are not mutually exclusive, we need to calculate P(A or B), which represents the probability of either A, B, or both occurring.

The formula for calculating P(A or B) is: P(A or B) = P(A) + P(B) - P(A and B).

Substituting the given probabilities, we have:

P(A or B) = P(A) + P(B) - P(A and B) = 1/2 + 1/4 - 1/8.

To simplify, we need a common denominator:

P(A or B) = (4/8) + (2/8) - (1/8) = 5/8.

Therefore, the probability of event A or event B (or both) occurring, P(A or B), is 5/8.

Learn more about probability : brainly.com/question/13604758

#SPJ11

Suppose we know the homework scores in a particular (large) lecture class are Normally distributed with a mean of 82 and a standard deviation of 4.5. Based on this information, we can say that roughly 95% of students will be expected to have a homework score that falls between what two values?

Answers

Roughly 95% of students in the lecture class are expected to have a homework score that falls between 73.1 and 90.9. This interval represents the range within which the majority of students' scores are likely to lie.

In a normally distributed dataset, the empirical rule, also known as the 68-95-99.7 rule, states that approximately 68% of the data falls within one standard deviation of the mean, 95% falls within two standard deviations, and 99.7% falls within three standard deviations. Given that the mean homework score is 82 and the standard deviation is 4.5, we can apply the empirical rule to determine the range of scores.

To find the range of scores within which 95% of students are expected to fall, we calculate two standard deviations above and below the mean. Two standard deviations below the mean is 82 - (2 * 4.5) = 73, and two standard deviations above the mean is 82 + (2 * 4.5) = 91. Therefore, we can say that roughly 95% of students are expected to have a homework score between 73 and 91.

It's important to note that the empirical rule provides an approximation and assumes a normal distribution. In reality, individual scores may deviate from this range, but the majority of scores are expected to fall within it.

Learn more about Range here:

https://brainly.com/question/12777994

#SPJ11



∠6 and ∠7 form linear pair. If m∠6=3 x+32 and m∠ 7=5 x+12 , find x, m∠6 , and m∠7 . Justify each step.

Answers

The value of x is 17. Therefore, m∠6 = 83 and m∠7 = 97.

To find the value of x and the measures of angles ∠6 and ∠7, we'll use the information that ∠6 and ∠7 form a linear pair.

A linear pair consists of two adjacent angles that are supplementary, meaning their measures add up to 180 degrees.

Let's set up the equation:

m∠6 + m∠7 = 180

Substituting the given measures:

3x + 32 + 5x + 12 = 180

Combining like terms:

8x + 44 = 180

To solve for x, we'll isolate the variable:

8x = 180 - 44

8x = 136

Dividing both sides by 8:

x = 136 / 8

x = 17

Now we can find the measures of angles ∠6 and ∠7 by substituting the value of x into their respective equations:

m∠6 = 3(17) + 32 = 51 + 32 = 83

m∠7 = 5(17) + 12 = 85 + 12 = 97

Therefore, x = 17, m∠6 = 83, and m∠7 = 97.

To know more about linear pairs, refer here:

https://brainly.com/question/1757859#

#SPJ11

What is the shape of the distribution for the following set of data? scores: 1, 2, 3, 3, 4, 4, 4 5, 5, 5, 5, 6

Answers

The shape of the distribution for the given set of data is positively skewed.

A positively skewed distribution is characterized by a long tail on the right side of the distribution. In this case, the mode (most frequently occurring value) is 5, while the values 1, 2, 3, 4, and 6 have fewer occurrences. This creates a longer tail on the right side of the distribution, indicating a positive skew.

The data is skewed towards the higher end, or right-skewed with a higher frequency towards the higher scores.. The frequency decreases as we move towards the lower scores.

To know more about distribution refer here:

https://brainly.com/question/30011644

#SPJ11



From 32 students, 4 are to be randomly chosen for an academic challenge team. In how many ways, can this be done?

Answers

There are 27,405 ways to choose 4 students out of 32 for the academic challenge team.

The number of ways to choose 4 students out of 32 can be calculated using the combination formula, which is denoted as "32 choose 4" or written as C(32, 4).

To calculate the number of ways to choose 4 students out of 32, we can use the combination formula:

C(n, r) = n! / (r! * (n - r)!)

where n is the total number of students (32 in this case) and r is the number of students to be chosen (4 in this case).

Applying this formula, we have:

C(32, 4) = 32! / (4! * (32 - 4)!)

Simplifying this expression:

C(32, 4) = 32! / (4! * 28!)

Now, calculating the factorial expressions:

32! = 32 * 31 * 30 * ... * 3 * 2 * 1

4! = 4 * 3 * 2 * 1

28! = 28 * 27 * 26 * ... * 3 * 2 * 1

The common terms between 32! and 28! cancel out, leaving:

C(32, 4) = (32 * 31 * 30 * 29) / (4 * 3 * 2 * 1)

Evaluating this expression, we find:

C(32, 4) = 27,405

Therefore, there are 27,405 ways to choose 4 students out of 32 for the academic challenge team.

To learn more about combination formula

brainly.com/question/13090387

#SPJ11

ΔXYZ and ΔWYV have vertices X(-1,-9),Y(5,3),Z(-1,6), W(1,-5), and V(1,5) . Find the ratio of the perimeters of the two triangles.

Answers

The ratio of the perimeters of the two triangles ≈  0.7

The given vertices are,

X(-1,-9),Y(5,3),Z(-1,6), W(1,-5), and V(1,5)

First, find the length of each side of the triangles ΔXYZ and ΔWYV.

