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KonstantinChe [14]
3 years ago
12

How many ways can we choose 5 questions from an exam containing 12 questions

Mathematics
2 answers:
Vika [28.1K]3 years ago
8 0

Answer:

Step-by-step explanation:

12C5 ways.

stealth61 [152]3 years ago
7 0

Answer:

792

Step-by-step explanation:

Counting Combination

C(n,r)=\frac{n!}{r!(n-r)!}

C(12,5)=\frac{12!}{5!(12-5)!}

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The population of a small town was 10,800 in 2002. Since then the population has decreased at a rate of 2.5% each year. Write an
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Answer:

See below

Step-by-step explanation:

A 2.5 % decrease means  97.5 % remains (.975)

population =  10800 ( .975) ^n     where n = years past 2002

  in 2020    n = 18

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6 0
2 years ago
Joyce can type 60 words in five minutes. Robert can type 48 words in six minutes words who type at the faster and how many words
erik [133]

Answer:

joyce

Step-by-step explanation:

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3 years ago
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Step-by-step explanation: hope it helps

3 0
3 years ago
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valentina_108 [34]

Answer:

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Step-by-step explanation:

For the midsegment:

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3 0
3 years ago
Is 3 yards greater than less than or equal to 21 feet
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