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3 years ago

I need help it needs to be done today but i dont know the answer

Mathematics

2 answers:

Alchen [17]3 years ago

6 0

Please elaborate (I need some sort of question)

GrogVix [38]3 years ago

4 0

Do you have an image?

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Reflect polygon P using line L

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Step-by-step explanation:

Top right point, count how many units it is from the reflective line. Then count that many units on the other side and place the point. So on so forth.

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Which statement correctly describes the relationship between the lengths of the sides of the triangle shown below?

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3 years ago

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What is 8+w/4 when w =16

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Step-by-step explanation:

8+w/4, when w=16

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3 years ago

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Sixty-eight percent of adults in a certain country believe that life on other planets is plausible. You randomly select five adu

Pavlova-9 [17]

Answer:

Mean = 3.4

Variance = 1.088

Standard deviation = 1.0431

Step-by-step explanation:

$P=0.68\\ \\N=5$

The mean of a binomial distribution with parameters N (the number of trials) and p (the probability of success for each trial) is $m=N\cdot p$

Thus,

$m=5\cdot 0.68=3.4$

The variance of the binomial distribution is $s^2=Np(1-p)$ , where $s^2$ is the variance of the binomial distribution, so

$s^2=5\cdot 0.68\cdot (1-0.68)=3.4\cdot 0.32=1.088$

The standard deviation $s$ is the square root of the variance $s^2,$ so

$s=\sqrt{1.088}\approx 1.0431$

3 0

3 years ago

I need help it needs to be done today but i dont know the answer​

I need help it needs to be done today but i dont know the answer