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Alinara [238K]
2 years ago
5

What is the solution if any, to the inequality 3-l4-nl>1?

Mathematics
1 answer:
atroni [7]2 years ago
8 0

Answer:

The solution to the inequality is all real values of n that respect the following condition: 2 < n < 6

Step-by-step explanation:

First, we need to separate the modulus from the rest of equation. So

3-l4-nl>1

-|4-n|>1-3

-|4-n|>-2

Multiplying everything by -1.

|4-n|<2

How to solve:

|x| < a means that -a<x<a

In this question:

|4-n|<2

-2<4-n<2

This means that:

4 - n > -2

-n > -6

Multiplying by -1

n < 6

And

4 - n < 2

-n < -2

Multiplying by 1

n > 2

Intersection:

Between n > 2 and n < 6 is 2 < n < 6

So the solution to the inequality is all real values of n that respect the following condition: 2 < n < 6

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We used the elimination method to find the ordered pair, (x,y), that represents the situation is (12,39).

Number of invoices = 51

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Charge for tree trimming = $54

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Let x and y represent number of installations and number of trimmings respectively.

Hence,

x + y = 51  ...(1)

375x + 54y = 6606

3 (125x + 18y) = 3*2202

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Multiplying (1) by 18, we get

18x + 18y = 918  ...(3)

(2) - (3)

107x + 0 = 1284

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To learn more about elimination method, here:-

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3 years ago
-0.4a + 3 = 7 <br> a=? <br> please help
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An artist used silver wire to make a square that has a perimeter of 40 inches. She then used copper wire to make the largest cir
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Answer:

The artist used 8.6\ in more of silver wire

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

we know that

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P=40\ in

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