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Sedaia [141]
3 years ago
13

Two lines are perpendicular. The slope of one line is −5/7. What is the slope of the other line? Justify your answer.

Mathematics
1 answer:
PolarNik [594]3 years ago
8 0

Answer: The slope of the other line is 7/5


Step-by-step explanation:

When looking for the slope of two perpendicular lines, the slope of the unknown is going to be the opposite reciprocal of the known line.


So here's another example. There's two perpendicular lines. The known is 2x. That means the unknown is going to be -1/2.

The known is -4/7. The unknown is 7/4.

Hope I could help! :)

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First change them all into either fractions or decimals. Decimals are probably easier though. 1/5 = 0.2; 12/25 = 0.48; 4/5 = 0.8 
Order: 0.2, 0.35, 0.48, 0.5, 0.8
Then you change the decimals that you converted back into the fraction form
Answer: 1/5, 0.35, 12/25, 0.5, 4/5
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4 years ago
PLEASE HELP ME!!!!!!!!!!!!!!!
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