3 years ago

What is the sum of (5x - 10) and (-X + 8) ?

Mathematics

1 answer:

Darya [45]3 years ago

7 0

4x-253 urge ytrv 57843 t58

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Issouf claims that the scale factor is 1/2. which statement about his claim is correct?

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Answer:

The correct option is D.

Step-by-step explanation:

It is given that Issouf claims that the scale factor is 1/2.

From the given figure it is clear that

$CB'=C'B'=2$

$B'B=6$

$CB=CB'+B'B=2+4=6$

The scale factor of a figure is

$k=\frac{\text{Length of any side of image}}{\text{Length of corresponding side of preimage}}$

$k=\frac{C'B'}{CB}$

$k=\frac{2}{6}$

$k=\frac{1}{3}$

The scale factor is 1/3 because CB is actually 2 + 4 = 6.

Therefore the correct option is D.

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