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pychu [463]
3 years ago
10

Which expressions are equivalent to 6 +(–x) + 2x + (–7) + 2x?

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
4 0

+(-x) = -X
+(-7) = -7

So
6-x+2x-7+2x
Simplifies to
3x-1

So your answer is 3x-1

Hope this helps
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Please help!!!! needs to be submitted
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<h3>How to determine the transformation?</h3>

From the figure, the coordinates of the triangle are:

A = (-1, -1)

B = (1, 2)

C = (-2,4)

The transformation rule is given as:

\triangle XYZ = T_{ < 3,1 > }(R_{x-axis}(D_2(\triangle ABC)))

This means that, we start by dilating the triangle by a scale factor of 2.

So, we have:

A' = (-2, -2)

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Next, we rotate the triangle across the x-axis

So, we have:

A'' = (-2, 2)

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So, we have:

X = (1,3)

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See attachment for the image of the transformation

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2 years ago
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Ksivusya [100]

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The cost to buy n notebooks and d desktop computers will be:

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