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Gemiola [76]
4 years ago
7

A gallery has 25 paintings in its permanent collection, with display space for 10 at one time. How many different collections ca

n be shown?
Mathematics
2 answers:
harkovskaia [24]4 years ago
8 0

Answer:

I just did it on edg

Step-by-step explanation:

The correct answer is D

3,268760

Hope this helps

Please mark me as Brainliest

Anastaziya [24]4 years ago
6 0
You need to know in how many ways you can choose 10 out of 25 items when order does not matter. This is a combination problem.

_{n}C_{r} =  \dfrac{n!}{(n - r)!r!}

_{25}C_{10} =  \dfrac{25!}{(25 - 10)!10!}

_{25}C_{10} =  \dfrac{25 \times 24 \times 23 \times 22 \times 21 \times 20 \times 19 \times 18 \times 17 \times 16 \times 15!}{15! \times 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1}

_{25}C_{10} =  \dfrac{25 \times 24 \times 23 \times 22 \times 21 
\times 20 \times 19 \times 18 \times 17 \times 16}{10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 
\times 2 \times 1}

_{25}C_{10} =  \dfrac{23 \times 11 \times 20 \times 19 \times 2 \times 17}{1}

_{25}C_{10} = 23 \times 11 \times 20 \times 19 \times 2 \times 17

_{25}C_{10} = 3,268,760

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The answer must be B because the rest are not possible.

Step-by-step explanation:

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Answer:

Step-by-step explanation:

Let the number  = x

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hope this helps! :)))
4 0
3 years ago
GEOMETRY:
iragen [17]

Answer:

See explanation

Step-by-step explanation:

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