80 ft 150 ft 600 ft

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter31: Customary Vernier Calipers And Height Gages
Section: Chapter Questions
Problem 4A: Express 87.6 inches as feet.
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The cable of a suspension bridge is shaped like a parabola, the towers that support the cable are 600ft apart and are 80ft high. If the cable touches the surface of the bridge at the midpoint of the towers, what is the height of the cable from the surface at a point 150ft from the center of the bridge.

answer: 20ft
 
help me please.
 
80 ft
150 ft
600 ft
Transcribed Image Text:80 ft 150 ft 600 ft
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