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3 years ago

If I have a Pentagon shape and it's 33 centimeters long, what would be my Perimeter?

Mathematics

1 answer:

Oksana_A [137]3 years ago

4 0

The answer is 165. If you add 33 five times you get 165. Or you could do what i did and do 33 times 5.

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3 years ago

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3 years ago

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Answer:

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3 years ago

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konstantin123 [22]

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3 years ago

Last year, a person wrote 126 checks. Let the random variable x represent the number of checks he wrote in one day, and assume

Arisa [49]

Answer: The mean number of checks written per day $=0.3452$

Standard deviation $=0.5875$

Variance $=0.3452$

Step-by-step explanation:

Given : The total number of checks wrote by person in a year = 126

Assume that the year is not a leap year.

Then 1 year = 365 days

Let the random variable x represent the number of checks he wrote in one day.

Then , the mean number of checks wrote by person each days id=s given by :-

$\lambda=\dfrac{126}{365}\approx0.3452$

Since , the distribution is Poisson distribution , then the variance must equal to the mean value i.e. $\sigma^2=\lambda=0.3452$

Standard deviation : $\sigma=\sqrt{0.3452}=0.5875372328\approx0.5875$

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3 years ago