Can anyone help me with this question? please.

Can Anyone Help Me With This Question? Please.

Answers

Answer 1

The population mean is calculated as the sum of all observations in the population, divided by the number of objects in the population.

How to calculate the mean of a data-set?

The mean of a data-set is given by the sum of all observations in the data-set divided by the number of observations, which is also called the cardinality of the data-set.

Hence the population mean is calculated as the sum of all observations in the population, divided by the number of objects in the population.

Missing Information

The problem is incomplete, hence the procedure to obtain the mean of a data-set, in this case the population, is presented.

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Related Questions

HELP ASAP ASAP PLS PLS ALSO BRAINLIEST
A family recipe calls for sauce and oregano. The table below shows the parts of sauce to oregano used to make the recipe.


Servings Sauce (cups) Oregano (tsp)
4 8 one half
6


At this rate, how much sauce and oregano will be needed to make 6 servings?
The recipe will need 12 cups of sauce and three fourths teaspoons of oregano for 8 servings.
The recipe will need 12 cups of sauce and 1 teaspoon of oregano for 8 servings.
The recipe will need 10 cups of sauce and 1 teaspoon of oregano for 8 servings.
The recipe will need 10 cups of sauce and three fourths teaspoons of oregano for 8 servings.

Answers

The amounts needed to make 6 servings are given as follows:

Sauce: 12 servings.

Oregano: 3/4 teaspoons.

Here, we have,

The needed amounts to make 6 servings of the recipe are obtained applying the proportions in the context of the problem.

From the first line of the table, we get the amounts of sauce and oregano per serving are follows:

Sauce: 8/4 = 2 cups.

Oregano: 0.5/4 = 1/8 teaspoons per serving.

Hence the amounts for six servings are given as follows:

Sauce: 6 x 2 = 12 servings.

Oregano: 6 x 1/8 = 6/8 = 3/4 teaspoons.

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The radius of a circle is 12 cm. Find its area nearest whole number

Answers

Answer:

452 square centimeters.

Step-by-step explanation:

To find the area of a circle, we use the formula:

A = πr^2

Where A is the area of the circle, r is the radius, and π is a mathematical constant (approx. 3.14).

Given that the radius of the circle is 12 cm, we can substitute r = 12 in the formula:

A = π(12)^2

A = 3.14 x 144

A = 452.16

Therefore, the area of the circle is approximately 452.16 square centimeters. However, we need to round the answer to the nearest whole number.

Since the decimal part of the answer is less than 0.5, we round the answer down to the nearest whole number. Therefore, the area of the circle nearest the whole number is 452 square centimeters.

If m∡KJL = (3x +2) degrees and ∡KLJ = (7x - 32) degrees, find mKL⌢.



mKL⌢=z____ degrees

(50 POINTs will give BRAINIEST FOR EFFORT)

Answers

Answer:

angle m∠WXY intercepts the diameter WY.

Then,

m∠WXY  =  90°

(13x - 1)°  =  90°

13x - 1  =  90

Add 1 to each side.

13x  =  91

Divide each side 13.

x  =  7

Step-by-step explanation:

HOPE THIS HELPSSS

NO LINKS!! URGENT HELP PLEASE!!!!

Find the equation of square root with a vertex at (1, -5) and passes through the (5, -7).

Answers

Answer:

[tex]y = \frac{ - 1}{2} *\sqrt{x-1} - 5[/tex]

Step-by-step explanation:

The standard equation of a square root function with vertex at point (h,k) is given by:

[tex]y = a \times \sqrt{x - h} + k[/tex]

where (h,k) is the vertex and "a" is a coefficient that determines the vertical stretch and direction of the square root function.

We know that the vertex of our square root function is (1, -5), so we can substitute those values into the equation to get:

y = [tex] a*\sqrt{x-1} - 5[/tex]

Now, we need to find the value of "a". To do that, we will use the fact that the square root function passes through point (5, -7). Substituting these coordinates into the equation, we get:

[tex]-7 = a*\sqrt(5-1) - 5[/tex]

-2 = 4a

[tex]a = \frac{ - 1}{2} [/tex]

Now that we know the value of "a", we can substitute it into our equation to get the final equation of the square root function:

[tex]y = \frac{ - 1}{2} *\sqrt{x-1} - 5[/tex]

Therefore, the equation of the square root function with a vertex at (1, -5) and passing through (5, -7) is

[tex]y = \frac{ - 1}{2} *\sqrt{x-1} - 5[/tex]

Answer:

[tex]f(x) = -\sqrt{x-1} - 5[/tex]

Step-by-step explanation:

The standard form of a square root function is:

[tex]f(x)=a\sqrt{x-h}+k[/tex]

where "a" is a scaling factor determining the vertical stretch or compression of the function, and (h, k) is the vertex.

