2 years ago

A survey is conducted to find out the average number of hours

1 answer:

riadik2000 [5.3K]2 years ago

5 0

Americans work an average of 34.4 hours per week. The average hours per week worked varies based on gender, marital status, and race.

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For her exercise today, Keiko plans to both run and swim. Let r be the number of laps she runs and let s be the number of laps s

DerKrebs [107]

Answer:

5r + 3s ≥ 30

Step-by-step explanation:

We know Keiko wants to do exercise at least 30 minutes a day, and she wants ideally to mix up the activities, by combining running and swimming into her schedule.

Since each lap she runs takes 5 minutes and each lap she swims takes 3 minutes, these will be the left side of the inequality:

5r + 3s

She wants to exercise at least 30 minutes a day, so...

5r + 3s ≥ 30

she could do 3 laps of running and 5 laps of swimming for example.

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Enter the value that makes the given equation true. Y+396.23 =574.54

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574.54-396.23= 178.31
So Y=178.31

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a playground is 750 M long and 250 m broad find the cost of levelling at rupees 16 per 100 square metres

barxatty [35]

Answer:

Area of play ground = Length × Breadth = 750 × 250 = 187500. a Cost of levelling the ground = 187500 × 16 100 = Rs . 30000

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