C is the answer!
Step-by-step explanation:
The slope of points P and Q is,
m=y2-y1/x2-x1
substitute the numbers in the equation above,
m=2-3/4-8
m=-1/-4
m=1/4
The slope of points R and S,
m=-2-(-5)/-1-(-5)
m=-2+5/-1+5
m=3/4
Remember, that parallel lines have the SAME SLOPE!
So no, the lines are not parallel!
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Answer: 18, 19, 20
Step-by-step explanation:
3 consecutive integers = x, y and z
1st number is X
2nd number is Y which is X +1
3rd number is Z which is X +2
Write equation
X + 2Y = 16 + 2Z
Replace Y with X + 1 and Z with X + 2
So,
X + 2(X + 1) = 16 + 2(X + 2)
Distribute
X + 2X + 2 = 16 + 2X + 4
Combine like terms
3X + 2 = 2X + 20
Solve for X
3X + 2 - 2 - 2X = 20 + 2X - 2X - 2
X = 18 so, Y is 19 and Z is 20
Answer:
36
Step-by-step explanation:
63/(7/4) 63 divided by 7/4
63* 4/7 63 multiplied by 4/7
=36 answer is 36
X=2
why the first line starts from left to right on a cartesian plane, the second slants from top to bottom making it perpendicular
