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3 years ago

6

Determine whether the lines are parallel or perpendicular or neither. 7y+1=7x and x+5=y

1 answer:

Lapatulllka [165]3 years ago

5 0

(These steps show you how to determine whether the lines are parallel or perpendicular) -

*use the equation of straight line :
y = mx + c

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Gnoma [55]

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3 years ago

Pls Help, 20 points!

skelet666 [1.2K]

Answer:

90/13, 45/13

Step-by-step explanation:

$- 2 = x \\ 7x + 9y = - 45 \\ \\ 7 \times ( - 2)y + 9y = - 45 \\ y = 9 \\ \\ 7x + 9 \times 9 = - 45 \\ x = - 18 \\ (x.y) = (- 18.9) \\ \\$

Simplify:

$- 2 \times 9 = - 18 \\ 7 \times ( - 18) + 9 \times 9 = - 45 \\ - 18 = - 18 \\ - 45 = - 45$

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