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lesya [120]
3 years ago
5

Substitute r=3 and h=5 into the formula V=piR^2h then evaluate

Mathematics
2 answers:
Alekssandra [29.7K]3 years ago
7 0

V=\pi R^2h

It's the formula of a volume of a cylinder :)

Put the values of r = 3 and h = 5 to the formula:

V=\pi\cdot3^2\cdot5=\pi\cdot9\cdot5=45\pi

nikitadnepr [17]3 years ago
4 0

To evaluate when plugging in numerical values for variables, simply put the numerical values in the place of the corresponding variables:

V = \pi \cdot 3^2 \cdot 5

\boxed{V = 45\pi \approx 141.37}

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<h3>Answer:  2</h3>

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Explanation:

If a number only has one factor pair, then that number must be prime. This is because prime numbers only have factors of 1 and the number itself.

For instance, the value 7 is prime because the only factors of this are 1 and 7.

For something like the number 32, it is composite and not prime because it has the factors {1,2,4,8,16,32} and it leads to these three factor pairs: 1*32, 2*16, 4*8. This is one example showing why the answer isn't composite.

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Let's say that p is the unknown prime we want to find. The factors of this are 1 and p. We're told that "one of the factors is twice the other factor", so that must mean p = 2*1 = 2. We can see that 2 is twice that of 1.

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Step-by-step explanation:

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