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Elena-2011 [213]
3 years ago
11

Is each line parallel, perpendicular, or neither parallel nor perpendicular to a line whose slope is 2/5?

Mathematics
2 answers:
Gnesinka [82]3 years ago
3 0
Parallel: line p with slope 2/5
Perpendicular: line n with slope -5/2
the other two would be neither.
tankabanditka [31]3 years ago
3 0

Answer:The line p is parallel , n is perpendicular, line m and q are neither parallel not perpendicular.

Explanation:

The slope of given line is \frac{2}{5}.

The slope of parallel line are equal.

Only the slope of line p is \frac{2}{5} which is equal to the slope of given line, therefore the line p is parallel to the given line.

The product of slopes of perpendicular lines is -1.

The slope of n is \frac{-5}{2} and the slope of given line is \frac{2}{5}.

\frac{2}{5}\times \frac{-5}{2} =-1

Since the product of slopes is -1, so the line n is perpendicular to the given line.

The slope of m is \frac{5}{2} and the slope of given line is \frac{2}{5}.

\frac{2}{5}\times \frac{5}{2} =1

Since the product of slopes is not equal to -1, so the line m is not perpendicular to the given line.

The slope of q is \frac{-2}{5} and the slope of given line is \frac{2}{5}.

\frac{2}{5}\times \frac{-2}{5} =-\frac{4}{25}

Since the product of slopes is not equal to -1, so the line q is not perpendicular to the given line.

Therefore the line m and q are neither parallel not perpendicular.

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3 years ago
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melomori [17]

Answer:

5) 2(4 - n) = -3n

2 × 4 - 2 × n = -3n

8 - 2n = -3n

-2n + 3n = -8

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n = -8

6) 5 - 3(2 + 2w) = -7

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hope this helps you!!

7 0
3 years ago
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