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sasho [114]
3 years ago
15

What are two composite numbers that each have 8 as a factor

Mathematics
1 answer:
Ierofanga [76]3 years ago
4 0
16 and 32
16: 8x2=16
32: 8x4=32
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A 3,000 piece of direct mailing cost 1,435. Printing cost is $550, about 31/2 times the cost of typesetting. How much did the ty
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Answer:

The typesseting cost $ 35.48.

Step-by-step explanation:

Given that a 3,000 piece of direct mailing cost $ 1,435, and printing cost is $ 550, about 31/2 times the cost of typesetting, to determine how much did the typesetting cost the following calculation must be performed:

31/2 = 15.5

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ozzi

The answer would be negative 2.

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Factor completely<br> n^4 +8n^2 + 15 =
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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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Step-by-step explanation:

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