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e-lub [12.9K]
2 years ago
12

Johnny measured the wading pool at the Belleville Community Center and calculated that it has a circumference of 6.28 meters. Wh

at is the pool's diameter?
Mathematics
1 answer:
Degger [83]2 years ago
6 0

Answer:

your mom

Step-by-step explanation:

im on top she is on the bottom <3

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Multiply 7 by 9 and you will get 63 which is x.
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Jenna multiplied four numbers together and then divided by -2. The result was a positive value.
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An odd number of factors were negative

Step-by-step explanation:

EXAMPLE: -3 × 4 × 8 × 2 = -192  then -192 ÷ -2 = 96

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Find y.....................................-3(7-5)=24
Dennis_Churaev [7]
Y=15 you welcome if you don't get ask
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Elisabeth reads 1/5 of her book in 1 1/2 hours. Elisabeth continues to read at this pace. How long does it take Elisabeth to rea
djverab [1.8K]

It will take her  5 5/8 hours to read 3/4 of the book

<h3>Ratio and proportions</h3>

Given that Elisabeth reads 1/5 of her book in 1 1/2 hours, this is expessed as:

0.2 of a book = 1.5 hours

In order to determine the time taken to read 0.75 part of the book, we will have:

0.75 of a book  = x

Take the ratios

0.2/0.75 = 1.5/x

0.2x = 1.125

x = 1.125/0.2

x =  5.625

Hence it will take her  5 5/8 hours to read 3/4 of the book

Learn more on ratio and proportion here: brainly.com/question/19994681

6 0
2 years ago
What is the measurement to the calculation to figure the numbers of pi
AlexFokin [52]

Answer:

There's a lot of them.

There are many different ways to calculate \pi. The ones used by computers to generate tons of digits are usually infinite series.

The series that has been prominent in recent records for the most digits of pi is the Chudnovsky algorithm.

The algorithm is this:

\frac{1}{\pi}=12\sum_{k=0}^{\infty}\frac{\left(6k\right)!\left(545140134k+13591409\right)}{\left(3k\right)!\left(k!\right)^3\left(640320\right)^{3k+\frac{3}{2}}}

For faster performance, it can be simplified to this:

\frac{426880\sqrt{10005}}{\pi}=12\sum_{k=0}^{\infty}\frac{\left(6k\right)!\left(545140134k+13591409\right)}{\left(3k\right)!\left(k!\right)^3\left(-262537412640768000\right)^k}

Other algorithms have been used, but right now this is the one that is being used to set the recent records.

There are also some approximations that are used because they are very easy to calculate.

first, \frac{22}{7} can be used to calculate a fairly accurate pi, but a better rational approximation is \frac{355}{113} This fraction is actually accurate to 6 digits and it is the best approximation of \pi in simplest form and with a denominator below 30,000.

There are several other approximations and if you want to learn more I would recommend looking at the Wikipedia page which has tons of algorithms for pi.

4 0
3 years ago
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