Given the vertex is (1, -5), substitute h = 1 and k = -5 into the equation:

[tex]f(x) = a\sqrt{x - 1} - 5[/tex]

Substitute the point (5, -7) that the function passes through to find the stretch factor "a":

[tex]\begin{aligned}-7 &= a \sqrt{5 - 1} - 5\\-7 &= a \sqrt{4} - 5\\-7 &= 2a - 5\\-7 +5&= 2a - 5+5\\-2&= 2a\\\dfrac{-2}{2}&=\dfrac{2a}{2}\\-1&=a\\a &= -1\end{aligned}[/tex]

Substitute the value of "a" back into the equation:

[tex]f(x) = -\sqrt{x-1} - 5[/tex]

Therefore, the equation of the square root function with a vertex at (1, -5) and passes through the point (5, -7) is:

[tex]\boxed{f(x) = -\sqrt{x-1} - 5}[/tex]

What is the midpoint of line segment Ab (-3,-5) (-1,-7)

Answers

Answer:

(-2, -6)

Step-by-step explanation:

Midpoint = (x1 + x2)/2, (y1 + y2)/2

= (-3 + -1)/2, (-5 + -7)/2

= (-4/2), (-12/2)

= (-2, -6)

Determining Slope and y-Intercept A coordinate plane with 4 lines. The first line is labeled a(x) and passes through (2, negative 4) and (0, 2) and continues past (negative 1, 5). The second line is labeled f(x) and passes through (negative 6, negative 6), (negative 3, 0), and (0, 6). The third line is labeled g(x) and passes through (negative 2, negative 7), (0, negative 3), (1, negative 1) and (2, 1). The fourth line is labeled h(x) and passes through (negative 6, negative 6), (0, negative 3), and (6, 0). When Janelle woke up, it was –3 degrees Fahrenheit outside. As the morning progressed, the temperature rose 2 degrees every hour. Which line on the graph could represent this scenario? a(x) f(x) g(x) h(x

Answers

A line on the graph which could represent this scenario is: C. g(x), the third line is labeled g(x) and passes through (negative 2, negative 7), (0, negative 3), (1, negative 1) and (2, 1).

What is the slope-intercept form?

In Mathematics and Geometry, the slope-intercept form of the equation of a straight line is given by this mathematical expression;

y = mx + c

Where:

m represents the slope or rate of change.x and y are the points.c represents the y-intercept or initial value.

Based on the information provided about Janelle when she woke up, the temperature can be modeled by this equation:

y = mx + c

y = 2x + (-3)

y = 2x - 3

Therefore, the table of values can be generated as follows;

x      y

0     -3

1       -1

2       1

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please help i need this done

Answers

The value of f(j) when

1. j = -1 is 11

2. j = 0 is 10

3. j = 1 is 11

4 . j = 2 is 14

What is a function?

A function is an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable.

For example, here j is a variable and f(j) is the function of 'j'.

f(j) = j²+10

Therefore , when j = -1

f(j) = -1)² + 10

f(j) = 1+10 = 11

When j = 0

f(j) = 0²+10

= 0+10 = 10

when j = 1

f(j) = 1²+10

= 1+10 = 11

When j= 2

f(j) = 2²+10

= 4+10

= 14

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What algebric equation can maxine use to calculate the total mass of pH powder that was sold? A,B,C,D and E.​

Answers

A) Maxine calculated the total mass of pH powder sold on day 1 by evaluating the algebraic expressions for small and large container sales.

B) If the variable s represents the number of containers sold, the value of the algebraic expression 0.75s represents the total mass of pH powder sold each day.

C) The algebraic expression to represent the mass (in kilograms) of powder sold in large containers daily is 1.25l.

D) The algebraic expression to show how Maxine calculated the total mass of pH powder sold on day 1 is 0.75s + 1.25l, which is evaluated to be 49.25 kg.

