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Svetlanka [38]
3 years ago
13

Solve. 3x + 3 = x + 7 The solution is x =

Mathematics
1 answer:
sergejj [24]3 years ago
4 0

Answer:

x=2

Step-by-step explanation:

3x+3=x+7

3x=x+4

2x=4

x=2

Hope this helps!

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A biased coin has a probability of 0.4 of coming up heads. What is the probability that when flipped one hundred times it comes
inn [45]

Using the binomial probability relation ; the probability that an head is obtained at least 50 times is 0.0271

<u>Using the binomial probability relation</u> :

  • P(x = x) = nCx * p^x * q^(n-x)
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P(x ≥ 50) = p(x = 50) + p(x = 51) + ...+ p(x = 100)

<u>Using a binomial probability calculator</u> :

P(x ≥ 100) = 0.0271

Therefore, the probability that atleast 50 heads are obtained in the trial is 0.0271

Learn more :brainly.com/question/12474772

5 0
3 years ago
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Answer:

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Hope I helped :)

6 0
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2 years ago
Helllppppp can’t find the answer!!!
alukav5142 [94]
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From the question, we know that
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