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juin [17]
3 years ago
11

The sum of a certain number and -3.4 is -8.1 find the number​

Mathematics
2 answers:
Andrews [41]3 years ago
7 0

Answer:

Step-by-step explanation:

x= unknown number

-3.4 + x = -8.1

x=  -8.1 + 3.4

x= -4.7

hoped this helped :)

kirza4 [7]3 years ago
6 0
Answer:

-4.7

Explanation:

-4.7 + -3.4 = -8.1

I’m giving you an Integer Rule Cheat Sheet that I use. Hopefully it can help you with Math problems like this!

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Which statements can be used to justify the fact that two right angles are supplementary? Select two options.
agasfer [191]

Answer:

A right angle measures 90°.

A supplementary angle is twice the measure of a complementary angle.

Step-by-step explanation:

8 0
2 years ago
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2) A construction contractor used the equation 11.52=(1.44)8 to
Rina8888 [55]

Answer:

2.88

Explanation:

If you break down the equation we see that 8 is the number of boxes and 1.44 is the price of each box. So if you wanted to change the equation the formula would be: (1.44)x = cost so if you wanted to figure out how much 2 boxes would be, you just plug in 2 for x and you get (1.44)2 = 2.88

5 0
2 years ago
Solve 5n -14≤11 <br>*10 points*​
Sedbober [7]

Answer:

n ≤ 5

Step-by-step explanation:

First, we add 14 to both sides. This gets us 5n ≤ 25. Next, we divide both sides by 5. This gets us n ≤ 5. I hope this helps!

4 0
2 years ago
alan earned 200$ for 14 hours of work assuming he is paid by the hour how much will alan earn if he works 70 hours
In-s [12.5K]

Answer:

1,000

Step-by-step explanation:

200 divided by 14=14.285

14.285 times 70 equals 1000

7 0
3 years ago
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I need help! Pls can someone help ASAP!
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