E). Using the algebraic expression, the total mass of powder sold on Day 2 and 3 is as follows:

Day 2 = 66.75 kgDay 3 = 53.0 kg.

What is an algebraic expression?

An algebraic expression is a combination of of variables and constants, together with mathematical operands (addition, subtraction, division, and multiplication, etc.).

pH Plus Power Sales

Day       # of small containers    # of large containers    Total Mass

                    (0.75 kg)                            (1.25 kg)              (Kilograms)

Day 1               14                                       31                        49.25 kg

Day 2              19                                      42                        66.75 kg

Day 3             24                                      28                        53.00 kg

Let the number of small containers sold = s

Let the number of large containers sold = l

The mass of a small container = 0.75 kg

The mass of a large container = 1.25 kg

Expressions:

Total mass of small containers sold daily  = 0.75s

Total mass of large containers sold daily = 1.25l

Total mass of small and large containers sold daily = 0.75s + 1.25l

Total Mass Sold:

Day 1 = 0.75(14) + 1.25(31) = 49.25 kg

Day 2 = 0.75(19) + 1.25(42) = 66.75 kg

Day 3 = 0.75(24) + 1.25(28) = 53.00 kg

pH Plus Power Sales

Day       # of small containers    # of large containers    Total Mass

                    (0.75 kg)                            (1.25 kg)              (Kilograms)

Day 1               14                                       31                        49.25 kg

Day 2              19                                      42

Day 3             24                                      28

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In order to estimate the average electric usage per month, a sample of 121 houses was selected and the electric usage was determined. Assume a population standard deviation of 370 kilowatt-hours. The standard error is 33.64. Find the size of the margin of error at 95% confidence.
a. 1.64
b. 1.96
c. 55.33
d. 65.93

Answers

If the standard error is 33.64, the size of the margin of error at 95% confidence is 65.93. So, correct option is D.

The margin of error (ME) can be calculated using the formula:

ME = z* (standard error)

where z is the z-score from the standard normal distribution corresponding to the desired level of confidence. For 95% confidence, z is 1.96.

Substituting the values given in the problem, we have:

ME = 1.96 * 33.64 = 65.93

Therefore, correct option is D.

This means that if we take multiple random samples of size 121 from the population, and calculate the sample mean and confidence interval for each sample, we can expect the true population mean to fall within 65.93 units above or below the sample mean, 95% of the time.

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How do we graph absolute value functions of the following type?

Answers

The steps to graph the absolute value functions are given below.

We have,

Absolute value functions of form f(x) = |ax + b| have a characteristic shape, which depends on the values of a and b.

Here are some general guidelines for graphing these functions:

Find the y-intercept:

To find the y-intercept of the graph, set x=0 and solve for y.

This gives f(0) = |b|, so the y-intercept is at the point (0,|b|).

Find the x-intercept(s):

To find the x-intercepts of the graph, set y = 0 and solve for x.

If b > 0, there are two x-intercepts: x = -b/a and x = b/a.

If b = 0, there is one x-intercept at x=0.

If b < 0, there are no x-intercepts.

Determine the direction of the graph:

If a > 0, the graph opens upwards, like a "V".

If a < 0, the graph opens downwards, like an upside-down "V".

Determine the vertex:

The vertex is the point where the graph changes direction.

If a > 0, the vertex is at (-b/a, 0).

If a < 0, the vertex is at (b/a, 0).

Sketch the graph:

Use the information above to sketch the graph of the absolute value function.

Plot the y-intercept, the x-intercept(s), and the vertex, and then draw a smooth curve connecting these points.

Thus,

The graph of the absolute value functions is given above.

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_
5
Given f(x)=x+7, if f(x) = -13, find x.
2
Helpp

Answers

Answer: -20

Step-by-step explanation: I got negative twenty because if f(x) equals negative thirteen the we add negative seven because we need to flip the sign since it is negative and when you add you get negative twenty

To check, simply solve the eqation the way it first was, for example, f(x)=-20+7 which would be correct, equaling -13

Hopefully this helped, I' sorry if i am wrong

Can someone please help me and give me the answer ASAP

Answers

1. The lateral surface area of the prism is 200 units²

2. The lateral surface area of the cylinder is 125.6 cm²

What is lateral surface area?

