due in 2hrs plz help.....REWARD!
Q: Mrs. Bake makes floral arrangements. She has 15 different cut flowers and plans to use 6. How many different selections of the 6 flowers are possible? (use combination)
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OpenStudy (anonymous):
15!/(15-6)!
OpenStudy (campbell_st):
15C6
OpenStudy (anonymous):
15C6
^ ^ number that we need to pick
total number
OpenStudy (anonymous):
i got that part but what do you get when you solve it because i guess i do it wrong?
OpenStudy (anonymous):
15!/9!?
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OpenStudy (anonymous):
15*14*13*12*11*10 =?
OpenStudy (anonymous):
15C9 = 15!/((9!)((15-9)!) = 15!/((9!)(6!))=
OpenStudy (anonymous):
thats what i did tho?
OpenStudy (anonymous):
myko i got 360,360 but tht's wrong
OpenStudy (anonymous):
yes
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OpenStudy (anonymous):
devide it by 6*5*4*3*2
and you get the right answer. My bad, forgot that order doesn't count
OpenStudy (anonymous):
Combinations = 15!/(15-6)!6!
that's the right equation
OpenStudy (anonymous):
i got 500.5 and it's still wrong :/
i get one last try...:/ Thanks for you help anyways!
OpenStudy (anonymous):
5005 is answer
OpenStudy (anonymous):
wait why is that!!!!??? holy crap thanks!!! lol
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