The circumference of the Earth model at the Globe Arena is 56.52 centimeters. What is
the volume of the Earth model?

A. 9156.24 cubic cm
B. 339.12 cubic cm
C. 3052.08 cubic cm
D. 1017.36 cubic cm

Answers

Answer 1

Answer:

3052 cm^3 (Answer C)

Step-by-step explanation:

The formula for the circumference of a circle of radius r is C = 2(pi)(r).  We know that C = 56.52 cm and want to find the model's radius:

                                       C                                                56.52 cm

Solving for r, we get ----------   so that in this case   r = ------------------  or

                                      2(pi)                                                 6.28

r = 9 cm.

The formula for the volume of a sphere of radius r is V = (4/3)(pi)(r^3), which here comes out to:

V = (4/3)(3.14)(9 cm)^3 = 3052 cm^3 (Answer C)


Related Questions

45 is 3/4 of what number?

Answers

Answer:

See below, please.

Step-by-step explanation:

[tex]45 \div ( \frac{3}{4} ) = 60[/tex]

Hence, the number is 60.

Answer:

60

Step-by-step explanation:

¾ of X is 45

what is X!???

4/3×45 = 60

ok ok ok ok ok ok ok ok ok

Answers

Answer:

[tex]x + 1350 \geqslant 1800[/tex]

Step-by-step explanation:

[tex]x + 1350 \geqslant 1800 \\ \\ x = 450 \\ \\ 450 + 1350 \geqslant 1800 \\ \\ 1800 \geqslant 1800 \\ \\ x + 1350 \geqslant 1800 \: (ans)[/tex]

Answer:

The second option is correct.

Step-by-step explanation:

What fraction is missing from the
following equation?
1 -
1-
-
=
+
8
moo
(A)
(В)
+ Amloom-00100
(D.
oloo

Answers

First, we make the denominators of 1/4 and 3/8 the same as the LCM (= 8)

-> 1/4 = 1 x 2 / 4 x 2 = 2/8
-> 1 - ... = 2/8 + 3/8 = 5/8

The missing fraction = 1 - 5/8 = 3/8.

Will give brainliest!!

Can someone please explain how i do problems like these my teacher makes no sense

Select the correct answer.
Which expression is equivalent to the given expression?
(12g^2h^7)(3g–^2h-4)

A. 36gh^3

B. 36h^3

C. 36/g^4h^28

D. 38/h^3

Answers

Answer:

C

Step-by-step explanation:

Answer:

its C

Step-by-step explanation:

If you place a 32-foot ladder against the top of a 23-foot building, how many feet will the bottom of the ladder be from the bottom of the building? Round to the nearest tenth of a foot.

Answers

Answer:

22.2 feet

Step-by-step explanation:

Treat the ladder, building, and the ground between the bottom of the ladder and the building as the legs of a right triangle.

Then, you can use the Pythagorean Theorem.

X^2 + Y^2 = Z^2

The ladder is the "diagonal" side, so it is the hypotenuse, Z.

It doesn't particularly matter whether the building is X or Y; the end result will be the same.

Therefore:

(23)^2 + Y^2 = (32)^2

Y^2 = (1024 - 529) = 495

Y = 22.249; rounded to the nearest tenth, 22.2 feet

I hope this helped! :)

Find the of X if triangle DBE ~ triangle ABC. please show work

Answers

Answer:

X= 7 units

Step-by-step explanation:

since the triangles are similar the ratio. of their common sides will be equal so,

BE/BD= BC/BA

(4X-8)/18= 45/22.5

4X -8 = 18×2

4X= 36-8

X= 28/4

X= 7

BD/AB=BE/BC18/18+22.5=4x-8/4518/40.5=4x-8/4540.5(4x-8)=8104x-8=204x=28x=7

Researchers use the visual cliff experiment to determine whether _____ is innate or learned in infants

Answers

Researchers use the visual cliff experiment to determine whether depth perception is innate or learned in infants

The correct phrase to fill the blank space is; depth perception

What is the purpose of the visual cliff experiment?

The visual cliff experiment is used to test depth perception in babies, by

using an apparent cliff.

The experiment can be used to verify if the perception of depth is an

innate capability or a learned response.

The completed statement is therefore;

Researchers use the visual cliff experiment to determine whether depth perception is innate or learned in infants.

The phrase that completes the statement is depth perception

Learn more about experiments here:

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1.5.5 Practice: Modeling: Best Ticket Deal
Mathematics || Sem 1
Points Possible: 20

Does anybody have this?

