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Veronika [31]
3 years ago
13

Of 15 possible​ books, you plan to take 6 with you on vacation. How many different collections of 6 books can you​ take?

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
6 0

Answer:

5005

Step-by-step explanation:

6 C 15

(6, 15)

15! / (6! x 9!)

The answer is 5005

C is just a way to say the order the books are picked in is random and ! means factorial. Factorial is when you multiply all the previous numbers up to the number it is. For example, 5! = 1 x 2 x 3 x 4 x 5 and 2! = 1 x 2

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40

Step-by-step explanation:

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SVETLANKA909090 [29]

Data:

15 16 14 15 19 17

n=6 points

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mean is 96/6 = 16

Now we look at the absolute deviations, each of which is the absolute value of a score minus the mean, basically the distance of the score to the mean .

Scores   15 16 14 15 19 17

AbsDev    1  0  2  1    3  1

The sum of the absolute deviations is 8 and there are six of them so the

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7 0
3 years ago
3. In the figure, c || d. What are the measures<br> of 1 and 2
dem82 [27]

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