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kotegsom [21]
2 years ago
7

How many ways can a president, vice-president, and secretary be chosen from a club with 9 members?

Mathematics
1 answer:
denpristay [2]2 years ago
5 0

This type of problem is a permutation problem. Permutation is the arrangement of a set with certain order. In the problem, if there are 9 members, and 3 positions are available without repeating, we can write the expression as 9P3 - 3 non repeating positions in a set of 9 elements. By evaluating, we will have 9! / (9-3)! = 504. The answer is 504.

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schepotkina [342]

Answer:

x= -3

Step-by-step explanation:

hello :

-2x+7=-6x-5

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17/20
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Step-by-step explanation:

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2 years ago
Combine like terms.<br><br> y + 3 + 9(y + 5) =
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Answer:

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Step-by-step explanation:

First you have to get rid of brackets by expanding :

y + 3 + 9(y + 5) \\  = y + 3 + 9y + 45

Next you have to collect like-terms :

y + 3 + 9y + 45 \\  = 10y + 48

7 0
3 years ago
Read 2 more answers
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