oliverdansinger
oliverdansinger oliverdansinger
  • 16-05-2018
  • Mathematics
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Find IJ, JK, and IK
Analyze the diagram below and complete the instructions that follow.

Find IJ JK and IK Analyze the diagram below and complete the instructions that follow class=

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Professor1994 Professor1994
  • 16-05-2018
IJ=x-4
JK=5x+12
IK=9x-19

IJ+JK=IK
(x-4)+(5x+12)=(9x-19)
x-4+5x+12=9x-19
6x+8=9x-19
6x+8-6x+19=9x-19-6x+19
27=3x
3x=27
3x/3=27/3
x=9

IJ=x-4=9-4→IJ=5
JK=5x+12=5(9)+12=45+12→JK=57
IK=9x-19=9(9)-19=81-19→IK=62

Answer: Option B. IJ=5, JK=57, IK=62
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