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How many cubic inches of material do you need to make a solid rubber ball with a diameter of 3 in.? Round your answer to two decimal places. A. 19.27 cu in. B. 4.71 cu in. C. 1.77 cu in. D. 14.14 cu in.
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How many cubic inches of material do you need to make a solid rubber ball with a diameter of 3 in.? Round your answer to two decimal places.

A. 19.27 cu in.
B. 4.71 cu in.
C. 1.77 cu in.
D. 14.14 cu in.

User Nathaneastwood
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6.7k points

1 Answer

4 votes
The answer would be 14.14 cu inches. To arrive at this answer, use the formula 4 x pi x r3/3 where r3 is the radius cubed and pi is 3.14. Since the diameter is 3 then the radius is 1.5 inches and the r3 is 3.375. So then 4 x 3.14 x3.375/3 = 14.14.
User SuddenHead
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