Simplify the expression. The expression is (5x+1/2)+(9x-2 1/2)
1 answer:
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1. Take an arbitrary point that lies on the first line y=3x+10. Let x=0, then y=10 and point has coordinates (0,10).
2. Use formula to find the distance from point
to the line Ax+By+C=0.
The second line has equation y=3x-20, that is 3x-y-20=0. By the previous formula the distance from the point (0,10) to the line 3x-y-20=0 is:
.
3. Since lines y=3x+10 and y=3x-20 are parallel, then the distance between these lines are the same as the distance from an arbitrary point from the first line to the second line.
Answer: .
Answer:
I believe your equation is
Step-by-step explanation:
Using the rise over run formula, you get the slope as 4/5. Then, you look for the y-intercept, which turned out to be -2.