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by: Breanne Schaden PhD

Precalculus MATH 147

Breanne Schaden PhD
GPA 3.72

Barbara Kenny

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Barbara Kenny
Class Notes
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This 2 page Class Notes was uploaded by Breanne Schaden PhD on Saturday October 3, 2015. The Class Notes belongs to MATH 147 at Boise State University taught by Barbara Kenny in Fall. Since its upload, it has received 26 views. For similar materials see /class/217994/math-147-boise-state-university in Mathematics (M) at Boise State University.

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Date Created: 10/03/15
Math 147 H F 9 7 9 CT 5 00 3 Application Problems 2 bkenny spring2009 In 1956 the worlds tallest man made structure was a television tower on the outskirts of Oklahoma City From a point on level ground the angle of elevation to the top of the tower was 28 From another point 2202 feet closer to the base of the tower the angle of elevation of the top was 66 How high was the tower A surveyor walks away from the base of a mountain stops and measures the angle of elevation to the top of the mountain to be 47 Then he walks 900 meters farther away from the mountain on the same level and measures the angle of elevation to the top to be 35 Find the height of the mountain Two observers simultaneously measure the angle of elevation of a helicopter overhead and between them One angle is measured as 25 and the other is 40 If the observers are 100 feet apart and the helicopter is hovering between them how high is the helicopter To nd the distance between Lee7s house at point A and Wesley7s house at point B on opposite sides of a lake Tony selects a third point C from which he can walk to each house The angle ACE is found to be 70 Tony walks from C to A a distance of 50 feet and nds the distance from C to B is 70 feet How far apart are the two houses round to one decimal place The distance ES from the earth to the sun is 93 million miles The distance MS from Mercury to the sun is 36 million miles How far is Mercury from the earth when the angle MES is 15 to the nearest million miles In attempting to y from city A to city B a distance of 330 miles a pilot inadvertently took a course that was 10 south of his intended route If the aircraft maintains an average speed of 220 miles per hour and if the error in direction is discovered after 15 minutes through what angle should the pilot turn to head toward city E State College Pennsylvania is 210 miles due east of Wooster Ohio The bearing of Washington from Wooster is S 64 E State College is 130 miles from Washington How far is Washington from Wooster The distance from home plate to dead center of Wrigley Field the home the Chicago Cubs baseball team is 400 feet How far is it from dead center to third base A baseball diamond is a square with 90 feet sides round to one decimal place On a hillside that makes an angle of 22 with the horizontal a 40 foot tree leans downhill When the elevation of the sun is 47 the trees shadow is 80 feet long and falls straight down the slope Find the angle made by the tree with the vertical Answers 1 F 9 7 U 5 00 p 1534 feet 1816 meters 30 feet 708 feet 63 million miles7 or 117 million miles 12 This is the ambiguous case of Law of Sines Washington7 PA is 97 miles from Wooster Washington7 DC is 280 miles from Wooster 3426 feet 15 or 79


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