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34kurt
3 years ago
14

Help please!!!!!!!!!!!!!

Mathematics
1 answer:
fiasKO [112]3 years ago
5 0

Answer:

<QPR = 98.5 degrees

Step-by-step explanation:

a line = 180 degrees

7x + 4 + 9x - 40 = 180

16x - 36 = 180

16x = 216

x = 13.5

<QPR = 7x + 4 = 7(13.5) + 4 = 98.5

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Which lines are perpendicular to the line y - 1 = 1/3 (x+2)? Check all that apply.
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Answer: Options 1, 3, 5

Step-by-step explanation:

Perpendicular lines have slopes that are negative reciprocals, so since the slope of the given line is 1/3, we need to find lines with a slope of -3.

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