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Vitek1552 [10]
3 years ago
7

3. Maryia wants to save money on a new computer. At the store near her,

Mathematics
1 answer:
nignag [31]3 years ago
3 0

Answer:

A

Step-by-step explanation:

So, what is happening is that the sale would put the computer on 4/5 the original price, since 1/5 of the price is being taken away in the sale.

4 divided by 5 is 0.8, and 0.8 times 400 is 320.

Hope this helps!

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Factor the expression:
Dovator [93]

Answer:

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Step-by-step explanation:

The expression can be treated as the difference of squares, and factored accordingly. That factoring is ...

  a² -b² = (a -b)(a +b)

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Here, we have ...

  a² -b² = 16x² -(-25)

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Then the factoring is ...

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3 years ago
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Answer:

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Step-by-step explanation:

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Plug the variables in and solve.

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