For ΔXYZ:

Side XY = √((5-(-9))² + (3-(-9))²) = √(340) = 18.43

Side YZ = √((6-3)² + (-1-6)²) = √(130) = 11.40

Side XZ = √((6-(-9))² + (-1-(-9))²) = √(325) = 18.02

For ΔWYV:

Side WY = √((5-(-5))²+ (3-(-5))²) = √(164) = 12.80

Side YV = √((5-(-5))² + (5-3)²) = √(102) = 10.09

Side WV = √((1-5)² + (-5-5)²) = √(161) = 10.77

Now we can find the perimeters of each triangle:

Perimeter of ΔXYZ = 18.43 + 11.40 + 18.02 = 47.85

Perimeter of ΔWYV = 12.80 + 10.09 +  10.77 = 33.66

To find the ratio of the perimeters,

Simply divide the perimeter of ΔWYV by the perimeter of ΔXYZ:

The ratio of perimeters = 33.66/47.85 ≈ 0.7

Hence the required ratio is approximately 0.7.

To learn more about the triangle visit;

brainly.com/question/1058720

#SPJ4



Write a coordinate proof of each statement.

The diagonals of a rectangle are congruent.

Answers

The diagonals of rectangle are congruent.

Here,

Using a rectangle with the lettering ABCD

The diagonal AC divide the rectangle into two right angled triangles

∠ADC = 90⁰

In the rectangle, AD=BC and AB=CD

Also, The same diagonal AC has another right angled triangle ABC with ∠ABC=90⁰

Similarly, diagonal BD divides the rectangle into two right angled triangles of ΔBAD and ΔBCD with a common hypothenuse of  BD

Hence AB=CD and AD= BC

Therefore, the two diagonals are congruent

Learn more about congruent lines,

brainly.com/question/2305152

#SPJ4



An artist is making triangular ceramic tiles for a triangular patio. The patio will be an equilateral triangle with base 18 ft and height 15.6 ft .

c. Find the area of one tile in square inches when θ=30° and when θ=60° .

Answers

when θ = 30°, the area of one tile is approximately 10097.28 square inches, and when θ = 60°, the area of one tile is approximately 33601.92 square inches.

To find the area of one tile in square inches when θ=30° and when θ=60°, we need to calculate the area of the individual triangular tiles.

Given that the patio is an equilateral triangle with a base of 18 ft and a height of 15.6 ft, we can use the formula for the area of an equilateral triangle:

Area = (sqrt(3) / 4) * (side length)^2

Since the base of the equilateral triangle is given as 18 ft, each side length is also 18 ft.

Let's calculate the area of one tile for both θ = 30° and θ = 60°:

a. When θ = 30°:

The tile is a right-angled triangle with one side length equal to the height of the equilateral triangle (15.6 ft) and the other side length equal to half the base (9 ft).

To find the area of this right-angled triangle, we can use the formula:

Area = (1/2) * base * height

Area = (1/2) * 9 ft * 15.6 ft

Area = 70.2 ft²

To convert the area to square inches, we need to multiply by the conversion factor (1 ft² = 144 in²):

Area = 70.2 ft² * 144 in²/ft²

Area ≈ 10097.28 in²

b. When θ = 60°:

The tile is an equilateral triangle with side lengths equal to the base length (18 ft).

Using the formula for the area of an equilateral triangle:

Area = (sqrt(3) / 4) * (side length)^2

Area = (sqrt(3) / 4) * (18 ft)^2

Area ≈ 233.38 ft²

To convert the area to square inches:

Area = 233.38 ft² * 144 in²/ft²

Area ≈ 33601.92 in²

Therefore, when θ = 30°, the area of one tile is approximately 10097.28 square inches, and when θ = 60°, the area of one tile is approximately 33601.92 square inches.

To learn more about  area click here:

/brainly.com/question/15724566

#SPJ11

Use the matrices A and B given below to complete the following. Enter all answers in exact, reduced form.
A = [w -1 4 v ]
[ 11 y 11 7 ]
[-8 -9 r -14]
B = [0 16 4 -4]
[-2 -12 -6 3]
[-5 0 n 0]
[5 -9 -15 q]
If E=AB, determine the following.
e33=
e13=
e22 =

Answers

The simplified expressions for e33, e13, and e22 in the matrix E = AB are:

e33 = 54r - 14q - 41

e13 = 22 - 15v

e22 = -12y + 113

To determine the values of e33, e13, and e22 in the matrix E = AB, where A and B are given matrices, we need to perform matrix multiplication.

First, let's calculate the matrix product of A and B:

A = [w -1 4 v] B = [0 16 4 -4]

[11 y 11 7] [-2 -12 -6 3]

[-8 -9 r -14] [-5 0 n 0]

[5 -9 -15 q]

Using the row-column method of matrix multiplication, we can calculate each element of the resulting matrix E.

e33: The element in the third row and third column of E.

e33 = (-8)(4) + (-9)(-6) + (r)(-15) + (-14)(q)

e13: The element in the first row and third column of E.

e13 = (w)(4) + (-1)(-6) + (4)(-15) + (v)(q)

e22: The element in the second row and second column of E.

e22 = (11)(16) + (y)(-12) + (11)(0) + (7)(-9)

Now, substitute the given values for the variables w, y, r, v, n, and q into the corresponding equations to obtain the exact, reduced forms of e33, e13, and e22.

Therefore, the simplified expressions for e33, e13, and e22 in the matrix E = AB are:

e33 = 54r - 14q - 41

e13 = 22 - 15v

e22 = -12y + 113

Learn more about Matrix here : https://brainly.com/question/28180105

#SPJ11

Find the x - and y-intercepts of the graph of the equation x²+y²=64.

Answers

The equation x² + y² = 64 represents a circle with its center at the origin and a radius of 8 units. The x-intercepts are(-8, 0) and (8, 0), and the y-intercepts are (0, -8) and (0, 8).

