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Vadim26 [7]
3 years ago
15

How many different four-person relay teams can be chosen from eight students

Mathematics
1 answer:
aliina [53]3 years ago
6 0
Slot method

8 optionns n 1st slot
7 options in 2nd slot (since 1 is at 1st slot)
6 options in 3rd slot
5 options in 4th slot

8*7*6*5=1680 ways
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The relationship between the number of hours a plumber works and the total work fee she charges is proportional. Her fee for 5 h
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Answer: $70 per hour

Step-by-step explanation:

Hi, to answer this question we have to calculate the hourly fee.

To do this, we simply have to divide the 5 hour fee price (350) by the number of hours worked.(5):

Mathematically speaking:

350/5 = $70 per hour

So, since the work fee is proportional, for x hours, the expression is:

70x

Feel free to ask for more if needed or if you did not understand something.

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3 years ago
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Andreyy89

Answer:

-1/3

Step-by-step explanation:

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