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3 years ago

5

Use the line plots to answer each question.

1 answer:

vladimir1956 [14]3 years ago

7 0

Hmmmm that’s a Good question

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kodGreya [7K]

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Step-by-step explanation:

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2 years ago

What is the value of 4C9 ?

vekshin1

The answer is 0

The formula is

n!/ r!(n-r)!

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2 years ago

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Hunter-Best [27]

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Step-by-step explanation:

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3 years ago

Read 2 more answers

How to know if a problem is permutation or combination?

vredina [299]

If the order matters it is a permutation. For example: if you are selecting 3 people to be on a committee it doesn't matter what order you select them, but if you're selecting three people to be president, vice president, and secretary the order in which you choose them matters the first person being president, the second person being vice president, and the third person be secretary

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2 years ago

The magnitude of vector a = (5,m) is 13 and the magnitude of vector b = (n, 24) is 25. What are m and n

Ulleksa [173]

Answer:

$m=12\,,n=7$

Step-by-step explanation:

The magnitude of vector $(x,y)$ is given by $\sqrt{x^2+y^2}$

The magnitude of vector $a=(5,m)$ is $13$ .

$\sqrt{5^2+m^2}=13\\5^2+m^2=13^2\\25+m^2=169\\m^2=169-25\\m^2=144\\m=12$

The magnitude of vector $b=(n,24)$ is $25$ .

$\sqrt{n^2+24^2}=25\\n^2+24^2=25^2\\n^2+576=625\\n^2=625-576\\n^2=49\\n=7$

Therefore,

$m=12\,,n=7$

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3 years ago