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3 years ago

. If a person makes $12.00 per hour, and twice that much if they work more than 35 hours in a week,

Mathematics

1 answer:

german3 years ago

7 0

The person will make $588 for 42 hours.

Step-by-step explanation:

Given,

Per hour pay = $12.00

Twice pay = 12.00*2 = $24.00

Total time = 42 hours

According to given statement;

For the first 35 hours, they pay will be $12.00 and more than that $24.00

42 hours can also be written as;

42 hours = 35 hours + 7 hours

Pay for 35 hours = $35*12.00=\$420$

Pay for additional 7 hours = $7*24.00=\$168$

Total pay for 42 hours = Pay for 35 hours + Pay for 7 hours

Total pay for 42 hours = 420+168 = $588

The person will make $588 for 42 hours.

Keywords: addition, multiplication

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2 years ago

The table below shows data from a survey about the amount of time students spend doing homework each week. The students were in

nadezda [96]

Answer:

The correct option is;

Both spreads are best described by the standard deviation

Step-by-step explanation:

The given information are;

, College High School

High, 20 20

Low, 6 3

Q₁, 8 5.5

Q₃, 18 16

IQR, 10 10.5

Median, 14 11

Mean, 13.3 11

σ, 5.2 5.4

Checking for outliers, we have

College

Q₁ - 1.5×IQR gives 8 - 1.5×10 = -7

Q₃ + 1.5×IQR gives 18 + 1.5×10 = 33

For high school

Q₁ - 1.5×IQR gives 5.5 - 1.5×10.5 = -10.25

Q₃ + 1.5×IQR gives 16 + 1.5×10.5 = 31.75

Therefore, there are no outliers and the data is representative of the population

From the data, for the college students, it is observed that the difference between the mean, 13.3 and Q₁, 8, and between Q₃, 18 and the mean,13.3 is approximately the standard deviation, σ, 5.2

The difference between the low and the high is also approximately 3 standard deviations

Therefore the college spread is best described by the standard deviation

Similarly for the high school students, the IQR is approximately two standard deviations, the difference between the mean, 11 and Q₁, 5.5, and between Q₃, 16 and the mean,11 is approximately the standard deviation, σ, 5.4

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Zarrin [17]

Answer:

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Step-by-step explanation:

3297+365=3662

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3662-2413=1249$

i hope u understand