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3 years ago

Explain how you would solve this problem for x

Mathematics

1 answer:

borishaifa [10]3 years ago

7 0

Answer:

x = 18.

Step-by-step explanation:

The 2 amgles are adjacent so add up to 180 degrees so we have:

x^2 - 11x + 3x = 180

x^2 - 8x - 180 = 0

(x -18)(x + 10) = 0

x = -10, 18.

x = -10 cannot be correct because that would make the 3x angle = -30.

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Step-by-step explanation:

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Answer/Step-by-step explanation:

7. Line 1 = undefined.

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8. Line 2 = $\frac{4}{3}$

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9. Line 3 = $\frac{4}{3}$

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$slope = \frac{4}{3}$

10. Line 4 = undefined (slope of a vertical line is always undefined)

11. Line 5 = $\frac{7}{3}$

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$slope = \frac{7}{3}$

12. Line 6 = $-\frac{7}{3}$

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$slope = -\frac{7}{3}$

13. Line 7 = 0

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14. Line 8 = 0 (slope of horizontal line is always zero)

15. Line 9 = undefined (slope of a vertical line is always undefined)

16. Line 10 = undefined (slope of a vertical line is always undefined)

17. Line 11 = 0 (slope of horizontal line is always zero)

18. Line 12 = undefined (slope of a vertical line is always undefined)

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