The equation x² + y² = 64 is in the standard form of a circle equation, where the center of the circle is at the origin (0,0) and the radius is the square root of the constant term, which is 8 in this case. The x-intercepts are the points where the circle intersects the x-axis. To find the x-intercepts, we set y = 0 in the equation and solve for x. Substituting y = 0, we get x² + 0² = 64, which simplifies to x² = 64. Taking the square root of both sides, we have x = ±8. Therefore, the x-intercepts are (-8, 0) and (8, 0).

Similarly, the y-intercepts are the points where the circle intersects the y-axis. To find the y-intercepts, we set x = 0 in the equation and solve for y. Substituting x = 0, we get 0² + y² = 64, which simplifies to y² = 64. Taking the square root of both sides, we have y = ±8. Therefore, the y-intercepts are (0, -8) and (0, 8).

In summary, the graph of the equation x² + y² = 64 is a circle centered at the origin with a radius of 8 units. The x-intercepts are (-8, 0) and (8, 0), while the y-intercepts are (0, -8) and (0, 8).

Learn more about equation of circle here:

https://brainly.com/question/29288238

#SPJ11

An econometrics professor decides to run an experiment to measure the effect of time pressure on final exam scores. She gives each of the 50 students in her course the same final exam, but some students have 90 minutes to complete the exam, while the others have 120 minutes. Each of the students is randomly assigned to one of the examination times based on the flip of a coin (25 students will be randomly assigned to the 90 minutes group and 25 students to the 120 minutes group). Let Y
i

denote the test score of student i and let X
i

denote the amount of time assigned to student i (i.e. X
i

=90 or X
i

=120 ). Consider the regression model Y
i

=α+βX
i

+u
i

In a regression model, we assume that E[u
i

∣X
i

]=E[u
i

]. Do you think that this assumption is likely to hold in this case? Why or why not? Instead of flipping a coin, the professor changes her mind and decides to assign students in their junior year to have 90 minutes and those in their senior year to have 120 minutes. She then runs the same regression model. Might this cause any problems in interpreting β as the causal effect of getting more time on an exam? Why or why not? It is reasonable to assume that students in their senior year have completed more math-related courses, and past experience in math classes is positively related to test scores in econometrics. If that is true, then will the assignment in part (2) lead to upward or downward bias in the OLS estimates? Why?

Answers

The assumption E[uᵢ|Xᵢ]=E[uᵢ] is unlikely to hold in this case due to potential selection bias. Assigning students based on their junior or senior year could cause problems in interpreting β as a causal effect because the assignment is not random. The assignment in part (2) would likely lead to upward bias in the OLS estimates due to the positive relationship between math-related courses and test scores.

In this case, the assumption E[uᵢ|Xᵢ]=E[uᵢ] is unlikely to hold because there is a potential for selection bias. Random assignment based on the flip of a coin ensures that any differences in exam scores between the two groups can be attributed to the time difference. However, in the second scenario where students are assigned based on their junior or senior year, the assignment is not random. Senior students likely have more math-related courses and past experience, which can affect their test scores. Therefore, the assumption of the regression model is violated.

Assigning students based on their junior or senior year could cause problems in interpreting β as a causal effect of getting more time on an exam. The assignment is not random, and the difference in test scores between the groups could be influenced by factors other than time pressure. Factors such as prior math knowledge, experience, or motivation could confound the relationship between time and test scores.

If students in their senior year have completed more math-related courses, and past experience in math classes is positively related to test scores, the assignment in part (2) would likely lead to an upward bias in the OLS estimates. This is because the senior students, who have more math-related courses, would tend to have higher test scores even without the additional time. The positive relationship between math-related courses and test scores would inflate the estimated effect of additional time on exam scores, leading to an upward bias in the OLS estimates.

Learn more about regression model here:

https://brainly.com/question/29657622

#SPJ11

write cos 16 degrees in terms of sine

Answers

Sure! Cosine of 16 degrees can be expressed in terms of sine as sin(74°) or as √(1 - sin²(16°)) where sin(16°) is equal to 0.2756¹.

B. Sin 74 degress

Refer to the readings on Bayesian Analysis in ch.11, pp. 530-531. In the formula for P(IC∣D) on p.521, the DENOMINATOR represents P(C) P(C,IC) P(D) P(IC)

Answers

The denominator in the formula for P(IC∣D) represents the product of several probabilities: P(C), P(C,IC), P(D), and P(IC). This denominator is derived from the application of Bayes' theorem in Bayesian analysis.

It is used to calculate the posterior probability of the hypothesis IC (Hypothesis of Interest given Data) given the observed data D.

The formula for P(IC∣D) is given by:

P(IC∣D) = [P(C∣IC) P(IC)] / [P(C) P(C,IC) + P(~C) P(~C,IC)]

In this formula, the numerator represents the prior probability P(IC) multiplied by the conditional probability P(C∣IC). The denominator represents the joint probabilities of C and IC occurring together, as well as the joint probabilities of ~C (not C) and IC occurring together, weighted by the respective probabilities of C and ~C.

By dividing the numerator by the denominator, we obtain the posterior probability of IC given the observed data D, which allows for inference and decision-making based on Bayesian analysis.

Learn more about numerator here

brainly.com/question/7067665

#SPJ11

What is the value today of a money machine that will pay $3,916.00 every six months for 24.00 years? Assume the first payment is made 2.00 years from today and the interest rate is 10.00%. Answer format: Currency: Round to: 2 decimal places.

