Question
The volumes of two spheres differ by 336pi cubic meters and the lengths of their radii differ by 6 meters. Find the length of the radius of the smaller sphere. (Round your answer to the nearest hundredth)
Answers
Steve
4/3 pi (r+6)^3 = 4/3 pi r^3 + 336pi
4(r+6)^3 = 4r^3 + 1008
now just solve for r
4(r+6)^3 = 4r^3 + 1008
now just solve for r