3 years ago

Guys i need these answers badly so i would appreciate if someone responded Thanks !

Mathematics

1 answer:

nikdorinn [45]3 years ago

3 0

Answer:

Y is the midpoint of XZ, so XY = YZ

20x - 30 = 12x + 10
20x - 12x = 10 + 30
8x = 40
x = 5

Find XZ:

XZ = 2(XY) = 2(20*5 - 30) = 140

The answer is:

x = 5 and XZ = 140

------------------------

B is the midpoint of AC, so AB = BC

4x + 3 = 2x + 15
4x - 2x = 15 - 3
2x = 12
x = 6

Find AC:

AC = 2(AB) = 2(4*6 + 3) = 54

The answer is:

x = 6, AC = 54

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