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The volume of a sphere is 3,052.08 units cubed. What is its diameter?

A) 18 units

B) 20 units

C) 31 units

D) 47 units

pwolfey  Nov 2, 2017
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 #1
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 3,052.08 = (4/3) pi (r)^3

 

cube root ( [  3,052.08 / pi ] * (3/4) )  = r = 9

 

So.....diameter = 2r  = 18 units

 

 

cool cool cool

CPhill  Nov 3, 2017

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