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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?
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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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