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brilliants [131]
3 years ago
11

Please help solve, Thank you. - Which expression is equivalent to t + 4 +3 - 2t?

Mathematics
1 answer:
OverLord2011 [107]3 years ago
6 0
<h3>Answer: Choice B)  -t+7</h3>

Explanation

The like terms are ones that have the same variable in them, or that dont have a variable at all attached. One pair of like terms is t and -2t, which combine to t+(-2t) = t-2t = -t

The other pair of like terms are 4 and 3 which add to 7

So t+4+3-2t simplifies fully to -t+7, which is the same as 7+(-t) = 7-t

We cannot simplify any further from here as the 7 and -t are not like terms.

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which pair of points forms line that does no intersect the line that passes through the points (5,7) and (7,7)?
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Answer:

(8, -9), (11, -9)

Step-by-step explanation:

The points (5, 7) and (7, 7) are on a horizontal line in which the y-coordinates of all points are 7. The line has equation y = 7.

For a line to not intersect the line y = 7, it must be parallel to y = 7.

The answer is the pair of points which both have the same y-coordinate, and that y-coordinate is not 7.

From the choices you added to your comments, the only choice with two points with the same y-coordinate is (8, -9) and (11, -9). This is the answer.

Answer: (8, -9), (11, -9)

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Factor gcf 5ab^2 + 10ab
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2 years ago
Given n//p m&lt;2=50 degrees what is m&lt;7?
Bogdan [553]

Answer: m∠7=130°

Step-by-step explanation:

  If two parallel lines are cut by another line (transversal), each one will have four angles surrounding the intersection.

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