Answers

the value today of the money machine that will pay $3,916.00 every six months for 24.00 years, assuming the first payment is made 2.00 years from today and the interest rate is 10.00%, is approximately $63,385.02

The formula for the present value of an annuity is:

PV = C * [1 - (1 + r)^(-n)] / r

PV = Present Value

C = Cash flow per period

r = Interest rate per period

n = Number of periods

Cash flow per period (C) = $3,916.00

Number of periods (n) = 24.00 years / 0.5 years per period = 48 periods

Interest rate per period (r) = 10.00% per year / 2 periods per year = 5.00% per period

Using these values, we can calculate the present value (PV):

PV = $3,916.00 * [1 - (1 + 0.05)^(-48)] / 0.05

PV ≈ $3,916.00 * [1 - (1.05)^(-48)] / 0.05

PV ≈ $3,916.00 * (1 - 0.185004) / 0.05

PV ≈ $3,916.00 * 0.814996 / 0.05

PV ≈ $63,385.02

Learn more about interest rates here:

https://brainly.com/question/28236069

#SPJ11

the number of televisions in a small town, use the frequency distribution to construct a probability distribution

Answers

Each probability represents the likelihood of a household in the town having a particular number of televisions.

To construct a probability distribution using a frequency distribution of the number of televisions in a small town, you will need the frequency of each number of televisions and the total number of households in the town. Let's assume we have the following frequency distribution:

Number of Televisions (x) Frequency (f)

0 10

1 30

2 50

3 40

4 20

To construct the probability distribution, you need to calculate the probability of each number of televisions occurring in the town. The probability (P(x)) of a particular number of televisions (x) is calculated by dividing the frequency of that number of televisions by the total number of households in the town.

First, calculate the total number of households by summing up the frequencies:

Total households = 10 + 30 + 50 + 40 + 20 = 150

Now, divide the frequency of each number of televisions by the total households to obtain the probability:

P(0) = 10 / 150 = 0.067

P(1) = 30 / 150 = 0.200

P(2) = 50 / 150 = 0.333

P(3) = 40 / 150 = 0.267

P(4) = 20 / 150 = 0.133

The probability distribution for the number of televisions in the small town is as follows:

Number of Televisions (x) Probability (P(x))

0 0.067

1 0.200

2 0.333

3 0.267

4 0.133

Each probability represents the likelihood of a household in the town having a particular number of televisions.

Learn more about  probability  from

https://brainly.com/question/30390037

#SPJ11

Simplify each expression, and eliminate any negative exponents.
y².y⁻⁴
z⁹z⁻⁷z⁻⁸
y⁷y⁰/y¹⁷

Answers

The expression y²y⁻⁴ simplifies to y⁻², and z⁹z⁻⁷z⁻⁸ simplifies to z⁻⁶. Additionally, y⁷y⁰/y¹⁷ simplifies to y⁻¹⁰.

In the first expression, y²y⁻⁴, we can simplify by adding the exponents since we are multiplying like bases. The exponent of y² means we have y multiplied by itself twice, and the exponent of y⁻⁴ means we have y divided by itself four times. By subtracting the exponents, we get y²y⁻⁴ = y²-⁴ = y⁻².

Moving on to the second expression, z⁹z⁻⁷z⁻⁸, we apply the same rule of adding exponents. Combining the exponents, we have z⁹z⁻⁷z⁻⁸ = z⁹+⁻⁷+⁻⁸ = z⁻⁶.

Lastly, in the expression y⁷y⁰/y¹⁷, any number or variable raised to the power of zero equals 1, so y⁰ = 1. Dividing y⁷ by y¹⁷ can be simplified by subtracting the exponents: y⁷/y¹⁷ = y⁷-¹⁷ = y⁻¹⁰.

Therefore, the simplified expressions without negative exponents are y⁻², z⁻⁶, and y⁻¹⁰.

Learn more about expressions here:

https://brainly.com/question/14083225

#SPJ11



Use matrices P, Q, R, S and I. Determine whether the two expressions in each pair are equal.


(P+Q) R and P R+Q R

Answers

The two expressions (P+Q)R and PR + QR are equal.

To determine whether the two expressions in each pair are equal, we can simplify and compare them.

Expression 1: (P+Q)R

Expression 2: PR + QR

To compare these expressions, we need to ensure that matrix addition and matrix multiplication properties are followed.

If P, Q, and R are matrices of compatible sizes, then the distributive property holds true for matrix multiplication. Using this property, we can expand Expression 1:

(P+Q)R = PR + QR

Comparing Expression 1 (PR + QR) with Expression 2 (PR + QR), we can see that they are equal. The order of adding the matrices does not affect the result since matrix addition is commutative.

Therefore, the two expressions (P+Q)R and PR + QR are equal.

Learn more about expression from

brainly.com/question/1859113

#SPJ11



In this problem, you will investigate rectangular pyramids.


c. Explain how multiplying the base area and/or the height of the pyramid by 5 affects the volume of the pyramid.

Answers

Multiplying the base area and/or the height of a rectangular pyramid by 5 will increase the volume of the pyramid by a factor of 5.

The formula for the volume of a rectangular pyramid is given by V = (1/3) * base area * height.

When the base area is multiplied by 5, let's call it A', and the height is multiplied by 5, let's call it h', the new volume V' of the pyramid can be calculated as:

V' = (1/3) * (A' * 5) * (h' * 5)

  = (1/3) * 5 * 5 * A' * h'

  = 5 * 5 * (1/3) * A' * h'

  = 25 * (1/3) * A' * h'

  = 25 * V

We can see that the new volume V' is equal to 25 times the original volume V. Therefore, multiplying the base area and/or the height of a rectangular pyramid by 5 will result in the volume being increased by a factor of 5. This means that the new volume will be five times larger than the original volume.

