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Gnom [1K]
3 years ago
13

Find the slope of the line that is perpendicular to 3x+4y=20

Mathematics
2 answers:
mart [117]3 years ago
6 0

Answer:

4/3

Step-by-step explanation:

First, find the slope of the given equation.  To do this, solve it for 4y, and then for y:

Subtracting 3x from both sides, we get

4y = -3x + 20, and

dividing both sides by 4 yields

y = (-3/4)x + 5.  The slope of the given line is -3/4.

The slope of any line perpendicular to this one is the negative reciprocal of -3/4, meaning it would be +4/3.

Lostsunrise [7]3 years ago
3 0

Answer:

The slope would be four thirds (4/3)

Step-by-step explanation:

3x+4y=20

-3x      -3x

4y=20-3x

divide by 4 on each side to each term

y=5-(3/4)x

you then take the opposite reciprocal the slope -3/4 to have the perpendicular slope of 4/3

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