Answer:
parallel slope = , perpendicular =
Step-by-step explanation:
to find slope, formula:
:
:
if parallel, same slope, so slope = 13/8
if perpendicular, slope = -1/n = -1/13/8 = -8/13 is the perpendicular slope.
Answer:
15
Step-by-step explanation:
A simple way is to go through the multiples of (because it is the biggest) and see the first number is divisible by 3
You can also just multiply 3 and 5
The solution for both ways is 15
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8x - 4 + x + 5(2) + 6x = 66
15x - 4 + 10 = 66
15x + 6 = 66
15x = 60
x = 4
Answers: (x, y, z) = (1, 2, -1)
Solving Steps: