Mathematics, 01.12.2021 02:10 rosie20052019

Oil spilled from a ruptured tanker spreads in a circle whose area increases at a constant rate of 9 mi2/hr. How rapidly is radius of the spill increasing when the area is 4 mi2

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Oil spilled from a ruptured tanker spreads in a circle whose area increases at a constant rate of 9...

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