The lateral surface area is the area of the lateral surface.

The lateral surface area of a prism is expressed as;

LSA = (a+b+c)h

or perimeter of the base × height

LSA = (6+12+7)8

= 25 × 8

= 200 units²

The lateral surface area of a cylinder

= 2πrh

r = 4cm and h = 5cm

LSA = 2 × 3.14 × 4 × 5

LSA = 40 × 3.14

= 125.6cm²

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Consider triangle ABC.
B
yᵒ
80
A
What is the value of y in the triangle?
Angle y=

Answers

By the theorem of triangles, the calculated value of y in the triangle ABC is 50 degrees

Calculating the required value of y in the triangle?

From the question, we have the following parameters that can be used in our computation:

The triangle ABC

Also, the angles in the triangle are given as y, y and 80 degrees

By the theorem of triangles, the sum of angles in a triangle is 180 degrees

Representing the above statement as an equation, we have

y + y + 80 = 180

Evaluate

y = 50

So, we can conclude that the value of y is 50 degrees

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Cual es el volumen, en cm cúbicos, de un prisma rectangular con una altura de 3 cm, un ancho de 2 cm y una longitud de 18 cm ?

Answers

hola :)

El volumen de un prisma rectangular se calcula multiplicando la altura por el ancho y por la longitud. En este caso, el volumen sería:

Volumen = 3 cm x 2 cm x 18 cm = 108 cm³

Por lo tanto, el volumen del prisma rectangular es de 108 cm³.

Answer:

El volumen en cm cúbicos es 108 cm cúbicos (o a la tercera potencia). La fórmula utilizada para encontrar el volumen es largo por ancho por alto.

An executive for a large company received gross pay of $200,000 for the year 2018. Determine the total amount of FICA tax that was paid on behalf of the employee. Round your answer to the nearest cent. Do NOT round until you calculate the final answer.

Answers

The total amount of FICA tax that was deducted from the executive's paychecks for the year 2018 is $10,860.80.

What is the total amount of FICA tax?

The FICA tax is imposed on both employees and employers to fund Social Security and Medicare which are federal programs that provide benefits for retirees, the disabled and children of deceased workers.

The Social Security tax will be calculated on the maximum taxable earnings of $128,400:

= $128,400 x 6.2%

= $7,961.20

The Medicare tax will be calculated on the entire earnings:

= $200,000 x 1.45%

= $2,900.

The total FICA tax will be:

= Social Security tax + Medicare tax

= $7,960.80 + $2,900

= $10,860.80.

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The number of home runs a baseball player earned each season in his career are listed. 10, 14, 20, 25, 29, 30, 30, 31, 32, 35, 39, 40 Which of the following box plots best represents the data given? A box plot uses a number line from 6 to 45 with tick marks every one unit. The box extends from 20.5 to 38 on the number line. A line in the box is at 32. The lines outside the box end at 11 and 43. The graph is titled Career Home Runs and the line is labeled Number of Home Runs. A box plot uses a number line from 10 to 49 with tick marks every one unit. The box extends from 20.5 to 32 on the number line. A line in the box is at 30. The lines outside the box end at 12 and 46. The graph is titled Career Home Runs and the line is labeled Number of Home Runs. A box plot uses a number line from 7 to 46 with tick marks every one unit. The box extends from 22.5 to 33.5 on the number line. A line in the box is at 30. The lines outside the box end at 10 and 40. The graph is titled Career Home Runs and the line is labeled Number of Home Runs. A box plot uses a number line from 6 to 45 with tick marks every one unit. The box extends from 23.5 to 36 on the number line. A line in the box is at 30. The lines outside the box end at 9 and 39. The graph is titled Career Home Runs and the line is labeled Number of Home Runs.

Answers

The correct box plot is

A box plot uses a number line from 7 to 46 with tick marks every one unit. The box extends from 22.5 to 33.5 on the number line. A line in the box is at 30. The lines outside the box end at 10 and 40.

We have the data:

10, 14, 20, 25, 29, 30, 30, 31, 32, 35, 39, 40 .

So, First Quartile(Q1) = ((n + 1)/4)th Term.

= (12+1)/4

= 13/4

= 3.25 th term

=  (20+25)/2

= 22.5

and, Second Quartile or median (Q2) = ((n + 1)/2)th Term.

