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Alekssandra [29.7K]
3 years ago
5

( First 5 questions. ) Which of the following ordered pairs is a solution of the given system of linear equations?

Mathematics
1 answer:
Mrac [35]3 years ago
6 0
1. (3,-2)

2. (-5,-4)

3. (-20,11)

4. (2,3)

5. (13/7, 40/7)
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What is the solution to the inequality 2n+5| > 1?
hodyreva [135]

Answer:

n < - 3 or n > - 2

Step-by-step explanation:

Inequalities of the type | x | > a , have solutions of the form

x < - a or x > a

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3 0
3 years ago
Geraldo recently saw a newspaper ad for a new version of his laptop. the projected price is $400.00, and the laptop will be out
Tanya [424]

The amount he had to pay if he have to purchase a laptop today that is the same value as the one he saw in the ad is $ 390.24.

Given that:-

Price of the laptop after 1 year = $ 400.

Inflation rate = 2.5 %

We have to find the amount he had to pay if he have to purchase a laptop today that is the same value as the one he saw in the ad.

Let the price he had to pay be x.

Hence, we can write,

x + (x*(2.5)*1)/100 = 400

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x = 400*40/41 = $ 16000/41 = $ 390.24.

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