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earnstyle [38]
3 years ago
15

Help pleaseeee. This is 8th grade math and i need to find what x is

Mathematics
1 answer:
Degger [83]3 years ago
4 0

\text{Hello there!}\\\\\text{We know the that the exterior angle (x) is the sum of the opposite interior}\\ \text{angles}\\\\\text{This means that you would add 72 and 37}\\\\72+37=109\\\\\text{Or, you can do this method:}\\\\\text{Find the missing interior angle by adding 72 and 37 and subtracting}\\\text{it by 180}\\\\180-72-37=71\\\\\text{Now, find the exterior angle by subtracting 180 by 71}\\\\180-71=109\\\\\boxed{x = 109\,\,\text{degrees}}

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What is the solution to the system of equations below? y = -3X+5 and y=4x-2 (1, 2) (1, –18) (–1, 8) (–1, –6)
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Answer:

(1, 2 )

Step-by-step explanation:

Given the 2 equations

y = - 3x + 5 → (1)

y = 4x - 2 → (2)

Substitute y = 4x - 2 into (1)

4x - 2 = - 3x + 5 ( add 3x to both sides )

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7x = 7 ( divide both sides by 7 )

x = 1

Substitute x = 1 into (2) for corresponding value of y

y = (4 × 1) - 2 = 4 - 2 = 2

Solution is (1, 2 )

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3 years ago
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