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Elenna [48]
2 years ago
15

Determine whether the given scale factor is a reduction or an

Mathematics
2 answers:
Margaret [11]2 years ago
7 0

Answers:

  • Enlargement
  • The new larger rectangle is 16.8 inches by 8.4 inches

==============================================================

Explanation:

I'm assuming 7/5 is the scale factor. If so, notice how 7/5 = 1.4 which is larger than 1.

The scale factor being larger than 1 means we have an enlargement.

The image is going to be larger compared to the preimage.

The preimage rectangle is 12 in by 6 in. Multiply each dimension by 1.4 to get 12*1.4 = 16.8 and 6*1.4 = 8.4

The image rectangle is 16.8 inches by 8.4 inches

ehidna [41]2 years ago
5 0

Answer:

This is an enlargement. The dimensions of the scaled rectangle is 16.8 inches by 8.4 inches.

Step-by-step explanation:

This is a dilation.

A dilation makes a figure larger or smaller.

In this case, the scale factor is an enlargement; the figure will be larger.

The figure will be larger because the scale factor, 7/5, is larger than one (1).

If the scale factor were smaller than one (1), it would be a reduction.

In dilations, a scale factor is how much larger the image will be.

In other words, multiply the side lengths by the scale factor.

The original rectangle has a length of 12 inches and a width of 6 inches.

12*7/5=84/5

6*7/5=42/5

It will be more convenient to change the products, which are fractions, to decimals.

84/5=16.8

42/5=8.4

Therefore, the dimensions of the scale rectangle is 16.8 inches by 8.4 inches.

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If 2/3 + p = 1 and 4/5+ q = 3, what is the value of p+q?
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