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Sveta_85 [38]
2 years ago
5

Identifying equivalent expressions

Mathematics
1 answer:
padilas [110]2 years ago
7 0

Step-by-step explanation:

option 1st and option 3rd

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3+7(0.7+1.3)<br> What is the answer and how to solve it?
quester [9]
When you see this kind of question use « BODMAS »
1.Add the 2 digits which is 3+7=10
2.Add the digits inside which is 0.7+1.3=2
3.Add the inside and outside
3+7(0.7+1.3)
10(2)=20
5 0
2 years ago
A grain silo is in the shape of a cylinder. The area of the circular roof is 803.84 square feet. If 13,665.28 cubic feet of grai
Svetlanka [38]

Answer:

Step-by-step explanation:

8 0
4 years ago
Solve 3x - 12 = 3x + 4<br> REALLY need help with this!!!<br> Please show ALL of your work<br> :)
bazaltina [42]

Answer: It has no solution.


Step-by-step explanation:

3x - 12 - 4 = 3x + 4 - 4

3x - 8 = 3x

3x - 8 - 8 = 3x - 8

we can't subtract 3x-8

Doesn't add up; they need to have one solution or more for it to work.

7 0
3 years ago
Assume you know that a hot-air balloon is currently inflated with a certain amount of air and that the amount is a percent of th
Gemiola [76]

Answer:

<u>Percent air is calculated as:</u>

  • Percent air = Current amount/Total amount *100

<u>Solve for total amount of air:</u>

  • Total amount  = Current amount / Percent air * 100

Substitute the values in hand to get the answer

3 0
3 years ago
I don't want the answer, but I want to know how you got that answer.
anastassius [24]

Answer:

n = 5

Step-by-step explanation:

4n+5n+15=5n+7n\\\\9n+15=12n\\\\9n+15-15=12n-15\\\\-3n=-15\\\\\frac{-3n=-15}{-3}\\\\ \boxed{n=5}

Hope this helps.

8 0
3 years ago
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