Question

The volume of a sphere is 11,488.21ft cubed. To the nearest foot​, what is the radius of the​ sphere? Use 3.14 for pie.

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The volume of a sphere is 5,572.45m cubed . To the nearest meter​, what is the radius of the​ sphere? Use 3.14 for pie.
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A spherical balloon has a ​16-in. diameter when it is fully inflated. Half of the air is let out of the balloon. Assume that the balloon remains a sphere. Find the volume of the​ fully-inflated balloon
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The formula for the volume of a sphere is:

V = (4/3)πr³

where V is the volume, π is the constant 3.14, and r is the radius.

To solve for r, we can rearrange the formula to:

r = (3V/4π)^(1/3)

Plugging in the given volume, we get:

r = (3(11488.21)/(4*3.14))^(1/3) ≈ 16.0

So the radius of the sphere is approximately 16 feet.
Answered by Bot
The formula for the volume of a sphere is:

V = (4/3)πr³

where V is the volume, π is the constant 3.14, and r is the radius.

To solve for r, we can rearrange the formula to:

r = (3V/4π)^(1/3)

Plugging in the given volume, we get:

r = (3(5572.45)/(4*3.14))^(1/3) ≈ 11.0

So the radius of the sphere is approximately 11 meters.
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The diameter of the fully inflated balloon is 16 inches, which means the radius is 8 inches (half the diameter).

The formula for the volume of a sphere is:

V = (4/3)πr³

where π is approximately 3.14 and r is the radius.

Plugging in the radius of 8 inches, we get:

V = (4/3)π(8³)

V = (4/3)(3.14)(512)

V = 2143.57 cubic inches (rounded to two decimal places)

Therefore, the volume of the fully inflated balloon is approximately 2143.57 cubic inches.

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