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Step2247 [10]
3 years ago
12

How many different committees of 4 people can be chosen from a group of 21?

Mathematics
1 answer:
sdas [7]3 years ago
4 0

Answer:

There are 21 ways to choose the first person, 20 ways to choose the second, 19 ways for the third and 18 ways for the fourth so the answer is 21 * 20 * 19 * 18 = 143640.

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Answer:

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3(x+4)

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Choice of 1 of 3 pies and choice of 1 of 3 drinks how many ways can you order
solong [7]

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3 years ago
What are the solutions to the system of equations? y=−x^2−5x−6 x+y=−3
Dmitriy789 [7]

Answer:

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Step-by-step explanation:

we have

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see the attached figure

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3 years ago
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bija089 [108]

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6 0
2 years ago
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Alla [95]

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Step-by-step explanation:

<u>Given</u>

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5 - 1 = 1 + b - 1

\boxed{b=4}

Hope this helps!! :)

Please let me know if you have any questions

3 0
3 years ago
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