LEARN MORE ABOUT rectangular pyramid here: brainly.com/question/32241962

#SPJ11



Use the rectangle at the right.


d. Suppose the length and width of the rectangle are halved. What effect does this have on the perimeter? the area? Justify your answer.

Answers

When the length and width of a rectangle are halved, the effect on the perimeter is that it is also halved. The effect on the area is that it is reduced to one-fourth of the original area.

we can consider the formulas for calculating the perimeter and area of a rectangle. The perimeter of a rectangle is given by the formula P = 2(l + w), where l represents the length and w represents the width. When the length and width are halved, the new values for l and w become (1/2)l and (1/2)w. Substituting these values into the perimeter formula, we get P' = 2((1/2)l + (1/2)w), which simplifies to P' = l + w. This shows that the new perimeter is halved compared to the original perimeter.

Similarly, the area of a rectangle is given by the formula A = l * w. When the length and width are halved, the new values for l and w become (1/2)l and (1/2)w. Substituting these values into the area formula, we get A' = (1/2)l * (1/2)w, which simplifies to A' = (1/4)l * w. This shows that the new area is one-fourth of the original area.

Therefore, when the length and width of a rectangle are halved, the perimeter is halved, while the area is reduced to one-fourth of the original area.

To learn more about perimeter

brainly.com/question/7486523

#SPJ11

(20\%) Suppose the demand for chocolate ice cream in UNF is described by the equation QD​=20−P and the supply was described by QD​=−40+P. a. Write inverse demand and inverse supply functions. b. What are the equilibrium price and quantity? c. Graph the demand and supply curves. Label all relevant axes, curves, and points (Xintercepts, Y-intercepts, and equilibrium) in the graph.

Answers

The inverse demand function is P = 20 – QD, and the inverse supply function is P = QS + 40. The equilibrium price is 30, and the equilibrium quantity is -10. The graph illustrates these relationships.


a. To find the inverse demand and inverse supply functions, we need to solve the given demand and supply equations for the price (P).
Demand equation: QD = 20 – P
Inverse demand: P = 20 – QD
Supply equation: QS = -40 + P
Inverse supply: P = QS + 40

b. To determine the equilibrium price and quantity, we need to set the demand and supply equations equal to each other and solve for the price (P).
20 – QD = QS + 40
Since both QD and QS represent the same quantity, we can substitute QD with QS:
20 – QS = QS + 40
Rearranging the equation:
2QS = -20
Dividing by 2:
QS = -10
Substituting the value of QS back into either the demand or supply equation to find the equilibrium price:
P = QS + 40
P = -10 + 40
P = 30
So the equilibrium price is 30, and the equilibrium quantity is -10.

c. Let’s graph the demand and supply curves to illustrate this. We’ll use the price (P) on the vertical axis and the quantity (Q) on the horizontal axis.
Demand curve:
- Set P = 0 in the inverse demand equation to find the x-intercept:
0 = 20 – QD
QD = 20
- Set QD = 0 to find the y-intercept:
P = 20 – QD
P = 20 – 0
P = 20
Plot the points (0, 20) and (20, 0) on the graph and draw a straight line connecting them.
Supply curve:
- Set P = 0 in the inverse supply equation to find the x-intercept:
0 = QS + 40
QS = -40
- Set QS = 0 to find the y-intercept:
P = QS + 40
P = -40 + 40
P = 0
Plot the points (0, 0) and (-40, 0) on the graph and draw a straight line connecting them.
Finally, mark the equilibrium point where the demand and supply curves intersect. In this case, it’s (Q = -10, P = 30).
The graph should show the demand curve sloping downwards from the top left to the bottom right, the supply curve sloping upwards from the bottom left to the top right, and the equilibrium point (Q = -10, P = 30) where the curves intersect.

Learn more about Price here: brainly.com/question/33249688
#SPJ11

Susan can make 4 Sweaters or 6 pairs of Pants in one day and Tom can make 8 pairs of Pants or 6 Sweaters in one day. Answer the following questions: a. Who has absolute advantage in making Sweaters?
b. Who has absolute advantage in making a pair of Pants?

c. Who has comparative advantage in making Sweaters?

d. Who has comparative advantage in making a pair of Pants?

Answers

a. Tom has the absolute advantage in making sweaters. b. Tom has the absolute advantage in making a pair of pants. c. Tom has the comparative advantage in making sweaters. d. Susan has the comparative advantage in making a pair of pants.

To determine who has absolute and comparative advantage in making sweaters and pants, we compare the production capabilities of Susan and Tom.

a. Absolute advantage in making sweaters:

Susan can make 4 sweaters in one day, while Tom can make 6 sweaters in one day. Therefore, Tom has the absolute advantage in making sweaters.

b. Absolute advantage in making a pair of pants:

Susan can make 6 pairs of pants in one day, while Tom can make 8 pairs of pants in one day. Therefore, Tom has the absolute advantage in making a pair of pants.

c. Comparative advantage in making sweaters:

To determine comparative advantage, we compare the opportunity cost of producing each item. The opportunity cost is the amount of one good that must be given up to produce an additional unit of another good.

For Susan, the opportunity cost of making 1 sweater is 6/4 = 1.5 pairs of pants.

For Tom, the opportunity cost of making 1 sweater is 8/6 = 1.33 pairs of pants.

Since Tom has a lower opportunity cost (1.33 pairs of pants) compared to Susan (1.5 pairs of pants), Tom has the comparative advantage in making sweaters.

d. Comparative advantage in making a pair of pants:

For Susan, the opportunity cost of making 1 pair of pants is 4/6 = 0.67 sweaters.

For Tom, the opportunity cost of making 1 pair of pants is 6/8 = 0.75 sweaters.

