give medal A 12-member committee is going to choose a chairman, vice-chairman, and secretary.
In how many ways can these people be chosen?
A.
36 ways
B.
1320 ways
C.
1728 ways
D.
79,833,600 ways
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OpenStudy (anonymous):
@ShadowLegendX
jimthompson5910 (jim_thompson5910):
how many ways are there to pick the chairman?
jimthompson5910 (jim_thompson5910):
ignore the other seats for now
OpenStudy (anonymous):
i think b
jimthompson5910 (jim_thompson5910):
is that just a guess?
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OpenStudy (anonymous):
no
jimthompson5910 (jim_thompson5910):
how are you getting 1320?
OpenStudy (anonymous):
my brain
jimthompson5910 (jim_thompson5910):
how is your brain getting it
OpenStudy (anonymous):
brain cuclator
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OpenStudy (anonymous):
its going yo be c
OpenStudy (anonymous):
@jim_thompson5910
jimthompson5910 (jim_thompson5910):
why C?
jimthompson5910 (jim_thompson5910):
how many ways are there to pick the chairman?
ignore the other seats for now
OpenStudy (anonymous):
its a or d idk
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jimthompson5910 (jim_thompson5910):
how many people do we have to start with?
OpenStudy (anonymous):
its a and 12
jimthompson5910 (jim_thompson5910):
so we have 12 choices for chairman
do you agree?
jimthompson5910 (jim_thompson5910):
once we choose one person for the chairman, how many are left over?