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Ahat [919]
3 years ago
11

There are 12 students in the gym class. If 4 students can sit on 1 bench, how many benches are needed for all students ?

Mathematics
2 answers:
Neporo4naja [7]3 years ago
8 0

Answer:

3 benches needed

Step-by-step explanation:

vaieri [72.5K]3 years ago
3 0

Answer:

3 benches

Step-by-step explanation:

4 people to one bench

12 people divided by 4 = 3 benches

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What you are looking at is a scalene triangle!

Step-by-step explanation:

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20 earth pounds on the moon
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20 earth pounds on the moon would equate to 3.31 pounds.
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What is the next sequence for 18,250, 18,500, 19,000, 20,000?
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Lunch break: In a recent survey of 655 working Americans ages 25-34, the average weekly amount spent on lunch was $43.5
Inga [223]

Using the Empirical Rule, it is found that:

  • a) Approximately 99.7% of the amounts are between $35.26 and $51.88.
  • b) Approximately 95% of the amounts are between $38.03 and $49.11.
  • c) Approximately 68% of the amounts fall between $40.73 and $46.27.

------------

The Empirical Rule states that, in a <em>bell-shaped </em>distribution:

  • Approximately 68% of the measures are within 1 standard deviation of the mean.
  • Approximately 95% of the measures are within 2 standard deviations of the mean.
  • Approximately 99.7% of the measures are within 3 standard deviations of the mean.

-----------

Item a:

43.5 - 3(2.77) = 35.26

43.5 + 3(2.77) = 51.88

Within <em>3 standard deviations of the mean</em>, thus, approximately 99.7%.

-----------

Item b:

43.5 - 2(2.77) = 38.03

43.5 + 2(2.77) = 49.11

Within 2<em> standard deviations of the mean</em>, thus, approximately 95%.

-----------

Item c:

  • 68% is within 1 standard deviation of the mean, so:

43.5 - 2.77 = 40.73

43.5 + 2.77 = 46.27

Approximately 68% of the amounts fall between $40.73 and $46.27.

A similar problem is given at brainly.com/question/15967965

8 0
3 years ago
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Sarah has 2 apples bob eats 1 how much does sarah have after bob ate one
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Answer:

sarah has 1 apple left

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3 years ago
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