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o-na [289]
3 years ago
15

You roll a number cube once. what is the theoretical probability that you roll a 3 or 4?

Mathematics
1 answer:
yanalaym [24]3 years ago
4 0

Answer:

2/6 or 1/3

Each number has 1 /6 probability. But since you can accept either 3 or 4, the probability is better and is 2/6 or simplified to 1/3.

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What is the effect on the volume of a sphere if the radius is divided by 3?
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For this case we have by definition, that the volume of a sphere is given by:

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If the radius is divided by 3 we have:

\frac {r} {3}:

V = \frac {4} {3} \pi * (\frac {r} {3}) ^ 3\\V = \frac {4} {3} \pi * \frac {r ^ 3} {27}\\V = \frac {4} {81} \pi * r ^ 3

ANswer:

the volume decreases considerably because the denominator increases

6 0
3 years ago
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