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OpenStudy (anonymous):
The length of the diameter of a sphere with a volume of 321.57 miles3 is 4.25 miles. i dont understd is true or false :S
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OpenStudy (anonymous):
help me out plss
OpenStudy (anonymous):
use this formula \[V=(4/3)\Pi r ^{3} \]
OpenStudy (anonymous):
now put in the volume and solve for r. see if the r matches to the r you are given.
OpenStudy (anonymous):
note the equation is for the volume of a sphere
OpenStudy (anonymous):
whats is the diameter of a sphere ?
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OpenStudy (anonymous):
diameter is 2*radius
OpenStudy (anonymous):
so find radius and multiply by two to see if it matches up to the diameter
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