dhxx dhxx
  • 13-11-2018
  • Mathematics
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easiest way to get it

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AL2006
AL2006 AL2006
  • 13-11-2018

The coordinates at the midpoint of any line are the averages of the coordinates at the end-points.  So 7 has to be the average of 10 and k .

(1/2) (10 + k) = 7

5 + k/2 = 7

k/2 = 2

k = 4


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