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2 years ago

Pls help I’m failing I need this right Show your work

Mathematics

1 answer:

marta [7]2 years ago

4 0

13. You first would subtract 200 from 500 so you have 300. Then take 300 and divide it by 20 so you answer is it will take 15 weeks to get her to have a balance of $200. 20x + 200 = 500

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I can't figure it out. <br>2x+2y=2<br>-4x+4y=12<br>

koban [17]

Answer:

how to solve 2x+2y=2 , -4x+4y=12

this is solving equations using substitution .... i have ALOT more but i juss dnt get this stuff

2x + 2y = 2 -4x + 4y = 12

x + y = 1

x = 1 - y

-4x + 4y = 12

-4(1 - y) + 4y = 12

(-4 + 4y) + 4y = 12

-4 + 8y = 12

8y = 16

y = 2

2x + 2y = 2

2x + 2(2) = 2

2x + 4 = 2

2x = -2

x = -1

Check.

-4x + 4y = 12

-4(-1) + 4(2) = 12

4 + 8 = 12

Answer: x = -1 and y = 2

Step-by-step explanation:

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Step-by-step explanation:

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2 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Evaluate

pochemuha

Answer:

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Step-by-step explanation:

At x=0, the inequality tells you ...

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That is, ...

1 - f(0) = 1/2

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