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  • 13-12-2018
  • Mathematics
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If K is the midpoint of JL, JK=9x-1 and KL=2x+27, find JL.

If K is the midpoint of JL JK9x1 and KL2x27 find JL class=

Respuesta :

akephd
akephd akephd
  • 13-12-2018

Answer:

The answer is B. 70

Step-by-step explanation:

First, since K is the midpoint of line segment JL, JK must equal KL.

So, set 9x-1 = 2x+27 and solve.

7x=28 so x=4

Then, since they are asking for JL, using x=4, add together JK and KL.

So, 9x-1+2x+27 = 11x+26 = 11(4) + 26 = 44+26 = 70

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