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lapo4ka [179]
3 years ago
10

Identify:12 - 9 + 3a - 2a + 6b - 3b + b​

Mathematics
2 answers:
Kay [80]3 years ago
6 0

Answer:

i think the anwser is a+4b+3

Step-by-step explanation:

shusha [124]3 years ago
3 0

Answer: 3 + a + 10b

Step-by-step explanation: combine like terms

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On average, cody runs 4 miles in 38 minutes. How fast should he plan to run a 10-mile race if he maintains this place.
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Answer:

C

Step-by-step explanation:

10/4=2.5

2.5x38=95

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3 0
3 years ago
What is 67/100 as a decimal representation and a percent representation
bogdanovich [222]

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3 years ago
Use the elimination method to solve the system of equations. Choose the correct ordered pair<br>​
UkoKoshka [18]

Answer:

Answer is B

Step-by-step explanation:

12x - y = 25 \\ 9x + y = 17 \\ x =  \frac{17 - y}{9}  \\ 12( \frac{17 - y}{9} ) - y = 25 \\

\frac{204}{9}  -  \frac{12}{9} y - y = 25 \\  \frac{204}{9}  -  \frac{21y}{9}  = 25 \\  -  \frac{21y}{9}  = 25 -  \frac{204}{9}  \\  -  \frac{21y}{9} =  2.33 \\ - 21y =  20.997 \\ y =  - 0.99

y =  - 1 \\ x =  \frac{17 - y}{9}  \\ x =  \frac{17 -  - 1}{9}  =  \frac{18}{9}   \\ x = 2

5 0
3 years ago
Can you please help me please please thank you very much you please
kipiarov [429]

we know that

The unit rate is $0.65 per foot

so

To find out the cost, multiply the unit rate by the length of the rope

so

0.65*(10.8)=$7.02

therefore

<h2>The cost is $7.02</h2>
3 0
1 year ago
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