document.write( "Question 440674: two cars leave an intersection. One car travela north the other east. When the car traveling north had gone 9 mi, the distance between the cars was 3 mi more than the distance traveled by the car heading east. How far had the eastbond car travled? \n" ); document.write( "
Algebra.Com's Answer #304336 by mananth(16946)\"\" \"About 
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let east bound car travel x miles
\n" ); document.write( "North bound - 9 miles
\n" ); document.write( "At right angles
\n" ); document.write( "Use pythagoras theorem\r
\n" ); document.write( "\n" ); document.write( "x^2++9^2=(x+3)^2
\n" ); document.write( "x^2+81=x^2+6x+9
\n" ); document.write( "6x=72
\n" ); document.write( "x=12
\n" ); document.write( "
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