document.write( "Question 1190715: An airplane is flying at a speed of 250 mph at an altitude of 5 miles. The plane passes directly above a radar station at time t = 0.
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Algebra.Com's Answer #822429 by ikleyn(52788) $\"\"$ $\"About$

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\n" ); document.write( "An airplane is flying at a speed of 250 mph at an altitude of 5 miles.
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document.write( "This distance is the hypotenuse of the right-angled triangle, one leg of which\r\n" );
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document.write( "is the altitude (5 miles), and the other leg is the horizontal travel distance\r\n" );
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document.write( "of the plane in 5 minutes.\r\n" );
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document.write( "This horizontal distance is   miles = 20.833 miles.\r\n" );
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document.write( "So, the distance from the radar to the plane is  \r\n" );
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document.write( "      d =  = 21.425 miles.    ANSWER\r\n" );
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