A circle has an initial radius of 50 ft when the radius begins decreasing at the rate of 4 ft/min. What is the rate in the change of area at the instant that the radius is 10 ft?Write an equation relating the area of a circle, A, and the radius of the circle, r.|(Type an exact answer, using a as needed.)Differentiate both sides of the equation with respect to t.dAdrdtdt(Type an exact answer, using a as needed. Type an expression using r as the variable.)The rate of change of the area is(Type an exact answer in terms of r.)ft / min./min.ft/min.fi?.ft3.ft.

The rate in the change of area at the instant, when the radius, r is 10ft needs to be calculated.…

A circle has an initial radius of 50 ft when the radius begins decreasing at the rate of 4 ft/min. What is the rate in the change of area at the instant that the radius is 10 ft? Write an equation relating the area of a circle, A, and the radius of the circle, r. (Type an exact answer, usingz as needed.) Differentiate both sides of the equation with respect to t. dA dr dt dt (Type an exact answer, using x as needed. Type an expression using r as the variable.) The rate of change of the area is (Type an exact answer in terms of x.) f / min. f / min. ft/min. ft.

A circle has an initial radius of 50 ft when the radius begins decreasing at the rate of 4 ft/min. What is the rate in the change of area at the instant that the radius is 10 ft? Write an equation relating the area of a circle, A, and the radius of the circle, r. (Type an exact answer, usingz as needed.) Differentiate both sides of the equation with respect to t. dA dr dt dt (Type an exact answer, using x as needed. Type an expression using r as the variable.) The rate of change of the area is (Type an exact answer in terms of x.) f / min. f / min. ft/min. ft.

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

Chapter2: Working With Real Numbers

Section2.3: Rules For Addition

Problem 14P

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