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dmitriy555 [2]
3 years ago
13

I really need help with this one

Mathematics
2 answers:
babunello [35]3 years ago
7 0

Answer:

20pi in

Step-by-step explanation:

The formula for the circumference of a circle is 2\pi r

R is radius

2 * pi * 10

20 pi

Units - 20 pi in.

olga55 [171]3 years ago
5 0

Answer:

i thinh 20 in

Step-by-step explanation:

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sladkih [1.3K]

Answer:

5\,x^{10}-80\,x^2=5\,x^2\,(x^4+4)(x^2-2)(x^2+2)

Step-by-step explanation:

First, extract the greatest common factor of the numerical as well as the variable parts:

the GCF of 5 and 80 is "5", and the GCF between x^{10}and x^2 is  x^2 , then:

5\,x^{10}-80\,x^2=5\,x^2\,(x^8-16)

Now, we can re-write the binomial in parenthesis as a difference o squares to be able to factor out even further:

x^8-16=(x^4)^2-4^2=(x^4-4)(x^4+4)

we now repeat the process for the binomial difference:

(x^4-4)=((x^2)^2-2^2)=(x^2-2)(x^2+2)

So finally the complete factorization is:

5\,x^{10}-80\,x^2=5\,x^2\,(x^4+4)(x^2-2)(x^2+2)

4 0
4 years ago
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Alex787 [66]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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C

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