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averyeverdeen01
01.01.2020 •
Mathematics
Write the equation of the line that passes through (4, -8) and is parallel to the line y = -2x - 13.
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Ответ:
y=-2x
Step-by-step explanation:
Parallel means same slope.
y-y1=m(x-x1)
y-(-8)=-2(x-4)
y+8=-2x+8
y=-2x+8-8
y=-2x
Ответ:
Let’s rewrite the equation
y=-2x-13
Knowing that the new equation is parallel to this will only tell us the slope. When an equation is parallel to another, it has the same slope but different y-intercept. So, our equation will have the same slope.
This is our current equation: y=-2x+b
Now we need to solve to b. We’ll do this by substituting the point into the equation and solving.
y=-2x+b
*substitute point*
-8=-2(4)+b
-8=-8+b
+add 8 on both sides*
0=b
Let’s add this into our equation— y=-2x+0 is our final answer
Hope this helps comment below for more questions :)
Ответ:
5. F
6. C
Step-by-step explanation:
5. the mode is all the variables added together which is 100 or 100% divided by the number of them which is 4. 100 divided by 4 is 25 or 25%. The one that's equal to 25% is F which is soccer.
6. The relative frequency from what I can tell is the percentages of each of them. You just have to see how much space each of them takes up. C should be the answer.
Hopefully these are correct.