Ask your own question, for FREE!
Mathematics 20 Online
OpenStudy (anonymous):

there are 6 students who all want to be in a group of 3 people chosen to speak at graduation. How many different groups can be chosen?

OpenStudy (anonymous):

is it 18??

OpenStudy (anonymous):

6*5*4

OpenStudy (anonymous):

how did you get 5 and 4?

OpenStudy (anonymous):

20 groups are possible.

OpenStudy (anonymous):

when you choosing students in the 1º choice you have 6 students to choose from. In the 2º you have 5 and in the 3º only 4

OpenStudy (anonymous):

@mhumzatariq how did you get 20?

OpenStudy (anonymous):

sry, forgot to devide by 3!

OpenStudy (anonymous):

@myko lol

OpenStudy (anonymous):

im really confused on how to solve this

OpenStudy (anonymous):

how di dyou get 9!!??

OpenStudy (anonymous):

6*5*4/6=120/6=20

OpenStudy (anonymous):

3!=6

OpenStudy (anonymous):

LOL omg

OpenStudy (anonymous):

whats 3!=6??

OpenStudy (allank):

Can't help the feeling that you're lost @ayojenn

OpenStudy (anonymous):

3! is factorial of 3. 3!=3*2*1 it represents possible ordered combinations of 3 elements

OpenStudy (anonymous):

oh O.o

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!