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Usimov [2.4K]
3 years ago
5

Janelle expanded the expression as shown below. -4(-3x + 2/7) = -12x - 3 5/7 What errors did she make? Select three options

Mathematics
1 answer:
scZoUnD [109]3 years ago
8 0

Answer:

Step-by-step explanation:

Janelle expanded the expression as shown below. -4(-3x + 2/7) = -12x - 3 5/7 What errors did she make?

We are given the expression:

-4(-3x + 2/7)

Solving this expression:

Expanding the brackets

-4 × -3x + -4 × 2/7

12x - 8/7

12x - 1 1/7

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The new coordinate will be T'(3.2 , -1.6) .

<h3>What is the meaning of Dilation ?</h3>

Dilation is the transformation that changes the size of the object without changing its shape .

If a coordinate point is (x,y) and a dilation of scale factor f is applied then the new coordinates will be (fx ,fy)

The coordinate given in the question is T(8, -4)

The scale factor is 0.4

The new coordinate is

T'( 0.4 * 8 , 0.4 * (-4))

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Therefore the new coordinate will be T'(3.2 , -1.6)

To know more about Dilation

brainly.com/question/13176891

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Solve the equation for the indicated variable; x=5y for y
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Step-by-step explanation:

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