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horsena [70]
3 years ago
15

Bored send me messages

Mathematics
2 answers:
LenaWriter [7]3 years ago
6 0

Answer:

whats up

Step-by-step explanation:

whats up

aleksandrvk [35]3 years ago
3 0

Answer:

About what though???????

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Help me !! 10/7 x 9/8 7/9 x 8/10
FromTheMoon [43]

Answer:

Step-by-step explanation:

10/7 x 9/8 = 90/56 = 45/28.

7/9 x 8/10 = 56/90 = 28/45

If you want to multiply these, the answer is (28*45) / 28/45) = 1.

5 0
2 years ago
Read 2 more answers
About 3% of the population has a particular genetic mutation. 600 people are randomly selected.
Annette [7]

Answer:

<em>Standard deviation  for the number of people with the genetic mutation = 4.178</em>

Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given random sample size 'n' =600

proportion of the Population 'p'=3% or  0.03

Let 'X' be the random variable in binomial distribution

Mean of the  binomial distribution

                              μ = n p

                                 = 600 X 0.03

                                = 18

<em>Mean of the  binomial distribution ' μ ' =18</em>

<em>Standard deviation of the binomial distribution</em>

<em>                                 σ = </em>\sqrt{npq} = \sqrt{600 X 0.03 X 0.97} = \sqrt{17.46} = 4.178

<u><em>Conclusion:</em></u><em>-</em>

<em>Standard deviation  for the number of people with the genetic mutation = 4.178</em>

8 0
3 years ago
If the pottery maker works 6 hours each day,how long does it take to make 1 vase
nlexa [21]
The answer is A. he can make 1 in 2 hours
6 0
3 years ago
Read 2 more answers
42×4/7 how do this problem
vlada-n [284]
Convert to:

42        4         168
----  x  ----  =   ------
 1         7           7
5 0
3 years ago
An elephant can run one over four mile in 36 seconds. Which of the following correctly shows this rate as miles per hour?
Ainat [17]

Answer:

C. One-fourth mile over thirty-six seconds = 25 miles per hour.

We have been given that an elephant can run one over four of a mile in 36 seconds.

To find elephant's rate in miles per hour, we will convert our given time in hours as shown below:

Therefore, option C is the correct choice.

Step-by-step explanation:

  • 144
7 0
3 years ago
Read 2 more answers
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