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White raven [17]
3 years ago
9

which of the following statements about perpendicular lines is true? a. perpendicular lines have a constant distance between the

m. b. perpendicular lines intersect at a 90 degrees angle. c. there is no standard symbol for perpendicular lines. d. perpendicular lines do not exist in the same plane.
Mathematics
1 answer:
Flauer [41]3 years ago
7 0
B is the right answer
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Consider the line y = 3/8x + 3
Finger [1]

Answer:

Perpendicular line y = (- 8/3)x - 76/3.

Parallel line y = (3/8)x - 1

Step-by-step explanation:

y = 3/8

x + 3

1) Perpendicular line has negative reciprocal slope.

m = - 8/3

y = (- 8/3)x + b

Point (-8, - 4)

- 4 = (- 8/3)*(-8) + b

-4 - 64/3 = b

b = - 76/3

y = (- 8/3)x - 76/3

2) Parallel line has the same slope.

m = 3/8

y = (3/8)x + b

Point (-8, -4)

- 4 = (3/8)*(- 8) + b

- 4 + 3 = b

b = - 1

y = (3/8)x - 1

6 0
3 years ago
What is the slope of your equation?
Dafna1 [17]

Answer:

Step-by-step explanation:

To find slope, use two points.

Point A (x_{1},y_{1}) and Point B (x_{2}, y_{2}).

Slope (m) = \frac{y_{2}-y_{1} }{x_{2}-x_{1}}.

9 0
3 years ago
Answers must be in standard form:<br> (K+4)(3k+2)
kotykmax [81]

Answer:

3kK+2K+12k+8

Step-by-step explanation:

7 0
3 years ago
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6x – 7y = 25<br> 15x+3y = 42
Dmitrij [34]
The answer would =-1
8 0
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you are charged $16.05 after tax for a meal. Assume sales tax is 7%, what was the menu price for the meal?
Anton [14]

1.07x=16.05

16.05/1.07=15

15=x

7 0
3 years ago
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