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geniusboy [140]
2 years ago
12

Jessica can swim a lap in 29 2/5 seconds, Marta can swim a lap in 28.7 seconds, Marta can swim a lap in 28.7 seconds, how much f

aster can Marta swim a lap than Jessica.
Mathematics
1 answer:
ivann1987 [24]2 years ago
6 0

Answer:

Marta can swim a lap 0.7 or seconds faster than Jessica

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Solve the system of equations:
PolarNik [594]

Answer:

D.(-1,-5) and (5,7)

Step-by-step explanation:

I used a graphing tool to graph the two equations together. When graphed, the equations intercept (5,7) and (-1,-5). Therefore, they are the solutions to the system.

Option D should be the correct answer.

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3 years ago
Your hourly salary increased from $15 to $22 what is the precent increase in your salary?
Elanso [62]

The percentage increase is 46%.

Original number/start = $15

End number = $22

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% increase = Increase ÷ Original Number × 100

Substitute in known values

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Divide

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Multiply

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Is x= -2 a solution to 3x-6-12?
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Actually x would be 6

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