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Mathematics, 20.11.2021 05:10 bunnles

Oil spilled from a ruptured tanker spreads in a circle whose area increases at a constant rate of 7.5 mi2/hr. How rapidly is radius of the spill increasing when the area is 9 mi2

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Oil spilled from a ruptured tanker spreads in a circle whose area increases at a constant rate of 7....

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