Find the value of x , if angle A measure is 2x +3, angle B measure is 57 and angle C measure is x. What is the measurement of angle A and angle C?

4.3x

Step-by-step explanation:

2x+3 always equals 13. Then you divinde 57 by 13 and get 4.3

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step-by-step explanation:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

answer:

f(5/2) = 10/3

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