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Mathematics 11 Online
OpenStudy (anonymous):

How many combinations of a president, vice-president, secretary, and treasurer can be chosen from a group of 12 students?

OpenStudy (anonymous):

@amistre64 i need your help

OpenStudy (anonymous):

@thomaster i need some math help

OpenStudy (anonymous):

@johnweldon1993 i need some math help

OpenStudy (amistre64):

how many positions?

OpenStudy (amistre64):

spose were running a race, how many options do we have for first place, since a person cant come in first and second, that leaves 1 less option for second place .. those filled that leaves 2 less options for third, etc

OpenStudy (anonymous):

sooooo... @amistre64

OpenStudy (amistre64):

participation is key. think about what ive stated logically and tell me what it is im saying.

OpenStudy (anonymous):

so one person can be in each position

OpenStudy (amistre64):

one person can be in each position, yes. how many options do we have for a given position?

OpenStudy (anonymous):

4

OpenStudy (amistre64):

out of 12 people,assuming they all qualify, are options for a given position. agreed?

OpenStudy (anonymous):

agreed

OpenStudy (amistre64):

then as one positions is filled, our choice of person for the next position is reduced by 1 such that: |dw:1399038715160:dw|

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