kab8829 kab8829
  • 17-09-2020
  • Mathematics
contestada

Given that J is between H and K. If JK=3x-1, HJ=2x+4, and HK=12, find x and JK.

Respuesta :

mykiahgriffiths
mykiahgriffiths mykiahgriffiths
  • 17-09-2020

Answer:

x=1.8   JK=4.4

Step-by-step explanation:

JK+HJ=HK

3x-1+2x+4=12

5x+3=12

5x=9

x=1.8

JK=3x-1

JK=3(1.8)-1

JK=5.4-1

JK=4.4

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