5) A thin sheet of ice on a lake is in the shape of a circle. If the ice is melting such that the area of the sheet is decreasing at a rate of 1 m² per second, how fast is the radius of the circle of ice decreasing, when the area is 30 m²?

5) A thin sheet of ice on a lake is in the shape of a circle. If the ice is melting such that the area of the sheet is decreasing at a rate of 1 m² per second, how fast is the radius of the circle of ice decreasing, when the area is 30 m²?

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter1: Equations, Inequalities, And Mathematical Modeling

Section1.1: Graphs Of Equations

Problem 9ECP

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Question

5) A thin sheet of ice on a lake is in the shape of a circle. If the ice is melting such that
the area of the sheet is decreasing at a rate of 1 m² per second, how fast is the radius
of the circle of ice decreasing, when the area is 30 m²?

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