document.write( "Question 316876: Please help me with this. Find the distance between P and Q and the coordinates of the midpoint of the segment joining P and Q.
\n" ); document.write( " P(2,7),Q(4,1)
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Algebra.Com's Answer #226790 by Fombitz(32388)\"\" \"About 
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Use the distance formula,
\n" ); document.write( "\"D%5E2=%28x2-x1%29%5E2%2B%28y2-y1%29%5E2\"
\n" ); document.write( "\"D%5E2=%284-2%29%5E2%2B%281-7%29%5E2\"
\n" ); document.write( "\"D%5E2=4%2B36\"
\n" ); document.write( "\"D%5E2=40\"
\n" ); document.write( "\"D=2sqrt%2810%29\"
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\n" ); document.write( "Use the midpoint formula,
\n" ); document.write( "\"xm=%282%2B4%29%2F2=3\"
\n" ); document.write( "\"ym=%287%2B1%29%2F2=4\"
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