Q₂ = ((12 + 1)/2)th term

   = 6.5th term

   = 30

and, Third Quartile(Q3) = (3(n + 1)/4)th Term.

Q₃ =3 (3.25)

    = 9.75

   = 33.5

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Johns piggy bank contained $7.40 in nickels and pennies. If there were 80 more pennies than nickels, how many of each coin
does he have?

Answers

There are 190 pennies and 110 nickels.

To solve this problem

Let's begin by giving the unknown quantities variables. y is the quantity, in cents.

Let x represent the quantity of nickels and y represent the quantity of pennies.

The issue reveals that the combined worth of the coins is $7.40. The following equation can be written since a nickel is worth $0.05 and a penny is worth $0.01:

0.05x + 0.01y = 7.40.

The fact that there are 80 more pennies than nickels is also known. You can write this as

y = x + 80.

Now we can use substitution to solve for x:

0.05x + 0.01(x + 80) = 7.40

0.05x + 0.01x + 0.80 = 7.40

0.06x = 6.60

x = 110

There are 110 nickels in total. The second equation can be used to calculate the amount of pennies:

y = x + 80 = 110 + 80 = 190

Therefore, there are 190 pennies and 110 nickels.

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The number of chocolate chips in an​ 18-ounce bag of chocolate chip cookies is approximately normally distributed with mean 1252 and standard deviation 129 chips. ​(a) What is the probability that a randomly selected bag contains between 1000 and 1400 chocolate​ chips? ​(b) What is the probability that a randomly selected bag contains fewer than 1050 chocolate​ chips? ​(c) What proportion of bags contains more than 1175 chocolate​ chips? ​(d) What is the percentile rank of a bag that contains 1050 chocolate​ chips?

Answers

The probability that a randomly selected bag contains fewer than 1050 chocolate​ chips is 0.84.

(a) The probability of a randomly selected bag containing between 1000 and 1400 chips is 0.75.

This is calculated using the standard normal distribution formula:

P(1000 < X < 1400)

= P(z < (1400-1252)/129) - P(z < (1000-1252)/129)

= 0.75

(b) The probability of a randomly selected bag containing fewer than 1050 chips is 0.26.

This is calculated using the standard normal distribution formula:

P(X < 1050) = P(z < (1050-1252)/129)

= 0.26

(c) The proportion of bags containing more than 1175 chips is 0.84.

This is calculated using the standard normal distribution formula:

P(X > 1175) = P(z > (1175-1252)/129)

= 0.84

(d) The percentile rank of a bag containing 1050 chips is 26%.

This is calculated using the standard normal distribution formula:

P(X < 1050) = P(z < (1050-1252)/129)

= 0.26

Therefore, the probability that a randomly selected bag contains fewer than 1050 chocolate​ chips is 0.84.

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The base of a rectangular prism is 20 cm 2 . If the height of the prism is 5 cm, what is its volume

Answers

The volume of a rectangular prism would be 100 cubic cm.

Since we know that rectangular prism is a three-dimensional shape that has two at the top and bottom and four are lateral faces.

The volume of a rectangular prism=Length X Width X Height

We are given that base of a rectangular prism is 20 cm sq. . If the height of the prism is 5 cm, then;

Base area = 20 cm sq.

Height = 5 cm

Volume of a rectangular prism=Length X Width X Height

Volume of a rectangular prism= Base area  X Height

Volume of a rectangular prism= 20 x 5

= 100

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Can someone help me with this maths questions

Answers

The solution is, the value of the angle & x is:

x = 43

43°, 51°, 86°

We have,

The sum of the angles is ...

 x° + (x +8)° + 2x° = 180°

 4x +8 = 180 . . . . . . . . . . . collect terms, divide by °

 x +2 = 45 . . . . . . . . . . divide by 4

 x = 43 . . . . . . . . . . subtract 2

 x +8 = 51

 2x = 86

The angles are 43°, 51°, 86°.

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complete question:

The sum of the angle measures of a triangle is 180°. Find the value of x. Then find the angle measures of the triangle.

Exercise 1: Identify each triangle based on sides. (Equilateral, Isosceles or Scalene).

Answers

The triangles are classified according to their sides as:

1. equilateral 2. Scalene   3. and 4. Isosceles   5. equilateral     6. and 7. scalene triangle.      8. Isosceles   9. and 10. Equilateral

How to Identify Triangles based on their Sides?

