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MaRussiya [10]
3 years ago
15

The area of a circle is 452.39 ft^2 . Why would the diameter have to be?

Mathematics
2 answers:
serg [7]3 years ago
4 0
I believe it would be 24ft.
MAVERICK [17]3 years ago
3 0
STEP 1:
Find the radius.

Area=πr^2
plug in the known numbers

452.39= (3.14)r^2
divide both sides by 3.14

452.39 ÷ 3.14= r^2

144.07= r^2
take the square root of 144.07 and r^2

12 feet= r


STEP 2:
multiply radius by 2 to equal diameter

Diameter= Radius * 2
Diameter= 12 feet * 2
Diameter= 24 feet


ANSWER: The diameter would be 24 feet.

Hope this helps! :)
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Assume that during each second, a job arrives at a webserver with probability 0.03. Use the Poisson distribution to estimate the
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Answer:

The probability that at lest one job will be missed in 57 second is=1- e^{-1.71} =0.819134

Step-by-step explanation:

Poisson distribution:

A discrete random variable X having the enumerable set {0,1,2,....} as the spectrum, is said to be Poisson distribution.

P(X=x)=\frac{e^{-\lambda t}({-\lambda t})^x}{x!}  for x=0,1,2...

λ is the average per unit time

Given that, a job arrives at a web server with the probability 0.03.

Here λ=0.03, t=57 second.

The probability that at lest one job will be missed in 57 second is

=P(X≥1)

=1- P(X<1)

=1- P(X=0)

=1-\frac{e^{-1.71}(1.71)^0}{0!}

=1- e^{-1.71}

=0.819134

6 0
3 years ago
What is the domain of the function represented in the graph?
alisha [4.7K]

Answer:

0-t-14

Step-by-step explanation:

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Write in point-slope form an equation of the line passing through (-4, 10) and (-6, 15). Show your work.
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Dottie’s art class began at 9:35 a.m. and ended at 1:42. How long was the art class? A. 3 hours, 7 minutes B. 4 hours, 7 minutes
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8 0
4 years ago
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Find the value of (-4)(6)(-7)<br> -178<br> 168<br> 178<br> -168
kakasveta [241]

<u><em>Answer:</em></u>

168

<u><em>Explanation:</em></u>

<u>Before we begin, remember the following:</u>

+ve * +ve = +ve                     -ve * -ve = +ve

+ve * -ve = -ve                       -ve * +ve = +ve

<u>Now, for the given problem we have:</u>

(-4) * (6) * (-7)

<u>Let's take the first two terms:</u>

(-4) * (6)

Based on the above rules, the product will be negative

<u>Therefore, </u>

(-4) * (6) = -24

<u>Now, the expression became:</u>

(-24) * (-7)

Again, based on the above rule, the product here will be positive

<u>Therefore,</u>

(-24) * (-7) = 168

Hope this helps :)

4 0
3 years ago
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