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3 years ago

Is -4.123 rational?Is 01010010001... rational?

Mathematics

2 answers:

mylen [45]3 years ago

8 0

No 01010010001 is not rational

Licemer1 [7]3 years ago

5 0

-4.123 is rational since it is a number that ends. Even is it’s negative. But 01010010001... is irrational since it goes on forever shown by the three dots at the end

Hope this helps

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3 years ago

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Alexxx [7]

Answer:

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3 years ago

Neeeeed helpppppp please

MissTica

Answer:

Scale factor = 7

Step-by-step explanation:

Dilation with scale factor to map HEFG to DABC will be,

Scale factor = $\frac{\text{Dimension of Image DABC}}{\text{Dimension of preimage HEFG}}$

= $\frac{\text{Length of CD}}{\text{Length of GH}}$

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= $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

= $\sqrt{(-7-0)^2+(0+7)^2}$

= $\sqrt{98}$

= $7\sqrt{2}$

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= $\sqrt{(-1-0)^2+(0+1)^2}$

= $\sqrt{2}$

Scale factor = $\frac{7\sqrt{2} }{\sqrt{2} }$

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