Recall the following:

A triangle is equilateral if all three sides are equal.

It is isosceles if it has two equal sides.

A triangle is scalene if all three sides are of different lengths.

1. The triangle is equilateral because all sides are equal.

2. Scalene

3. and 4. Isosceles (two sides are equal)

5. All sides are equal, so it is an equilateral triangle.

6. and 7. The three sides have different lengths, therefore, it is a scalene triangle.

8. Isosceles

9. and 10. Equilateral

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If RS = ST 81, QR = v + 33, and QT = 3v 19, what is QT

Answers

The requried measure of the side QT in triangle SQT is 59 units.

A figure is shown with two triangles, SQT and SQR.

Since in the question we are given to RS = ST 81, QR = v + 33, and QT = 3v 19,

As RS = St and SQ is a common side both the triangle are congruent, QT = QR

v + 33 = 3v - 19
52 = 2v
v = 26

Now,
QT = 3(26) - 19
QT = 59

Thus, the requried measure of the side QT in triangle SQT is 59 units.

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The coordinates of the point � G are ( 0 , 8 ) (0,8) and the coordinates of point � H are ( 8 , 8 ) . (8,8). What is the distance, in units, between the point � G and point � ? H?

Answers

The distance between the points G and H is D = 8 units

Given data ,

Let the distance between 2 points be represented as D

Now , let the first point be G ( 0 , 8 )

Let the second point be H ( 8 , 8 )

Now , let the distance between G and H be D , where

D = √( ( x₂ – x₁ )² + ( y₂ – y₁ )²)

D = √ ( 0 - 8 )² + ( 8 - 8 )²

D = √64 units

D = 8 units

Hence , the distance is 8 units

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An oil company has a cylindrical drum with a capacity of 806 cubic yards. To construct this drum, the
cost of material for the top of the drum is $2 per square yard, $2 per square yard for the bottom of
the drum, and $17 per square yard for the side wall of the drum. What dimensions must this
cylindrical drum have to be constructed at minimum cost?

Answers

The measurements of the cylindrical (round and hollow) drum that minimize the fetched of development are roughly 10.19 yards by 2.46 yards.

How to Solve the Problem?

Let's expect that the round and hollow drum includes a stature of h and a span of r.

The volume of a barrel is given by: V = πr^2h.

We know that the drum includes a capacity of 806 cubic yards, so able to compose:

πr^2h = 806

We need to play down the taken a toll of building the drum, which is given by the entirety of the fetched of the beat, foot, and side divider.

The zone of the beat and foot of the drum is given by: A = πr^2.

The fetched of fabric for the beat and foot is $2 per square yard, so the taken a toll of the best and foot is:

C_topbottom = 2A = 2πr^2

The cost of fabric for the side divider is $17 per square yard, and the region of the side divider is given by:

A_side = 2πrh

The whole fetched of building the drum is in this manner:

C = C_topbottom + C_side = 2πr^2 + 17(2πrh) = 2πr^2 + 34πrh

Presently we are able utilize the condition for the volume of the drum to kill h from the fetched condition:

h = 806/(πr^2)

Substituting this expression for h into the taken a toll condition, we get:

C = 2πr^2 + 34πr(806/(πr^2)) = 2πr^2 + 27404/r

To discover the least fetched, we got to take the subordinate of the fetched condition with regard to r and set it rise to to zero:

dC/dr = 4πr - 27404/r^2 =

Fathoming for r, we get:

r = (27404/(4π))^(1/3) ≈ 10.19 yards

Substituting this esteem of r back into the expression for h, we get:

h = 806/(π(10.19)^2) ≈ 2.46 yards

Hence, the measurements of the round and hollow drum that minimize the fetched of development are roughly:

Span: 10.19 yards

Stature: 2.46 yards

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2. Determine the area of t he parallelogram. 3.7 m 12 m Formula: Plug in Values: Area: ​

Answers

The equivalent area of the parallelogram is 44.4m^2

The area of a parallelogram

The formula for finding the area of a parallelogram is expressed as:

Area = base * height

Given the following parameters

Base = 12m

Height = 3.7m

Substitute the given parameters into the formula to have:

Area = 12m * 3.7m

Area of the parallelogram = 44.4m^2

Hence the area of the parallelogram given is 44.4m^2

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find 5.79 x 3.3.Then, use an estimate to check for reasonableness.