Answers

The best ticket deal are illustrations of linear equations

The ticket system is a better deal to the max ticket

How to determine the best ticket deal

From the complete question, we have the following summary:

Ticket System

Charges = $22 per person

Surcharge = $10 per transaction

Max Tickets

Charges = $20 per person

Surcharge = $16 per transaction

Assume there would be only one transaction, the linear equations that represent the ticket deals are:

Ticket System: y = 22x + 10

Max Ticket: y = 20x + 16

The costs of ticket for two people in both deals are:

Ticket System: y = 22*2 + 10 = 54

Max Ticket: y = 20*2 + 16 = 56

By comparison;

54 is less than 56

This means that the ticket system is a better deal to the max ticket

Read more about linear equations at:

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Mark bought a jewelry box in the shape of a cube. The jewelry box has edge lengths of 6 inches. What is the surface area of the jewelry box?

Answers

Answer:

6*6*6=216

Step-by-step explanation:

To find length you use length*width*height

Since it is a cube are the side are equal to 6

To solve you can do   6*6*6 or 6^3 to get you to your answer which is 216

help find x for this question

Answers

sooooo x=3 because first you need to cancel out two on the left side and what you do to one side you do to the other so you add two to 52 now you’re left with 18x=54 so now you must divide 18 on both sides to get x by itself and then you’re left with 3 :)

Use the distance formula to classify each triangle as Scalene, Isosceles, or Equilateral.
△ABC with vertices A (-2,-2), B (4,3), C (3,4)

Please show how to solve

Answers

Answer:

3 because we'll I don't know

12x+34>140 solve for x

Answers

Answer:

x>

.

x>\frac{53}{6}

Step-by-step explanation:

12x>140−34

2 Simplify 140-34140−34 to 106106.

12x>106

12x>106

3 Divide both sides by 1212.

x>\frac{106}{12}

Determine the largest integer value of x x in the solution of the following inequality. 5x+6<     19

Answers

Answer:

2

Step-by-step explanation:

First, let's solve the inequality.

Step 1: Subtract 6 from both sides.

[tex]5x+6-6 < 19-6[/tex] [tex]5x < 13[/tex]

Step 2: Divide both sides by 5.

[tex]5x/5 < 13/5[/tex] [tex]x < 2.6[/tex]

Now that we know x has to be less than 2.6, we can easily assume the largest integer value that satisfies the inequality is when x = 2

Emma wants to estimate the percentage of people who use public transportation in a city. She surveys 140 individuals and finds that 62 use public transportation.

Find the confidence interval for the population proportion with a 99% confidence level.

Answers

Answer:

X=100 number of individuals who use public transportation

n =140 number of people surveyed

The estimated proportion is given by:

And that represent 71.4%

Step-by-step explanation:

3. Considering the following two-way frequency table:
What percentage of students picked math as their favorite subject?

41%

59%

18%

100%

Answers

Answer:

41%

Step-by-step explanation:

It is 41% because it says 0.41 people like math and converting decimals to percents it would be 41% because 0.41 is decimal form for 41%

But don't forget to add my vote for favorite subject is ma ma ama ma ma ma ma ma ma ma ma math.

Hope it helps have a great afternoon:)

12. Find the perimeter of the isosceles triangle. ​

Answers

Answer:

Step-by-step explanation:

First find the length of the two equal sides. Use Pythagoras.

c^2 = a^2 + b^2

c = ?

a = 7

b = 1/2 48 = 24

c^2 = 24^2 + 7^2

c^2 = 576 + 49

c^2 = 625                Take the square root of 625

√c^2 = √625

c = 25

Both of the equal sides = 25

Perimeter and answer = 25 + 25 + 48 = 98

Answer: 25 + 25 + 48 = 98

Step-by-step explanation:

The age of the father is 42 and the age of the son is 9. At what age, will the father be twice old as the son?

(Solve by equation system.)

Answers

Answer:

24

Step-by-step explanation:

42 + x = 2 (9 +x) (solve for x)

42 + x = 18 + 2x

42 -18 = 2x -x

24 = x

42 + 24 = 66

9 + 24 = 33

When the man turns 66, his son will be 33, or half his age.

Jesse drives his snowmobile 24 miles in 3 hours? What is Jesse's speed in miles per hour?​

Answers

Answer:

8

Step-by-step explanation:

24 divided by 3 = 8

Explain what the point (5, 7.5) represents in this situation.

Answers

Answer:

what situation

Step-by-step explanation:

Add a photo what situation are you talking about

Alexa is ordering a taxi from an online taxi service. The taxi charges $4 just for the pickup and then an additional $1.25 per mile driven. How much would a taxi ride cost if Alexa is riding for 9 miles? How much would a taxi ride cost that is mm miles long? what is the eaquation for m miles

Answers

Answer:

Alex's ride is $15.25

The equation to find this is

1.25m + 4 = cost

m = miles traveled

Consider this equation,

cos(0) = 4/41

If 0 is an angle in quadrant IV, what is the value of sin(0)

Answers

take a peek at your Unit Circle, let's notice that in Quadrant IV the cosine is positive and the sine is negative, or namely the adjacent side is positive and the opposite side is negative, so hmmm

