Please solve 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.2when the area is 11 mi²?The radius is increasing atmi/hr.

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Answered: Oil spilled from a ruptured tanker…

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter12: Quadratic Functions

Section12.8: Joint And Combined Variation

Problem 2ST

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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 11 mi²? The radius is increasing at mi/hr.