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Mathematics 4 Online
OpenStudy (anonymous):

The ratio of the volume of two spheres is 8:27. What is the ratio of the lengths of the radii of these two spheres?

OpenStudy (anonymous):

volume is proportional to r^3 8:27 :: (r1)^3: (r2)^3

OpenStudy (anonymous):

Thanks! I forgot that volume was cubed and not squared, lol!

OpenStudy (anonymous):

did you end up with 2:3 ?

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