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3 years ago

7

Probability of a zebra living longer than 32.2 years

1 answer:

Julli [10]3 years ago

5 0

1/30 the explanation is joe

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Use complete sentences to describe how logarithms can aid in difficult calculations.

Burka [1]

First, it is to be understood that logarithms allow a person to subject a number as an exponent of a base. As an example of ways in which logarithm is used to aid us in difficult calculations is when we calculate for the pH of a substance which has a formula of,
pH = -log[H+]

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3 years ago

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Licemer1 [7]

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3 years ago

Someone please help me I’ll give out brainliest please dont answer if you don’t know

spin [16.1K]

Answer:

6

Step-by-step explanation:

4(3)+(2)^2-(5)^2

12+4-10

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3 years ago

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3 years ago

The probability of an event - picking teams. About (a) 10 kids are randomly grouped into an A team with five kids and a B team w

LuckyWell [14K]

Answer: The required probability is $\dfrac{4}{9}$

Step-by-step explanation:

Since we have given that

Number of kids = 10

Number of kids in Team A = 5

Number of kids in Team B = 5

There are three kids in the group, Alex and his two best friends Jose and Carl.

So, number of favourable outcome is given by

$2(\dfrac{8!}{3!\times 5!})$

Total number of outcomes is given by

$\dfrac{10!}{5!\times 5!}$

So, the probability that Alex ends up on the same team with at least one of his two best friends is given by

$\dfrac{2(\dfrac{8!}{5!\times 3!)}}{\dfrac{10!}{5!\times 5!}}\\\\=2\times \dfrac{8!}{3!}\times \dfrac{5!}{10!}\\\\=\dfrac{4}{9}$

Hence, the required probability is $\dfrac{4}{9}$

3 0

3 years ago