document.write( "Question 124452: Avoiding a collision. A car is traveling on a road that is perpendicular to a railroad track. When the car is 30 meters from the crossing, the car’s new collision detector wars the driver that there is a train 50 meters from the car and heading toward the same crossing. How far is the train from the crossing? \r
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Algebra.Com's Answer #91205 by checkley71(8403)\"\" \"About 
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30^2+X^2=50^2
\n" ); document.write( "900+X^2=1500
\n" ); document.write( "X^2=2500-900
\n" ); document.write( "X^2=1600
\n" ); document.write( "X=SQRT1600
\n" ); document.write( "X=40 THE DISTANCE THE TRAIN IS FROM THE CROSSING.
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