14-10-2016
Mathematics

contestada

if AC=17 and AB=5x-6, then find the value of x.
line segment AB has a midpoint C.

A)34
B)8
C)23/5
D)20

Respuesta :

14-10-2016

C is the midpoint of AB which implies AC=BC.
AC=BC=17
AB=AC+BC=17+17=34

5x-6 = 34
5x = 34+6
5x = 40
x = 40/5
x = 8

Answer : B) 8

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