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blondinia [14]
3 years ago
10

Simplify the expression: 5 + 8b - 5b

Mathematics
1 answer:
stira [4]3 years ago
6 0

Answer:

4+3b.............

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What is the radius of the bubble?
wariber [46]

Answer:

What is the radius of the bubble?

Step-by-step explanation:

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3 years ago
Asa saves dimes and quarters so that he will have exact change for he bus. He dabs and then dumps the container that he has been
koban [17]

Asa has 15 dimes and 32 quarters.

Step-by-step explanation:

Given,

Total coins = 47

Worth of coins = $9.50 = 9.50*100 = 950 cents

1 dime = 10 cents

1 quarter = 25 cents

Let,

Number of dimes = x

Number of quarters = y

According to given statement;

x+y=47      Eqn 1

10x+25y=950   Eqn 2

Multiplying Eqn 1 by 10

10(x+y=47)\\10x+10y=470\ \ \ Eqn\ 3

Subtracting Eqn 3 from Eqn 2

(10x+25y)-(10x+10y)=950-470\\10x+25y-10x-10y=480\\15y=480

Dividing both sides by 15

\frac{15y}{15}=\frac{480}{15}\\y=32

Putting y=32 in Eqn 1

x+32=47\\x=47-32\\x=15

Asa has 15 dimes and 32 quarters.

Keywords: linear equation, elimination method

Learn more about elimination method at:

  • brainly.com/question/2670657
  • brainly.com/question/2821386

#LearnwithBrainly

7 0
4 years ago
sandra raised 15 dollars for pta and nita raised 45 dollars how many times as much money did nita raise as compared to sandra​
OlgaM077 [116]

Answer:

3 times (3x)

Step-by-step explanation:

Sandra raised 15 dollars.

Nita raised 45

45 divided by 15 is 3

3 * 15 = 45

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3 years ago
Find the perimeter <br><br> 18<br> 34<br> 36<br> 40
Katyanochek1 [597]
I believe that it is 34
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3 years ago
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VARVARA [1.3K]

Step-by-step explanation:

3x - 2x + 8 = 12; x=4

Now, Evaluate the value of x

3(4) - 2(4) + 8 = 12

12 - 8 + 8 = 12

12 + 0 = 12

12 = 12

4 0
3 years ago
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