document.write( "Question 549843: Point B is the midpoint of AC .
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Algebra.Com's Answer #358120 by jim_thompson5910(35256)\"\" \"About 
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t is equal to the average of the y coordinates of points A and B\r
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\n" ); document.write( "\n" ); document.write( "So t = (-1+5)/2 = 4/2 = 2\r
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\n" ); document.write( "\n" ); document.write( "which means that t = 2
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