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Dmitrij [34]
4 years ago
9

Subtract the second equation from the first

Mathematics
1 answer:
vekshin14 years ago
4 0
4x+3y=8

-

8x+3y=14

=

-4x=-6

=

4x=6
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(x-y)^2-(x+y)^2=-4xy
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If the scale factor is 5, how many times larger will the scaled copy's area be?
Lady bird [3.3K]

Answer:

25 times

Step-by-step explanation:

Scale factor is the ratio of dimensions of the image and the preimage.

Scale factor = \frac{\text{Side length of image}}{\text{Side length of preimage}}

Since area of a figure is the square of dimensions.

Area = Length × Width

Therefore, area scale factor will be the ratio of square of the dimensions of image and preimage.

Area scale factor = \frac{\text{Area of the image}}{\text{Area of the preimage}}

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                             = 25

Therefore, area of the image will be 25 times the area of the preimage.

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djyliett [7]

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Step-by-step explanation:

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