document.write( "Question 944968: Brandon hikes 7 miles south and 4 miles west. How far is he from the starting point of his hike? \n" ); document.write( "

Algebra.Com's Answer #576206 by macston(5194) $\"\"$ $\"About$

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He has hiked the two legs of a right triangle, so:
\n" ); document.write( "A is the distance south and B is the distance west, and C is distance to start
\n" ); document.write( " $\"C%5E2=A%5E2%2BB%5E2\"$ or
\n" ); document.write( " $\"C=sqrt%28A%5E2%2BB%5E2%29\"$
\n" ); document.write( " $\"C=sqrt%287%5E2%2B4%5E2%29\"$
\n" ); document.write( " $\"C=sqrt%2849%2B16%29\"$
\n" ); document.write( " $\"C=sqrt%2865%29\"$
\n" ); document.write( "C=8.06 miles ANSWER After walking 7 miles south and 4 miles west, Brandon is 8.06 miles from his starting point.
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