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Ulleksa [173]
3 years ago
11

−7(−2x+6) Select one: −9x−42 14x+6 14x−42 −14x−42

Mathematics
2 answers:
Ipatiy [6.2K]3 years ago
8 0
The answer is -14x-42
Distribute -7
(-7.-2x)+(-7.6)
-14x-42
saveliy_v [14]3 years ago
5 0

Answer:

14x-2 is answer

Step-by-step explanation:

may be this is helpful!

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Ganezh [65]

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3.14 times 16 divided by 3
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Answer:

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Step-by-step explanation:

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50.24 \div 3

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16.746667

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2 years ago
Unknown to a medical researcher, 6 out of 25 patients have a heart problem that will result in death if they receive the test dr
Fiesta28 [93]

Using the hypergeometric distribution, it is found that there is a 0.0002 = 0.02% probability that exactly 6 patients will die.

<h3>What is the hypergeometric distribution formula?</h3>

The formula is:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}

C_{n,x} = \frac{n!}{x!(n-x)!}

The parameters are:

  • x is the number of successes.
  • N is the size of the population.
  • n is the size of the sample.
  • k is the total number of desired outcomes.

The values of the parameters for this problem are:

N = 25, k = 6, n = 8.

The probability that exactly 6 patients will die is P(X = 6), hence:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}

P(X = 6) = h(6,25,8,6) = \frac{C_{6,6}C_{19,2}}{C_{25,8}} = 0.0002

0.0002 = 0.02% probability that exactly 6 patients will die.

More can be learned about the hypergeometric distribution at brainly.com/question/24826394

#SPJ1

8 0
1 year ago
Please help me solve this
Rashid [163]

Answer:

??????????????

Step-by-step explanation:

,nooooooo

8 0
2 years ago
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