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ella [17]
3 years ago
13

What is the solution to the system of equations? Use any method you like, but be sure to show all work.

Mathematics
2 answers:
Orlov [11]3 years ago
6 0
Download photo math
It will give you the answer and show you how to do it but the answer is (x,y),(-2,1)
Andrej [43]3 years ago
6 0
(x,y)=(-2,1)
hope this helps

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Suppose that an experiment consists of flipping a coin 3 times and observing the resulting sequence of heads and tails. Find the
ki77a [65]

Using the binomial distribution, it is found that there is a 0.125 = 12.5% probability of observing exactly 3 tails.

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

The formula is:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

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

The parameters are:

  • x is the number of successes.
  • n is the number of trials.
  • p is the probability of a success on a single trial.

In this problem, considering 3 tosses of a fair coin, the parameters are n = 3 and p = 0.5.

The probability of 3 tails is P(X = 3), hence:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 3) = C_{3,3}.(0.5)^{3}.(0.5)^{0} = 0.125

0.125 = 12.5% probability of observing exactly 3 tails.

More can be learned about the binomial distribution at brainly.com/question/24863377

3 0
2 years ago
Whats the ratio of 100/450
Zolol [24]

the ratio of 100/450 is 600/2700

6 0
3 years ago
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The square root of 9x^3/5y^2 show your work. (Do not forget to rationalize the denominator)
Maslowich

Answer:

I believe it would be 9.

9–√2

=3

All roots:

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9 is a perfect square

5 0
3 years ago
F(x)=3x+4 and g(x) 4x^(2)-x <br> Find f(-5) and g(-2)
katovenus [111]
F(-5)=3(-5)+4=-11
g(-2)=4(-2)^2+2=18
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Module 6 What is the line of best fit? Why do we want the sum of the residuals to be as close to zero as possible?
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zero residual equals zero mean

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