Since Susan has a lower opportunity cost (0.67 sweaters) compared to Tom (0.75 sweaters), Susan has the comparative advantage in making a pair of pants.

Learn more about opportunity cost here:

https://brainly.com/question/32971162

#SPJ11

Use Descaries' rule of sigma to determine the possible number of positive and negative real zeros for the following function. Then, use the graph to determine the actual numbers of positive and negative real zeros.
P(x)=7x⁴+3x³+3x−1
What is the possible number of postive real zeros?
A. 1
B. 3 or 1
C. 2 or 0
D. 0

Answers

The possible number of positive real zeros for the function P(x) = 7x⁴ + 3x³ + 3x - 1 is either 2 or 0.

To apply Descartes' Rule of Signs to determine the possible number of positive real zeros for the function P(x) = 7x⁴ + 3x³ + 3x - 1, we count the sign changes in the coefficients of the polynomial. Starting with the original function P(x), let's write down the signs of the coefficients: 7x⁴: Positive

3x³: Positive

3x: Positive

-1: Negative

We observe that there are two sign changes in the coefficients of P(x): from positive to positive, and from positive to negative. According to Descartes' Rule of Signs, the possible number of positive real zeros is either equal to the number of sign changes (2) or less than that by an even number (0).Therefore, the possible number of positive real zeros for the function P(x) = 7x⁴ + 3x³ + 3x - 1 is either 2 or 0.To determine the actual number of positive real zeros, we need to analyze the graph of the function or use numerical methods such as graphing calculators or software. Using a graphing calculator or software to graph the function P(x) = 7x⁴ + 3x³ + 3x - 1 would allow us to visually determine the actual number of positive real zeros.

Learn more about function here :

https://brainly.com/question/30721594

#SPJ11

Use the table to find each probability.

P (has no diploma | has experience)

Answers

The probability of having no diploma given that the person has experience is 4/81 or approximately 0.0494.

To find the probability of having no diploma given that the person has experience, we need to use the given information from the table.

The total number of people who have experience is the sum of the "yes" and "no" values under the "has experience" column for the "Has high (yes)" category, which is 54 + 27 = 81.

The number of people who have no diploma and have experience is given as 4.

Therefore, the probability of having no diploma given that the person has experience can be calculated as:

Probability = Number of people with no diploma and have experience / Total number of people with experience

Probability = 4 / 81

So, the probability of having no diploma given that the person has experience is 4/81 or approximately 0.0494.

Learn more about Probability at:

https://brainly.com/question/30390037

#SPJ4

The table used for reference is attached here:

(a)The perimeter of a rectangular field is 304m . If the length of the field is94 m , what is its width?

Answers

Answer:

W=58

Step-by-step explanation:

Perimeter= 2L+2W

304=2(94)+2W

304=188+2W

116=2W

W=58

I hope this helps!

Answer: 58 m

Step-by-step explanation:

Okay so this problem looks kinda hard at first but actually its pretty simple.


The perimeter formula is 2l+2w where l is the length and w is the width.

We know what the length is and the whole perimeter.

2(94)+2y=304

188+2y=304

2y=304-188

2y=116

y=58

Lets verify our work!

2(94)+2(58)=304

188 + 116 = 304

Yep and you're done!

ixl's study in the sun contest has begun. students who answer the most questions correctly from june 13 to august 7 will win an ipad or gift card! register today>>skip to contentixl learningsearch topics and skillswelcome, amay!learningdiagnosticanalyticsrecommendationsskill plansmathlanguage artssciencesocial studiesspanishcommon coreawardsmath awardslanguage arts awardscertificates centerpre-kkindergartenfirstsecondthirdfourthfifthsixthseventheighthalgebra 1geometryalgebra 2precalculusallthird grade math awardswin more prizes!keep practicingwhat's under that square? each square has a different challenge. meet it, and you'll reveal a virtual prize. see how many you can discover!beltcowboydust devilbadgenecklacecactuscoyotecamelowlbackpackteepeecopper nuggetantsbarrelvestdesertscapelanternsaddlelassolizardhorned lizardstorefrontflowerssagebrushjavelinafoxstagecoachcowgirlsand duneguitarthis is what's been keeping you busyyou've earnedgold medal89 medalsyou've answered2,599 questionsyou've practiced for18 hr 23 minyou've mastered87 skillsyou've revealed30 prizes

Answers

The IXL Study in the Sun contest offers students a chance to win an iPad or gift card by answering the most questions correctly between June 13 and August 7.

IXL Learning has organized the Study in the Sun contest, a competition where students have the opportunity to win prizes by answering questions correctly on the IXL platform.

The contest runs from June 13 to August 7, and the participants who answer the highest number of questions correctly during this period will be eligible to win an iPad or a gift card.

The contest aims to motivate students to engage in educational activities over the summer break and continue their learning journey.

Participants accumulate medals based on their achievements, such as the number of questions answered and skills mastered.

Additionally, by completing various challenges, students can uncover virtual prizes hidden beneath squares on the IXL interface.

Learn more about Numbers click here :brainly.com/question/3589540

#SPJ11

It is May 1. You have just bought $1,800 worth of furniture. You will pay for it in 24 equal monthly payments, starting at the end of May next year. Interest is 8% nominal per year, compounded monthly. How much will your payment be? (Round your answer to the nearest cent eg. XX.XX)

Answers

The monthly payment for the furniture will be approximately $85.08.

To calculate the monthly payment for the furniture purchase, we can use the formula for the monthly payment on a loan:

P = (r * PV) / (1 - (1 + r)^(-n))

Where:

P is the monthly payment

r is the monthly interest rate

PV is the present value of the loan (the purchase price of the furniture)

n is the number of monthly payments

First, we need to calculate the monthly interest rate. The nominal interest rate is given as 8% per year, compounded monthly. So the monthly interest rate (r) is (8% / 12) = 0.08 / 12 = 0.0067.

