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Svetllana [295]
3 years ago
11

Match the situation to the correct expression. The sum of n and 40

Mathematics
1 answer:
lisov135 [29]3 years ago
3 0
The correct expression would be n+40
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lubasha [3.4K]
There are no real solutions to that equation.
8 0
2 years ago
Write an inequality that represents the situation below:
stellarik [79]

Answer:

4 ( x - 2) > 5

Step-by-step explanation:

I think that's the right answer

5 0
3 years ago
6<br> x<br> −<br> 5<br> y<br> =<br> 14<br><br> Find <br> x<br> when <br> y<br> =<br> 2
sattari [20]

Answer:

4

Step-by-step explanation:

3 0
3 years ago
A country will produce 3000 missiles this year. Each of the short-range missiles cost $200000 to produce. Each of the medium-ran
Lynna [10]

Answer:

$350,000

Step-by-step explanation:

Let's define:

  • s: amount of short-range missiles produced
  • m: amount of medium-range missiles produced
  • l: amount of long-range missiles produced

From the total production and the ratios we can write the following equations:

s + m + l = 3000

s/m = 3/3 = 1 = m/s

s/l = 3/4 or l/s = 4/3

Dividing the first equation by s, we get:

s/s + m/s + l/s = 3000/s

1 + 1 + 4/3 = 3000/s

10/3 = 3000/s

s = 3000*3/10 = 900

m = 900

l =  4/3*900 = 1200

From the money that the countries plans to use and each missile cost, we can write the following equation:

200,000*s + 300,000*m + cost*l = 870,000,000

Replacing with previous result:

200,000*900 + 300,000*900 + cost*1200 = 870,000,000

cost = (870,000,000 - 200,000*900 - 300,000*900)/1200 = 350,000

3 0
3 years ago
An internet service provider changes an initial fee of $65 and $18 per hour of labor for office internet installation. Which equ
OlgaM077 [116]
<h2>Answer:</h2><h2>The total cost (C) charged by the internet service provider = $65 + $18(n)</h2>

Step-by-step explanation:

Initial fee charged by the servic eprovider = $65

Cost per hour of labor for office internet installation = $18

The cost per hour be $18

Cost per two hours = 18 * 2 = $36

Cost per n number of hours = $18 (h)

where h represents the number of hours

The total cost (C) charged by the internet service provider = $65 + $18(n)

5 0
3 years ago
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