jetblackcap jetblackcap
  • 24-02-2019
  • Mathematics
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Please help........................

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tramserran
tramserran tramserran
  • 24-02-2019

Answer: k = 4

Step-by-step explanation:

Since x = 7 is the perpendicular bisector, then it is equal distance from both of the endpoints, which makes it the x-value of the midpoint.

[tex]\dfrac{X_A+X_B}{2}=X_{Midpoint}\\\\\dfrac{10+k}{2}=7\\\\10+k=14\\\\k=4[/tex]

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