document.write( "Question 133545This question is from textbook Elementary and Intermediate Algebra
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document.write( ": 90. 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 warns 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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document.write( "FYI This questions is in a section titled: Solving Quadratic Equations by factoring\r
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document.write( "Thanks \n" );
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Algebra.Com's Answer #97724 by edjones(8007) You can put this solution on YOUR website! We have a right triangle. \n" ); document.write( "a=30 c=50 \n" ); document.write( "a^2+b^2=c^2 \n" ); document.write( "30^2+b^2=50^2 \n" ); document.write( "900+b^2=2500 \n" ); document.write( "b^2=1600 \n" ); document.write( "b=40 m from the crossing. \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |