kponcedeleon001 kponcedeleon001

13-03-2018
Mathematics

contestada

Please answer this and thank you

If DF=78, DE=5x-9, and EF=2x+10, find EF.

Please answer this and thank you If DF78 DE5x9 and EF2x10 find EF class=

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jcherry99 jcherry99

13-03-2018

DE + EF = DF
5x - 9 + 2x + 10 = 78
7x+ 1 = 78
7x = 77
x = 77/7 = 11

EF = 2x + 10
EF = 2*11 + 10
EF = 22 + 10
EF = 32

Answer Link

claudettoterohil claudettoterohil

13-03-2018

Question

If DF = 78, DE = 5x-9, and EF = 2x+10, find EF.

Answer

EF = 32

Answer Link

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