document.write( "Question 258858: Two ships leave the same harbor at the same time. The first ship heads north at 20 miles per hour and the second ship heads west at 15 miles per hour. Write an expression that gives the distance d between the ships after t hours? \n" ); document.write( "

Algebra.Com's Answer #190576 by richwmiller(17219) $\"\"$ $\"About$

You can put this solution on YOUR website!
Their distances travelled will be the legs of a right triangle.
\n" ); document.write( "The distance between them will be the hypotenuse.
\n" ); document.write( "rt=d
\n" ); document.write( "It will be multiple of the 3,4,5 triangle
\n" ); document.write( " $\"sqrt%28%28rt%29%5E2%2B%28rt%29%5E2%29%29\"$
\n" ); document.write( " $\"sqrt%28%2820t%29%5E2%2B%2815t%29%5E2%29%29\"$
\n" ); document.write( " $\"sqrt%28400t%5E2%2B225%5E2%29\"$ = $\"sqrt%28625t%5E2%29\"$ =25t
\n" ); document.write( "25t=d \n" ); document.write( "

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