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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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3 0
3 years ago
8 5/9 + 3 5/6 + 6 4/9​
notsponge [240]

Answer:

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Step-by-step explanation:

3 0
3 years ago
a 4 sided cube, numbered 1-4, is rolled twice. Determine the sample space. how many possible outcomes are there?
kherson [118]

Answer:

16

Step-by-step explanation:

1        1

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1        3

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2        3  

2        4

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3 0
3 years ago
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RSB [31]

Answer:

12: 144

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As it fits all requirments.

5 0
2 years ago
Is an angle made of any 2 rays and why?
Kipish [7]
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4 0
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