Answers

5.79 x 3.3 = 19.107

An estimate for 5.79 x 3.3 can be obtained by rounding the factors to 6 and 3, respectively, and multiplying them to obtain 18. Since the actual product is greater than 18, it is reasonable to conclude that the result of 5.79 x 3.3 is reasonable.

The ratio of two numbers is 1 to 3 and the sum of their squares is 250. Find the numbers.

Answers

Answer:

Step-by-step explanation:

5 and 15

5^2=25

15^2=225

225+25=250

Answer is below ⬇️.

Answers

We can see here that filling up the remaining spaces:

AB ≅ CD: Opposite sides are congruent.

∠ABC and ∠BCD are supplementary: Consecutive angles are supplementary.

What is an angle?

An angle is actually known to be a geometric figure that is formed by the joining together of two rays or endpoints which are known as vertex.

The sides or legs of the angle are known to be make up the rays.

Angles are actually known to be measured in degrees, with a full circle containing 360 degrees.

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The difference in length of a spring on a pogo stick from its non-compressed length when a teenager is jumping on it after θ seconds can be described by the function f of theta equals 2 times sine theta plus radical 2 period

Part A: Determine all values where the pogo stick's spring will be equal to its non-compressed length. (5 points)

Part B: If the angle was doubled, that is θ became 2θ, what are the solutions in the interval [0, 2π)? How do these compare to the original function? (5 points)

Part C: A toddler is jumping on another pogo stick whose length of its spring can be represented by the function g of theta equals 1 minus cosine squared theta plus radical 2 period At what times are the springs from the original pogo stick and the toddler's pogo stick lengths equal? (5 points)

Answers

The values of θ for different conditions were calculated with the help of trigonometric functions.

Given that;

The difference in length of a spring on a pogo stick from its non-compressed length when a teenager is jumping on it after θ seconds can be described by the function,

f (θ) = 2 sin θ + √ 2

Hence, We can simplify as;

A) Function is,

f (θ) = 2 sin θ + √ 2

f (θ) = 2 sin θ + √ 2 = 0

2 sin θ + √ 2 = 0

2 sin θ = -  √ 2

sin θ = - 1/√2

θ = nπ ± π/4

Where, n = 1, 3, 5, 7, ...

So, At θ = nπ ± π/4 pogo stick's spring will be equal to its non compressed length.

2) If the angle was doubled, the function will look like this,

f (θ) = 2 sin 2θ + √ 2

f (θ) = 2 sin 2θ + √ 2 = 0

2 sin 2θ + √ 2 = 0

2 sin 2θ = -  √ 2

sin 2θ = - 1/√2

θ = nπ/2 + π/8

Where, n = 1, 3, 5, 7, ...

n = 1;

θ = π/2 + π/8

θ = 5π/8

n = 2;

θ = π + π//8

θ = 9π/8

Hence, Solutions are, 5π/8, 9π/8, ...

3) g (θ) = 1 - cos²θ + √2

g (θ) = sin²θ + √2

sin²θ + √2 = 2 sinθ + √2

sin²θ - 2 sinθ= 0

sinθ (sinθ - 2) = 0

sinθ = 0

θ = nπ

Where, n = 1, 3, 5, 7, ..

So, θ = nπ , the lengths of springs from the original pogo stick and the toddler's pogo stick are equal.

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Jada is designing a study to determine whether mold grows faster in tap water or bottled water. To do this she compares growth rate of mold growing in a glass of tap water to the growth rate of mold growing in a glass of bottled water.
What type of study is Jada designing?
How could her design be improved to collect date that would be better for answering question of interest?

Answers

Jada is directing a comparative analysis to identify whether mold thrives faster in tap water or bottled water.

How to improve her design

To upgrade her design and procure data that would be more viable for addressing the question of interest, Jada might reflect on the following:

Randomized Controlled Trial (RCT): Preferably of just contrasting the rate of growth of mold in tap water versus bottled water in a glass, Jada could arbitrarily allote separate glasses to either tap water or bottled water categories.

Replicates and Sample Size: Jada may utilize several copies for each type of water to escalate the probabilistic force of her study.

Control Group: Jada should integrate a control group in her study, where no water is integrated into the glass.

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