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jekas [21]
3 years ago
15

Where is the blue dot on the number line?

Mathematics
1 answer:
Elenna [48]3 years ago
3 0

Answer:

4.9

Step-by-step explanation:

each line increases an incriment

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Step-by-step explanation:

(x^2-y^2)^2\\\\\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\=(x^2)^2-2(x^2)(y^2)+(y^2)^2\\\\\text{use}\ (a^n)^m=a^{nm}\\\\=x^4-2x^2y^2+y^2\\-----------------------------

\text{Other solution}\\\\(x^2-y^2)^2\\\\\text{use}\ a^2-b^2=(a-b)(a+b)\\\\= [(x-y)(x+y)]^2\\\\\text{use}\ (ab)^n=a^nb^n\\\\=(x-y)^2(x+y)^2

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