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MissTica
2 years ago
13

A random sample of 20 students yielded a mean of x 72

SAT
1 answer:
horsena [70]2 years ago
4 0

Answer:

1440

Explanation:

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Pls help this is due tonight and I need help
alina1380 [7]

Answer:

The average speed would be 10 seconds.

Explanation:

Hope this helps:)

3 0
2 years ago
Read 2 more answers
Your class has 27 students.
vivado [14]

Answer:

18

Explanation:

27 divided by 3 is 9. 9 times 2 equals 18.

3 0
3 years ago
Read 2 more answers
An ice skating competition features 8 skaters. How many different ways can the skaters finish the competition? how many differen
yan [13]

The number of ways the skaters can finish the competition is 40,320 ways

The different ways 3 of the skaters finish first, second and third is 56 ways

Given the following

  • Number of skaters featured = 8 skaters

If the skaters finish the competition, the number of different ways the skaters finish the competition is expressed as:

8! = 8*7*6*5*4*3*2

8! = 56*30*24

8! = 40,320.

The number of ways the skaters can finish the competition is 40,320 ways

If 3 of the skaters finish first, second and third, the number of ways this can be done is given as:

8C3 = 8!/(8-3)!3!

8C3 = 8!/5!3!

8C3 = 8*7*6*5!/5!3!

8C3 = 56 ways

Hence the different ways 3 of the skaters finish first, second and third is 56 ways

Learn more on combination here: brainly.com/question/11732255

8 0
2 years ago
Aaron is an independent journalist and content creator who specializes in long-form video essays that discuss economic concepts.
Ulleksa [173]

Answer:

The benefits are that Aaron will be more productive, which will lead to more output, as well as increased human capital as a result of his videos. The costs to Aaron are the time and money to take the course, along with any forgone income that could have been earned during this time.

Explanation:

If Aaron chooses to take the course, he will become better educated in his work, making economics content. However, the costs he will endure will be the cost of the course itself, the time to learn the new concepts, and the revenue he could have generated from making more videos instead of taking the time off to take the course.

The benefits society will gain if Aaron completes the course is being able to watch better quality videos made by Aaron. The videos will then help workers work more efficiently, increasing productivity and economic growth.

<em>Hope this helps!</em>

4 0
2 years ago
Hint
ira [324]

We have the expression <u>12h+30w</u> to represent an employees salary.

h represents the number of <u>hours worked</u>

w represents the number of <u>wagons sold</u>

<u />

To find the answer, simply insert the numbers given where their corresponding variables are in the expression.

12(6 hours) + 30(3 wagons)

(12*6) + (30*3)

72 + 90 = 162

So the employee earns $162

7 0
3 years ago
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