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Anna [14]
3 years ago
13

Define a variable , write an inequality , and solve the problem:

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
8 0

Answer:

Step-by-step explanation:

n-4\le 8\\ \\ n\le 12

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Which of the following is a solution of 12 x - 7 &gt; 6?<br><br> -1<br> 0<br> 1<br> 2
Mkey [24]

Answer:

The answer to your question is "2"

Step-by-step explanation:

Data

       12x - 7 > 6

Process

1.- Add +7 in both sides of the inequality

       12x - 7 + 7 > 6 + 7

2.- Simplify

       12x >  13

3.- Divide by 12 both sides

         12x/12 > 13/12

                 x > 13/12    or   x >  1.08  

4.- Conclusion

     All the numbers higher than 1.08 are solutions of this inequality

    Then, from the choices, the only possible solution is 2.                          

5 0
3 years ago
What is the mean of the data set?<br> 108, 305, 252, 113, 191
irinina [24]

Go to the third pic for your answer. I got problem 4 wrong but it shows the correct answer.

7 0
3 years ago
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On friday morning, the tempurature dropped 2 degrees per hour for 4 hours. Write and solve and equation to find the total number
sukhopar [10]
Minus 2 degrees every hour 
there are 4 hours
d=degrees dropped
- 2 x 4 = d
4 0
3 years ago
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An electrical power plant burns 285 barrels of oil each day to
frosja888 [35]

Answer:

11970 barrels of oil

Step-by-step explanation:

1 day use 285 barrels of oil

6 weeks = 6*7 = 42 days

42 days use: 42 * 285 = 11970 barrels of oil

Hope this help you :3

8 0
3 years ago
Approximate each irrational number to the nearest thousandth. <br> ✔5<br> ✔19<br> ✔99<br> ✔42
xenn [34]

Answer:

look down

Step-by-step explanation:

the square root of 5 is : 2.2360679775

rounded to the nearest thousandth is 2.236

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the square root of 19 is: 4.35889894354

rounded to the nearest thousandth is 4.359

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the square root of 99 is: 9.94987437107

rounded to the nearest thousandth is 9.950

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the square root of 42 is: 6.48074069841

rounded to the nearest thousandth is 6.481

hope this helps :)

5 0
3 years ago
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