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Natalka [10]
3 years ago
11

A, B and C are collinear points. B is between A and C. AB=12 BC=18 AC=3x Find X.

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
3 0

Answer:

x =10

Step-by-step explanation:

Given

AB = 12

BC = 18

AC = 3x

Required

Solve for x

Since B is in between both points, then:

AC = AB + BC

This gives

3x = 12 + 18

3x = 30

Divide by 3

x =10

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