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Nuetrik [128]
3 years ago
11

8x - 2 + 4x + 10 + 3x + 5 = 180

Mathematics
1 answer:
erik [133]3 years ago
5 0

Answer: 11\frac{2}{15}

Step-by-step explanation:

What you are trying to do is isolate the variable x. For you to do that you have to first simplify the left side of the equation and then you solve for x.

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Solve for a. Show your work (ALL steps must be shown): -2(a-3)=12
irga5000 [103]

Answer

a= -6

Step-by-step explanation:

-2(a-3)=12

1.) -2(a)= -2a

2) -2(-3)= 6

3)  -2a+6=12

          -6    -6

4) -2a/-2 = 12/-2

a = -6

3 0
3 years ago
Approximate the change in the volume of a right circular cylinder of fixed radius requals21 cm when its height decreases from he
Tasya [4]
The volume of the cylinder is given by:
 V = pi * r ^ 2 * h
 For h = 12cm:
 V1 = pi * ((21) ^ 2) * (12)
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 V2 = pi * ((21) ^ 2) * (11.9)
 V2 = 16486.76409 cm ^ 3
 The change in volume is given by:
 V1-V2 = 16625.30832-16486.76409
 V1-V2 = 138.54423 cm ^ 3
 Answer:
 the change in the volume is:
 V1-V2 = 138.54423 cm ^ 3
4 0
3 years ago
How to solve 2v 14=20
LuckyWell [14K]
2v+14=20
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She reads 4 timws as many pages as them together so you add the number of pages they eead them mhltiply it by 4 (1860+240)4=8400
8 0
3 years ago
Write a problem that by comparing feet and inches using a model.include a solution. Explain why are you changing from a larger u
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Change 4 feet to inches.

You need to know that for every feet, there are 12 inches. So, if you have 4 feet, you just multiply 4 by 12 and you will get 48 inches. Note that the feet unit is larger than inches.

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