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sesenic [268]
3 years ago
8

What is the value of x?

Mathematics
1 answer:
Marta_Voda [28]3 years ago
8 0

Answer:

x ≈ 6.8

Step-by-step explanation:

since all angles in a triangle add up to 180º:

8x-4+17x-23+3x+17=180

28x-10=180

28x=190

x ≈ 6.8

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<h2>         y = 6x - 1</h2>

Step-by-step explanation:

\bold{slope\, (m)=\dfrac{change\ in\ Y}{change\ in\ X}=\dfrac{y_2-y_1}{x_2-x_1}}

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(1, 5)     ⇒     x₂ = 1,  y₂ = 5

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The slope-intercept form of the equation of line is y = mx + b, where m is the slope and b is the y-intercept of the line.

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Therefore:

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