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ss7ja [257]
2 years ago
11

There are 14 books on a shelf. 5 of these books are new.

Mathematics
1 answer:
GuDViN [60]2 years ago
7 0
A)5:9
b)14:5
the are the answers 

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<h3>Answer: The lines are perpendicular</h3>

=================================================

Work Shown:

Use the slope formula to find the slope of the line through the two given points.

m = (y2 - y1)/(x2 - x1)

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The slope of the line through the two given points is 1/13.

This is not equal to -13, which was the slope of the first line, so the two lines are not parallel.

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note: It might help to think of -13 as -13/1 to help multiply the fractions.

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