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Helium is pumped into a spherical balloon at a constant rate of 3 cubic feet per second. How fast is the radius increasing after 4 minutes? At what time (if any) is the radius increasing at a rate of 120 feet per second? C The radius is increasing at a rate of ft/sec. (Type an integer or a decimal. Do not round until the final answer. Then round to four decimal places as needed.)

Helium is pumped into a spherical balloon at a constant rate of 3 cubic feet per second. How fast is the radius increasing after 4 minutes? At what time (if any) is the radius increasing at a rate of 120 feet per second? C The radius is increasing at a rate of ft/sec. (Type an integer or a decimal. Do not round until the final answer. Then round to four decimal places as needed.)

Elementary Geometry for College Students
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter8: Areas Of Polygons And Circles
Section8.4: Cicumference And Area Of A Cicle
Problem 45E: The diameter of a carousel merry-go-round is 30ft. At full speed, it makes a complete revolution in...
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Helium is pumped into a spherical balloon at a constant rate of 3 cubic feet per second. How fast is the radius increasing after 4 minutes? At what time (if any) is the radius increasing at a rate of 120 feet per second? The radius is increasing at a rate of ft/sec. (Type an integer or a decimal. Do not round until the final answer. Then round to four decimal places as needed.)
Transcribed Image Text:Helium is pumped into a spherical balloon at a constant rate of 3 cubic feet per second. How fast is the radius increasing after 4 minutes? At what time (if any) is the radius increasing at a rate of 120 feet per second? The radius is increasing at a rate of ft/sec. (Type an integer or a decimal. Do not round until the final answer. Then round to four decimal places as needed.)
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