The present value (PV) of the loan is the purchase price of the furniture, which is $1,800.

The number of monthly payments (n) is 24.

Now we can plug these values into the formula and calculate the monthly payment (P):

P = (0.0067 * 1800) / (1 - (1 + 0.0067)^(-24))

P ≈ $85.08

Therefore, your monthly payment for the furniture will be approximately $85.08.

Learn more about payment here: https://brainly.com/question/27628990

#SPJ11

A production process makes X units of a product each week, where X is a random variable which takes values 99,104 , or 116 , with corresponding probabilities 0.1, 0.7, and 0.2. The nu What is the average productivity (in terms of average number of units per labor hour)? (provided 2 decimal places) (hint: average production = expected value = sum of \{each production value times its probability }; productivity = output / input) ere X is a random variable which takes values 99,104 , of 116 , with corresponding probabilities 0.1,0.7, and 0.2 The number of labor hours needed for this is 54 units per labor hour)? fuction value times its probability), productivity = output / input)

Answers

The average productivity of this production process is approximately 1.96 units per labor hour.

The average productivity, in terms of the average number of units per labor hour, for a production process can be determined using the expected value approach. In this case, the random variable X represents the number of units produced each week, with corresponding probabilities. The average production, or expected value, can be calculated by summing each production value multiplied by its probability. Finally, the productivity can be obtained by dividing the average production by the number of labor hours needed.

In this scenario, the production values are 99, 104, and 116, with corresponding probabilities of 0.1, 0.7, and 0.2, respectively. To find the average production, we multiply each production value by its probability and sum the results:

Average production = (99 * 0.1) + (104 * 0.7) + (116 * 0.2) = 9.9 + 72.8 + 23.2 = 105.9

Given that the number of labor hours needed is 54 units per labor hour, we can calculate the average productivity:

Productivity = Average production / Labor hours = 105.9 / 54 ≈ 1.96

The average productivity of this production process is approximately 1.96 units per labor hour.

Learn more about probabilities here:

