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

5 years ago
OpenStudy (anonymous):

help me out plss

5 years ago
OpenStudy (anonymous):

use this formula \[V=(4/3)\Pi r ^{3} \]

5 years ago
OpenStudy (anonymous):

now put in the volume and solve for r. see if the r matches to the r you are given.

5 years ago
OpenStudy (anonymous):

note the equation is for the volume of a sphere

5 years ago
OpenStudy (anonymous):

whats is the diameter of a sphere ?

5 years ago
OpenStudy (anonymous):

diameter is 2*radius

5 years ago
OpenStudy (anonymous):

so find radius and multiply by two to see if it matches up to the diameter

5 years ago