yejinschoi5930 yejinschoi5930

21-09-2020
Mathematics

contestada

M is midpoint of UV. If UM =(21x-13) cm

and MV = (10x+31)cm, then find UM.

Respuesta :

abidemiokin abidemiokin

25-09-2020

Answer:

Step-by-step explanation:

If M is midpoint of UV. If UM =(21x-13) cm and MV = (10x+31)cm then UM = MV

Given

UM =(21x-13) cm

MV = (10x+31)cm

If UM = MV then;

21x-13 = 10x+31

21x-10x = 31+13

11x = 44

x = 44/11

x = 4

Since UM = 21x-13

UM = 21(4) - 13

UM = 84 - 13

UM = 71cm

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