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erica [24]
2 years ago
7

The temperature at 5 PM was -4 degrees. By 5 AM the temperature had decreased 8 degrees. What was the temperature at 5 AM?

Mathematics
1 answer:
Julli [10]2 years ago
6 0

Answer:

-12

Step-by-step explanation:

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M is the midpoint of line segment AB
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Answer:

The coordinates of A would be (-1, 2)

Step-by-step explanation:

In order to find this, use the mid-point formula.

(xA + xB)/2 = xM

In this, the xA is the x value of point A, xB is the x value of point B, and xM is the x value of M. Now we plug in the known information and solve for xA.

(xA + 5)/2 = 2

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Now we can do the same using the midpoint formula and the y values.

(yA + yB)/2 = yM

(yA + 10)/2 = 6

yA + 10 = 12

yA = 2

This gives us the midpoint of (-1, 2)

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