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How many cubic inches of material do you need to make a solid rubber ball with a diameter of3 in.?

2007-06-11 07:25:42 · 2 answers · asked by dalia 1 in Science & Mathematics ➔ Mathematics

2 answers

V = (4/3)(pi)r^3

V = (4/3)(pi)(3/2)^3

V = (9/2)pi

2007-06-11 07:32:45 · answer #1 · answered by T 5 · 0⤊ 0⤋

Volume of a sphere = 4/3 * pi * r^3

4/3 * pi * 3^3 = 12pi

2007-06-11 07:29:29 · answer #2 · answered by TychaBrahe 7 · 1⤊ 0⤋

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