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Question 773595:  A man walks 5 miles North, 3 miles West, 8 miles South, and 7 miles East. What is his distance from his starting point? 
 Answer by stanbon(75887)      (Show Source): 
You can  put this solution on YOUR website! A man walks 5 miles North, 3 miles West, 8 miles South, and 7 miles East. What is his distance from his starting point? 
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Starting at (x,y) = (0,0) 
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Change in "x" values:: 3 West then 7 East ends at x = 4 
Change in "y" values:: 5 North then 8 South ends at y = -3 
Ending at (4,-3) 
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Distance: = sqrt[4^2+3^2] = sqrt(25) = 5 
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Cheers, 
Stan H. 
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