<h3>
Answer: -20</h3>
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Work Shown:
Let x be the location of E on the number line.
Since C is the midpoint of E and F, this means we can find C's location by adding E and F together and dividing that sum by 2
midpoint = (endpoint1 + endpoint2)/2
C = (E+F)/2
Plug in E = x, C = -8 and F = 4. Then solve for x
C = (E+F)/2
-8 = (x+4)/2
(x+4)/2 = -8
x+4 = 2(-8) .... multiplying both sides by 2
x+4 = -16
x = -16-4 .... subtract 4 from both sides
x = -20
The location of point E on the number line is -20
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As a check, lets add E and F to get E+F = -20+4 = -16
Then cut this in half to get -16/2 = -8, which is the proper location of point C
This confirms our answer.
Answer:
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Step-by-step explanation:
Answer:4x+1=2x-5
First subtract 1 from each side.
4x+1-1=2x-5-5
That would be 4x=2x-10
Then divide by 2x on both sides
4x/2x=2x/2x-10
That would be 2x=-10
Then divide one more time by 2 on both sides
Like so, 2x/2=-10/2
Your answer is x=-5
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Answer: 0.75km per hour or 3/4km per hour.
Step-by-step explanation: 1/4 / 1/3 = 3/4.