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J is the midpoint of HK. What are HJ, JK and HK? H___9x - 2_____J__4x + 13_____K *

 Dec 16, 2020
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Since J is the midpoint.....it must be that   HJ   = JK

 

So

 

9x - 2   =  4x  + 13

 

9x - 4x  = 13  + 2

 

5x   =  15

 

x =  3

 

So   HJ =  9(3) - 2  =  25

And if we did everything right....JK  =4(3) + 13   = 25

And HK   must  = HJ + JK = 25 + 25    = 50

 

 

cool cool cool

 Dec 16, 2020
edited by CPhill  Dec 16, 2020

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