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frosja888 [35]
3 years ago
15

What to the nearest whole number of 0.9

Mathematics
1 answer:
Colt1911 [192]3 years ago
6 0
The nearest whole number of 0.9 is 1
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Suppose that 5 out of 13 people are to be chosen to go on a mission trip. In how many ways can these 5 be chosen if the order in
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Step-by-step explanation:

Given:

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Let us use the permutation and combination to solve this problem

nCr=\frac{(n)!}{(n-r)!(r)!}

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13C_5=\frac{(13)!}{(13-5)!(5)!}

13C_5=\frac{(13 \times12 \times11 \times10 \times9 \times8\times7 \times6 \times5 \times4 \times3 \times2 \times1)}{(8 \times7 \times6 \times5 \times4 \times3 \times2 \times1)(5 \times4 \times3 \times2 \times1)}

13C_5=\frac{(13 \times12 \times11 \times10 \times9 )}{((5 \times4 \times3 \times2 \times1)}

13C_5=\frac{154440}{120}

13C_5= 1287

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Step-by-step explanation:

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The dots move up going to the right which makes it positive.

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