3 years ago

Express 18 girls out of 30 students as a fraction in simplistic form

Mathematics

1 answer:

Wewaii [24]3 years ago

5 0

Answer:

18/30 = 9/15 = 3/5

Step-by-step explanation:

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A school director must randomly select 6 teachers to part in a training session. There are 34 teachers at school. In how many di

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Answer:

Total possible ways to select 6 teachers from 34 teacher are $^{34}C_6=1344904$ .

Step-by-step explanation:

It is given that total number of teachers at a school is 34.

The school director must randomly select 6 teachers to part in a training session.

$^nC_r=\frac{n!}{r!(n-r)!}$

Where, n is total possible outcomes and r is number of selected outcomes.

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$^{34}C_6=\frac{34\times 33\times 32\times 31\times 29\times 28!}{6!(28)!}$

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Therefore total possible ways to select 6 teachers from 34 teacher are $^{34}C_6=1344904$ .

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