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Naya [18.7K]
3 years ago
6

Last one I promise! >

Mathematics
2 answers:
asambeis [7]3 years ago
6 0
41? It’s been a while since I did those!
levacccp [35]3 years ago
4 0

Answer:

36

Step-by-step explanation:

A = 36

A = w l = 4.9 = 36

Pls add brainliest I need last one to get Expert

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Serena wants to solve the following system of equations in the most efficient way.
Marianna [84]

Answer:

Serina should have solved for x in the second equation because it has a coefficient of 1.

Step-by-step explanation:

we have

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x+7y=31 ---> equation B

we know that

To solve the system of equations in the most efficient way, solve for x equation B and then substitute the value of x in equation A

so

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substitute equation C in equation A

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solve for y

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Find the  value of x

substitute the value of y in the equation C

x=31-7(4)=3

The solution is (3,4)

therefore

Serina should have solved for x in the second equation because it has a coefficient of 1.

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3 years ago
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Aladdin wants to purchase some new magic carpets for Jasmine. He goes to Magic Carpets R Us and is able to get 16 magic carpets
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Answer:

$18 for each carpet.

Step-by-step explanation:

This is how I did it.

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