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balloon rises at the rate of 8 feet per second from a point on the ground 110 feet from an observer. Find the rate of change of the angle of elevation when the balloon is 250 feet above the ground.

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

Chapter11: Rational And Irrational Numbers

Section11.5: Square Roots Of Variable Expressions

Problem 9P

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Question

A balloon rises at the rate of 8 feet per second from a point on the ground 110 feet from an observer. Find the rate of change of the angle of elevation when the balloon is 250 feet above the ground.

Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.

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