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olga_2 [115]
3 years ago
6

1. Divide 6/13 by 6/12 A. 12/13 B. 1/12 C. 13/12 D.916

Mathematics
2 answers:
pickupchik [31]3 years ago
7 0

Answer:

C

Step-by-step explanation:

\frac{6}{13}÷\frac{6}{12}  can also be \frac{6}{13}×\frac{12}{3} and \frac{6}{13}×\frac{12}{3}=13/12

Lesechka [4]3 years ago
5 0

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

\frac{6}{13}136 ÷\frac{6}{12}126  can also be \frac{6}{13}136 ×\frac{12}{3}312 and \frac{6}{13}136 ×\frac{12}{3}312 =13/12

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Step-by-step explanation:

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Factor completely<br> n^4 +8n^2 + 15 =
nata0808 [166]

Answer:

The factor form is n^4+8n^2+15 = \quad \left(n^2+3\right)\left(n^2+5\right)

Step-by-step explanation:

When it is required to factor the expression given in the problem, we have to first find a common term or terms, which will be found by either grouping the like terms or the splitting of the terms.

Now the expression that is given here is:

n^4 +8n^2 + 15

Now, here we will take:

u=n^2

Thus we will get:

n^4 +8n^2 + 15\\=u^2+8u+15

Now we will do the middle term split as follows:

u^2+8u+15\\=\left(u^2+3u\right)+\left(5u+15\right)\\=u\left(u+3\right)+5\left(u+3\right)\\=\left(u+3\right)\left(u+5\right)

Substituting back u=n^2 , we will have:

\left(u+3\right)\left(u+5\right)\\=\left(n^2+3\right)\left(n^2+5\right)

Hence, the required factor form of the given expression will be:

n^4+8n^2+15 = \quad \left(n^2+3\right)\left(n^2+5\right)

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4 years ago
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Step-by-step explanation:

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3 years ago
A bag of skittles contains 558 calories and serves 4.5 people. How many calories are in each serving?
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Answer:

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Step-by-step explanation:

558/4.5=124

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