[tex]cos(\theta )=\cfrac{\stackrel{adjacent}{4}}{\underset{hypotenuse}{41}}\qquad \impliedby \textit{let's find the \underline{opposite side}} \\\\\\ \textit{using the pythagorean theorem} \\\\ c^2=a^2+b^2\implies \sqrt{c^2-a^2}=b \qquad \begin{cases} c=hypotenuse\\ a=adjacent\\ b=opposite\\ \end{cases}[/tex]

[tex]\pm\sqrt{41^2-4^2}=b\implies \pm\sqrt{1665}=b\implies \pm 3\sqrt{185}=b\implies \stackrel{IV~Quadrant}{-3\sqrt{185}=b} \\\\[-0.35em] ~\dotfill\\\\ ~\hfill sin(\theta )=\cfrac{\stackrel{opposite}{-3\sqrt{185}}}{\underset{hypotenuse}{41}}~\hfill[/tex]

Triangle ABC and triangle DEF are similar.

Which proportion must be true?

Answers

Answer:

G is the true proportion in ∆ABC and ∆DEF

Answer:

G, 4/6 = x/7

Step-by-step explanation:

This is because the two pairs x/7 and 4/6, are corresponding to each other and are formatted in the right order.

When finding the margin of error for the mean of a normally distributed population from a sample, what is alpha, assuming a confidence level of 74%? 0.13 0.26 0.74 0.87

Answers

The margin of error when the confidence level of 74% is 0.26. Then the correct option is B.

What is the margin of error?

The probability or the chances of error while choosing or calculating a sample in a survey is called the margin of error.

The mean of a normally distributed population from a sample.

The confidence level of 74%.

Then the margin of error is given as

Margin of error = 1 – α

Margin of error = 1 – 0.74

Margin of error = 0.26

The margin of error when the confidence level of 74% is 0.26. Then the correct option is B.

More about the margin of error link is given below.

https://brainly.com/question/6979326

Answer:

0.26 or B

Step-by-step explanation:


These tables represent a quadratic function with a vertex at (0, -1). What is the average rate of change for the interval from x = 9 to x = 10?

A. -19
B. -2
C. -101
D. -82

Answers

Answer:

B.–2

Step-by-step explanation:

HOPE IT'S HELP THANK YOU FOR THE REST OF YOUR LIFE

Mrs. Worthington purchased single slices of pizza for 24 students. The cost for 24 slices of pizza is $25.65. What is the cost for one slice of pizza? ______


Complete the chart.

Answers

Answer:

Step-by-step explanation:

I am not sure how much to answer. I'll confine myself to the written question.

Equation

24 students 1 0iece  of pizza each = 25.65

 1 piece of pizza = x

Set up a proportion

24 students are given 24 pieces of pizza -- Cost 25.65

1 student 1 piece of pizza = x

Solution

24 / 1 = 25.65/x               Cross Multiply

24x = 1 * 25.65                Divide both sides by 24

24x/24 = 25.65/24

x  = 1.07 / slice.

find the quadratic equation given that the roots are 4 and 7​

Answers

Answer: {−4,7} is y=x2−3x−28 y = x 2 - 3 x - 28 .

Step-by-step explanation: so all ways do y and x first

how do you graph the solution of an inequality? ​

Answers

Answer:

1. rearrange the equation and transform it into y=mx+b format.

2. Plot y-intercept on the graph for one the equations

3. Graph second equation by using b, or y-intercept

4. Shade above or below the graph, depending on what inequality symbol is used to represent each equation.

Step-by-step explanation:

In the answer above, hope it helps!
Have a great day :)

On a piece of paper, use a protractor to construct a triangle with angle measures of 60° and 80°
Which statements about this triangle are true?
Select all correct answers.
All sides have different lengths.
The third angle measures 100°
The third angle measures 40°.
It is an acute triangle.
Two sides have the same length
It is an obtuse triangle

Answers

Answer:

Step-by-step explanation:

The correct statements about the given triangle are : All sides have different lengths, The third angle measures 40°, It is an acute triangle.

What is a triangle?

A polygon with three vertices, angles and sides is called a triangle.

Given is a triangle with angle measures of 60° and 80°,

We need to choose the correct statement from the given options,

Calculating the 3rd angle, let its measure be x,

60° + 80° + x = 180°

x = 40°

Since, all the angles are different therefore, the sides will also be different,

Also, all the angles are less than 90°, therefore, the triangle is an acute triangle,

Hence, the correct statements about the given triangle are : All sides have different lengths, The third angle measures 40°, It is an acute triangle.

Learn more about triangles, click;

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What is the value of p?

Answers

Answer:

p = 12 °

Step-by-step explanation:

p + ( p + 6 ) = p + 41

2p + p = 41 - 6

3p = 35

3p/3 = 35/3

p = 11.6

p = 12 °

Write a paragraph about student activism

Answers

Student activism or campus activism is work by students to cause political, environmental, economic, or social change. Although often focused on schools, curriculum, and educational funding, student groups have influenced greater political events.
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