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docker41 [41]
3 years ago
14

A class has 20 students.the teacher divides them into teams of 4 students.how many teams are there?

Mathematics
2 answers:
mamaluj [8]3 years ago
7 0
The answer is 5, there are 5 teams.
marshall27 [118]3 years ago
4 0

Answer:

5

Step-by-step explanation:

20 divided by 4 equals 5

or

4 times 5 equals 20

or

4+4+4+4+4=20

or

5+5+5+5=20

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Help me ASAP plz!!!!
elena55 [62]
(2, -1), (6,- 4), and (6, -1). Hope this helps man!
6 0
3 years ago
Read 2 more answers
Find variable y<br> : -90=5y-20
NeTakaya

-90= 5y-20

-90+20= 5y-20+20

-70=-5y

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y= 14

7 0
3 years ago
Use the Central Limit Theorem to find a mean given a probability Question A video game company sells an average of 132 games a m
aev [14]

Answer:

The number of games must a store sell in order to be eligible for a reward is 135.

Step-by-step explanation:

Let the random variable <em>X</em> represent the number of video games sold in a month by the sores.

The random variable <em>X</em> has a mean of, <em>μ</em> = 132 and a standard deviation of, <em>σ</em> = 9.

It is provided that the company is looking to reward stores that are selling in the top 7%.

That is, P (\bar X > \bar x) = 0.07.

The <em>z</em>-score related to this probability is, <em>z</em> = 1.48.

Compute the number of games must a store sell in order to be eligible for a reward as follows:

z=\frac{\bar x-\mu}{\sigma/\sqrt{n}}

\bar x=\mu+z\cdot \sigma/\sqrt{n}

   =132+1.48\times (9/\sqrt{36})\\\\=132+2.22\\\\=134.22\\\\\approx 135

Thus, the number of games must a store sell in order to be eligible for a reward is 135.

5 0
3 years ago
Mandy built a pyramid for her project on Egypt with a volume of 483
emmainna [20.7K]

Answer

We have,

Volume of pyramid = 4834 in³

Base area of the pyramid = ?

Assuming height of the pyramid = 20 in

We know that

Volume of pyramid =\dfrac{hlw}{3}  

           4834=\dfrac{20\time lw}{3}  

           l w = 725.1 in²

Hence, area of the base of the pyramid is equal to 725.1 in².

4 0
3 years ago
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