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tamaranim1 [39]

3 years ago

6

Question 7

1 answer:

Alja [10]3 years ago

3 0

Answer: x=3.2 AC= 42.8

Step-by-step explanation:

As point B lies at segment AC AC=AB+BC

Otherwise we can write the equation

5x+9x-2=11x+7.6

14x-2=11x+7.6

14x-2+2=11x+7.6+2

14x=11x+9.6

14x-11x=11x-11x+9.6

3x=9.6

x=9.6:3

x=3.2

AC= 11*x+7.6= 11*3.2+7.6=35.2+7.6=42.8

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