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If A has the coordinate -10 and C has the coordinate 14 and B is the midpoint of a AC, then what is the coordinates of D which is the midpoint of BC?

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sqdancefan

Answer:

  8

Step-by-step explanation:

The midpoint of AC is ...

  B = (A +C)/2 = (-10 +14)/2 = 2

The midpoint of BC is ...

  D = (B +C)/2 = (2 +14)/2 = 8

The midpoint of BC is 8.

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