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April 17, 2014

Homework Help: math

Posted by Kindell on Tuesday, February 19, 2008 at 1:05pm.

an airplane is flying at a constant altitude of 28000 meters. when first seen to the east of the observer, the angle to the airplane is 71.5 degrees. after 73 seconds, the angle of elevation is 51.6 degrees. find the speed of the airplane.

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