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timama [110]
2 years ago
10

How many different committees can be formed from 6 teachers and 37 students if the committee consists of 4 teachers and 4 ​stude

nts?
The committee of 8 members can be selected in
BLANK different ways.
Mathematics
1 answer:
Anna [14]2 years ago
4 0

Answer:

The committee of 8 members can be selected in 990,675 different ways.

Step-by-step explanation:

The order in which the teachers and the students are chosen is not important, which means that the combinations formula is used to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

4 teachers from a set of 6.

4 students from a set of 37.

Then

T = C_{6,4}C_{37,4} = \frac{6!}{4!2!} \times \frac{37!}{4!33!} = 990675

The committee of 8 members can be selected in 990,675 different ways.

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3 years ago
Volunteers helped clean up 8.2 kg of trash in one neighborhood and 11 1/2 kg in another. They sent 1 1/4 kg to be recycled and t
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Answer: 18.45\ kg or 18\frac{9}{20}\ kg

Step-by-step explanation:

We can convert from mixed numbers to decimal numbers:

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19.7\ kg-1.25\ kg=18.45\ kg or 18\frac{9}{20}\ kg

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