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4 years ago

There are 5 dogs and 3 cats per city block how many cats and dogs in 11 blocks

Mathematics

2 answers:

Lisa [10]4 years ago

6 0

The answer is 88 because if you add 5+3 and then multiply by 11, you would equal out to 88 dogs and cats

Allisa [31]4 years ago

3 0

11 x 5 = 55
11 x 3=33

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In how many ways can a committee of 5 people be chosen from a total of 30 possible people?

Stolb23 [73]

Answer: 142506

Step-by-step explanation:

Given : The total number of choices for people in committee = 30

The number of people need to be chosen =5

Since , here order doesn't matter, so we use combination.

The combination of r things taking from n at a time is given by :-

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

Now, the number of possible combinations of 5 people be chosen from a total of 30 possible people :-

$C(30,5)=\dfrac{30!}{(30-5)!5!}\\\\=\dfrac{30\times29\times28\times27\times26}{120}\\\\=142506$

Hence, the committee can be made in 142506 ways.

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3 years ago

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Elden [556K]

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3 years ago

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Natali [406]

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0.000058

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