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Molodets [167]
3 years ago
14

A cylinder has a volume of 320 cubic inches and a height of 5 inches.

Mathematics
2 answers:
expeople1 [14]3 years ago
8 0

Answer:

The radius is 8 inches

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2 h

Assuming you mean 320 pi for the volume

320  pi = pi r^2 ( 5)

320 =5pi r^2

Divide each side by 5pi

320 pi / 5pi = 5 pi r^2 / 5pi

64 = r^2

Take the square root of each side

sqrt(64) = sqrt(r^2)

8 = r

The radius is 8 inches

Sloan [31]3 years ago
3 0

Answer:

\Huge \boxed{\mathrm{4.51 \ inches}}

\rule[225]{225}{3}

Step-by-step explanation:

V=\pi r^2 h

The volume is 320 in³.

The height is 5 in.

320=\pi r^2 *  (5)

Solving for r.

Dividing both sides by 5.

64=\pi r^2

Dividing both sides by \pi.

20.371833=r^2

Taking the square root of both sides.

r= 4.513517

The radius is 4.51 inches.

\rule[225]{225}{3}

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