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jeyben [28]
3 years ago
7

What is the volume of the figure below

Mathematics
1 answer:
Over [174]3 years ago
8 0
Please send a picture of the figure
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The diameter of a basketball is approximately 9.5 inches and the diameter of a tennis ball is approximately 2.5 inches .The volu
agasfer [191]

Answer:

The correct answer is the basket ball is 54.87 times bigger in volume than the tennis ball.

Step-by-step explanation:

The diameter of a basketball is approximately given to be 9.5 inches.

The radius of the basket ball is given by \frac{9.5}{2} = 4.75 inches.

The volume of the basket ball is given by = \frac{4}{3} × π × radius^{3} = 449.1012 cubic inches.

The diameter of a tennis ball is approximately given to be 2.5 inches.

The radius of the tennis ball is \frac{2.5}{2} = 1.25 inches.

The volume of the tennis ball is given by = \frac{4}{3} × π × radius^{3} = 8.1845 cubic inches.

Ratio between the volume of the basketball and tennis is given by \frac{449.1011}{8.1845} = 54.87.

Thus the volume of the basket ball is 54.87 times greater than the volume of the tennis ball.

3 0
3 years ago
Solve using gaussian elimination and show ur work
jarptica [38.1K]

Add the last two equations to eliminate <em>x</em> :

(<em>x</em> - 2<em>y</em> - 3<em>z</em>) + (- <em>x</em> + <em>y</em> + 2<em>z</em>) = 0 + 3

- <em>y</em> - <em>z</em> = 3

<em>y</em> + <em>z</em> = -3

Subtract this from the first equation to eliminate <em>z</em>, then solve for <em>y</em> :

(2<em>y</em> + <em>z</em>) - (<em>y</em> + <em>z</em>) = -8 - (-3)

<em>y</em> = -5

Plug this into the first equation to solve for <em>z</em> :

2(-5) + <em>z</em> = -8

<em>z</em> = 2

Plug both of these into either the second or third equations to solve for <em>x</em> :

<em>x</em> - 2(-5) - 3(2) = 0

<em>x</em> = -4

7 0
3 years ago
-2(5p – 3) = 26<br> Explain your answer.<br> 30 points.
otez555 [7]
The answer would be p= -2

To check it:
-2(5(-2) - 3) = 26
-2(-10-3) = 26
-2(-13) = 26
26 = 26

4 0
3 years ago
a family pays 45 dollars each month for cable television.the cost increase 7 percent.how many dollars is the increase?
sineoko [7]
7% of $45:
              = 0.07 * 45
              = 3.15
Increase = $3.15
8 0
3 years ago
Aaron says that all
Softa [21]

Answer:

NO

Step-by-step explanation:

Look at the figure attached below, we know that the area of the cone is the sum of area of circle part and cone part of the figure.

to find the surface area of the cone, first measure the radius of the base and find the area of the circle part by  formula \pi r^2. Then measure the side (slant height) length of the cone part and find the area of the cone part by the formula \pi rl.

Now the surface area of the cone is circumference of the circle plus area of the cone part.

i.e. surface\ Area\ of\ the\ cone=\pi r^{2}+\pi rl

From the above discussion we concluded that surface area of the cone does not depend only on the circumference of the base but also we need side length of the cone part as well thus <em>all  cones with a base circumference of 8 inches  will </em><em>not </em><em>have the same surface area.</em>

<em />

5 0
3 years ago
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