https://brainly.com/question/32117953

#SPJ11

Other Questions
Chemists graph xinetio data to determine rate constants and the order of reactions. Analyze this data a (2) Aler gathering rate data, a chemist grap 0.2.6 Ponts Earned 2/2Aflempts Remaining Chemists graph kinetic data to determine rate constants and the order of reactions. Analyze this data. If the slope is 0.0470 for this reaction, determine the rate constant, k, for this reaction. Explain the essence of the catch up hypothesis and the constraints to the catch up hypothesis. general error an error has occurred processing your request. javascript must be enabled for this site to work correctly. note: if you are using a browser other than internet explorer, you may receive this warning even if your browser is javascript enabled. please try again. if problem persists contact lsac support. if you received this warning using internet explorer, please try again and allow the page to completely load before clicking on any page items. note: use of your browser's navigational buttons may cause errors. please use the navigational buttons provided within lsac.org account access. A smooth cube of mass m and edge length r slides with speed v on a horizontal surface with negligible friction. The cube then moves up a smooth incline that makes an angle \theta with the horizontal. A cylinder of mass m and radius r rolls without slipping with its center of mass moving with speed v and encounters an incline of the same angle of inclination but with sufficient friction that the cylinder continues to roll without slipping.(c) Explain what accounts for this difference in distances traveled. b. Are the event of having a license and the event of being an adult independent events? Justify your answer. You have only one attempt. Use a text entry and answer the following questions: 1) When the string of a bow and arrow is pulled, the elastic energy is converted to energy of the arrow when the string is released. 2) Name the organelle involve in photosynthesis in plant cell. 3) What is autotroph term means? Provide an example 4) In Photosynthesis: carbon dioxide, water, and sunlight give you and Margaret is planning to retire from her job. She would like an income of $7,500 per month for the next 15 years until her death with the first cash inflow deposit into this investment account now? Your response must be entered as a numerical value with 2 decimal places and excluding the dollar sign (\$). Answer: Hanna Corporation markets a compact microwave oven. In 2010 they sold 23,000 units at $375 each. Per capita disposable income in 2010 was $6,750. Hanna economists have determined that the arc price elasticity for this microwave oven is 1.2. Use arc price elasticityE_p =\frac{\frac{Q_2-Q_1}{(Q_1+Q_2)/2}}{\frac{P_2-P_1}{(P_1+P_2)/2}}.to answer questions below: Part A: In 2011 Hanna is planning to lower the price of the microwave oven to $325. Will a price decrease in 2011 help company revenue growth? Why? (Hints: How would you interpret price elasticity 1.2? Will total revenue in 2011 be higher than 2010? ) Part B: What sales volume for 2011 will be assuming that all other things remain equal? Part C: However, in checking with government economists, Hanna finds that per capita disposable income is expected to rise to $7,000 in 2011. In the past the company has observed an arc income elasticity of +2.5 for microwave ovens. Given that the price is reduces to $325 and that per capita disposable income increases to $7,000, what sales volume for 2011 will be? Assume that the price and income effects are independent and additive. Hints: Read " The Combined Effect of Demand Elasticities " in the textbook Use the formula: Q2 = Q1[ 1 + ED(% P) + EY(% Y) ] where % P = (P2-P1)/(P2+P1)/2 % Y = (Y2-Y1)/(Y2+Y1)/2 A global leading chemical company aimed to define a global digital operations strategy that would help them to be a first mover and leverage the potential of digital operations, increasing efficiency while improving customer service performance. Their operations strategy covering manufacturing and supply chain, developed concepts to implement the strategy, scanned the market for viable applications and piloted them together with their clients and the technology provider in lighthouses. Subsequently they support their clients in the global roll-out phase to ensure a successful implementation. Their comprehensive strategy covers topics such as horizontal integration and full transparency along the extended supply chain as well as digital manufacturing topics such as predictive maintenance, augmented reality and big data process optimisation. The transformation of this global leading chemical company created a great momentum and mind-set change in the organisation and helped to achieve operational benefits like lower inventories and increased efficiency in operations. Answer ALL the questions in this section. Question 1 (5 Marks) Operations or operations management is not only about creating tangible goods in the business market, but it is more than this. Discuss the scope of Operations Management in its entirety. Question 2 (15 Marks) With an aid of a diagram, illustrate and discuss by provision of examples the categories of operations transformation. Question 3 (10 Marks) As seen in the case above, the company aimed to define a global digital operations' strategy that would help them to be a first mover and leverage the potential of digital operations, increasing efficiency while improving customer service performance. This requires a lot of decision-making. With an aid of a diagram identify and discuss at least FIVE (5) key decision areas for Operations Managers. Find all integers x which leave remainder 4 when divided by 5 and leave remainder 7 when divided by 11 . That is, solve the following equations simultaneously: xmod5=4 and xmod11=7 Marked out of 1.00 South African Breweries (SAB) has long played a role as one of South Africa's most socially progressive and innovative enterprises. SAB understood decades ago, before the political changes in the country, that transformation and black economic empowerment (BEE) were essential for the future stability of South African. In 2009, SAB announced a Zanele BBBEEtransaction that was worth R7.3 billion and placed 8.45% of the company's shares under black ownership. QUESTION 16 The BBEEE policy, which was implemented in 2003 and published as an Act that provides legislative framework for the promotion of BEE, is a variable in the environment which is part of the environment. Select one: a. economic/macro b. institutional-governmental/macro c. economic/market d. technological/market The logo of kulula.com flights includes the slogans, "Now anyone can fly", and "You gotta love flying", which are meant to appeal to the widest possible target market. The logo of kulula.com including the slogans is a variable in the environment. Select one: a. micro b. macro c. market Christopher owns a large bicycle store and is planning his first business trip to Italy to source new suppliers. As it is his first trip abroad, he decides to make use of the travel agency that owns the space next to his store. The travel agency books his flight on Emirates airline and also books his hotel for him. The travel agency is a which is part of Emirates' environment. Select one: a. supplier; international b. agent; market c. retailer; market d. intermediary; market Marked out of 1.00 SAB'S reputation is an example of a/an of the business. Select one: a. physical resource b. organisational capability c. intangible resource d. tangible resource Drake owns an indexed annuity issued by Long Life Insurance Company. What determines the amount of interest that will be credited to his contract? (Search Chapter 2) a. the performance of Long Life's separate account investments b. increases in the Consumer Price Index c. prevailing Treasury bill rates d. the performance of an independent market index Karlik Enterprises distributes a single product whose selling price is $27 per unit and whose variable expense is $22 per unit. The company's monthly fixed expense is $24,000 Exercise 5-2 Part 2 2. Calculate the company's break-even point in unit sales. Unit sales to break even units relationships among financial statements using excels sum and basic math functions marta communications, inc. has provided incomplete financial statements for the month ended march 31. the controller has asked you to help calculate the missing amounts in the incomplete fin chegg Economic Segment 1) List the first factor in this segment that can have impact on our industry and/or related industries: 2) How would this factor affect our industry and/or related industries? Positive, negative, or more complex? Please specify. 3) What the trend of this factor in near future? Growing? Declining? Changing in structure? Or anything else? 4) Based on the trends in 3), what are the resulting changes of our industry and/or related industries 5) List the second factor that you think can affect our industry/related industries: ______Materials Pricing____ 6) Follow the order 1) to 4), outline your analysis regarding the second factor you just proposed. You can also propose several more factors following the same procedure of analysis. You can also copy and paste useful graphs and tables The equation 1+tan =sec is a trigonometric identity. Use what you know about identities to make a conjecture about this equation. Light was measured to have an energy of (6.0910 25)J. What is the wavelength (in m ) of that light wave? c=3.0010 8m/sh=6.62610 34J s1 Hz=1 s 1Always check that the units for frequency are correct before using this formula. For full credit, your answer must be: - the correct number of significant figures (should be 3) - written in correct scientific notation Note: Your answer is assumed to be reduced to the highest power possible. amount of cash flow decreases by half. Using the values of cash flows and number of periods, the valuation model is adjusted accordingly. Assume that a $1,000,000 par value, semiannual coupon US Treasury note with five years to maturity has a coupon rate of 3% The yield to maturity (YTM) of the bond is 11.00%. Using this information and ignoring the other costs involved, calculate the value of the Treas note $698,494.97 $593,720.72 $838,193.96 $440,051.83 Based on your calculations and understanding of semiannual coupon bonds, complete the following statement: Assuming that interest rates remain constant, the T-note's price is expected to Suppose your firm recoives a $4.04 milion order on the last day of the year. You fit the order with $1.99 milition worth of itventory The customer picks up the entre order the same day and pays $1.15 milsonup front in cash you also issue a bis for the customer to pay the remaining balance of $2.89 milion within 40 days Suppose your firmis tax rale is 0% (Le lignore taxes). Deternine the consequences of this transaction for each of the folowing a. Revenues d. Inventory b. Eamings e. Cash c. Recelvables a. Revemies Revenues will by 1 million (5elect from the diop-doon menu and round lo two decimal places) The slow movement of food stuff through the _____ favors the growth of microflora.