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Number 9 please ! Germotry help

Number 9 Please Germotry Help class=

Answer :

SQDANCEFANGO

9514 1404 393

Answer:

  E = (-14, 15)

Step-by-step explanation:

The midpoint relation is ...

  M = (D +E)/2

  2M = D +E . . . . multiply by 2

  E = 2M -D . . . . subtract D

  E = 2(-4, 8) -(6, 1) = (-8-6, 16 -1)

  E = (-14, 15)

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