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Luden [163]
3 years ago
12

-3(4x − 2) = 6x + 14 ​

Mathematics
2 answers:
mylen [45]3 years ago
8 0

-12x+6=6x+14

-12x-6x=15-6

6x=15-5

6x-9/6=

6

x=3/2

AnnZ [28]3 years ago
4 0

Answer:

x = -4/9

Step-by-step explanation:

-3(4x − 2) = 6x + 14 ​

Distribute

-12x+6 = 6x+14

Add 12x to each side

-12x+6+12x = 6x+14+12x

6 = 18x+14

Subtract 14 from each side

6-14 = 18x

-8 =14x

Divide each side by 14

-8/14 = 14x/14

-4/9 = x

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Answer:

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Step-by-step explanation:

7 0
3 years ago
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>

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3 years ago
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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