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tiny-mole [99]
3 years ago
9

Please help will mark brainliest

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
4 0

Answer:

I think its the first 3 and last one

brainliest pls

Step-by-step explanation:

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Charlotte’s weekly paycheck is based on the number of hours worked during the week and on the weekend. If she works 13 hours dur
Schach [20]
X: earn per  hour during the week
y: earn per hour during the weekend

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15x + 8y = 204.70

Multiply the first equation by 4 and the second equation by 7

52x + 56y = 1003.6
105x + 56y = 1432.90

Subtract the first equation from the second:

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x = 429.30/ 53
x = 8.10

Solve any of the equation for y:

15x + 8y = 204.70

y = [204.70 - 15(8.10)]/8 = 10.40

y - x = 10.40 -8.10 = 2.30

Answer: she earns $2.30 per hour more during the weekend than during the week.


8 0
3 years ago
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1.

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3 years ago
I don't care for an explanation PLEASE JUST HELP!!! It would mean a lot !!!! Thanks
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What is it maybe i can help?

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3 years ago
What is an equation of the that passes through the point (-2,-8) and has a slope of 3?
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Slope of 3 mean y=3x
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2 years ago
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A has the solution of -2/3.

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