Question

My answer is incorrect please help me find the correct answer. 

Assume that the radius r of a sphere is expanding at a rate of 50 cm/min. The volume of a sphere is V = Tr and its surface
area is 4ar?. Determine the rate at which the volume is changing with respect to time when r = 15 cm.
(Use symbolic notation and fractions where needed.)
dV
18849.56
cm?/min
dt
Incorrect
Expand
Transcribed Image Text

Assume that the radius r of a sphere is expanding at a rate of 50 cm/min. The volume of a sphere is V = Tr and its surface area is 4ar?. Determine the rate at which the volume is changing with respect to time when r = 15 cm. (Use symbolic notation and fractions where needed.) dV 18849.56 cm?/min dt Incorrect

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