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A ladder 15 feet long is leaning against a vertical wall. The top of the ladder slides down the wall at a rate of 3 feet per second. How fast is the base of the ladder moving away from the wall when its top is 12 feet from the ground? Answer: feet per second

A ladder 15 feet long is leaning against a vertical wall. The top of the ladder slides down the wall at a rate of 3 feet per second. How fast is the base of the ladder moving away from the wall when its top is 12 feet from the ground? Answer: feet per second

College Algebra
College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
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A ladder 15 feet long is leaning against a vertical wall. The top of the ladder slides down the wall at a rate of 3 feet per second. How fast is the base of the ladder moving away from the wall when its top is 12 feet from the ground? Answer: feet per second (Input numerical values only, do not type the units, space or comma.)
Transcribed Image Text:A ladder 15 feet long is leaning against a vertical wall. The top of the ladder slides down the wall at a rate of 3 feet per second. How fast is the base of the ladder moving away from the wall when its top is 12 feet from the ground? Answer: feet per second (Input numerical values only, do not type the units, space or comma.)
Instructions • Use continuous computations. Input numerical values only, do not type the units, space or comma. • Input the exact number if the answer is an integer (e.g. 5, 0, -3). • If the answer is a fraction, type the fraction or decimal value using two decimal places (e.g. 1/3, 0.33). • If the answer is a radical value, input the decimal value using two decimal places (e.g. if the answer is V2, type 1.41)
Transcribed Image Text:Instructions • Use continuous computations. Input numerical values only, do not type the units, space or comma. • Input the exact number if the answer is an integer (e.g. 5, 0, -3). • If the answer is a fraction, type the fraction or decimal value using two decimal places (e.g. 1/3, 0.33). • If the answer is a radical value, input the decimal value using two decimal places (e.g. if the answer is V2, type 1.41)
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