Answered: The builder of a parking garage wants…

The builder of a parking garage wants to build a ramp at an angle of 12 that covers a horizontal span of 45 feet. How long will the actual ramp be? Round your solution to four decimal places.

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

Chapter8: Introduction To Functions

Section8.9: Direct Variation

Problem 15P

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The builder of a parking garage wants to build a ramp at an angle of 12 that covers a horizontal span of 45 feet. How long will the actual
ramp be? Round your solution to four decimal places.
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The owner of the Rancho Grande has 2992 yd of fencing with which to enclose a rectangular piece of grazing land situated along the straight portion of a river. If fencing is not required along the river (see the figure below), what are the dimensions of the largest area he can enclose? Let y be the length (in yd) of the side parallel to the straight portion of a river, and x be the length (in yd) of the other side of the rectangular piece of land. x = Correct: Your answer is correct. yd (Round your answer to two decimal places, if necessary.) Complete the following parts. (a) Give a function f in the variable x for the quantity to be optimized. f(x) = 2992 4 Incorrect: Your answer is incorrect. (b) State the domain of this function. (Enter your answer using interval notation.) [0,2992] Incorrect: Your answer is incorrect. (c) Give the formula for y in terms of x. y = 2992−2x Correct: Your answer is correct.