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Alex787 [66]
2 years ago
10

PLEASE HELP THIS IS A TEST IT NEEDS TO BE DONE FAST AND CORRECTLY!

Mathematics
1 answer:
frutty [35]2 years ago
7 0

Answer:

A

Step-by-step explanation:

(-7,1)

I hope this helped <3

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AleksandrR [38]

Answer:

80%

Step-by-step explanation:

Please consider the complete question:

Micah is preparing for a piano recital. He practices for 50 minutes on Monday and  90 minutes on Wednesday. By how much did she increase the time she practiced each day?

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\text{Percent change}=\frac{\text{Final value}-\text{Initial value}}{\text{Initial value}}\times 100\%

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\text{Percent change}=\frac{40}{1}\times 2\%

\text{Percent change}=80\%

Therefore, Micah had increased the time by 80%.

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