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a) we have 5 spots to fill for the first spot we have 5 letters for the second we have 4 letters, for 3rd 3 for 4th 2 and for 5th we have 1 so 5*4*3*2*1= 120 ways
what length of words do you want for b?
and for a) it is 5!/2 because of the 2Ps
@dan815 It says letters should not be repeated.
yes which is why u divide by 2
@dan815 don't get you,wasn't @Farheen28 right?
and for b) if you want to make another 5 letter word
then about how many unique letters you have you have 4 unique letters so |dw:1371467724548:dw|
So won't it be 4 letter's word for a because there are 2 p's?
no I think a) is asking you if you have given 5 letters, how can you arrange these 5 letters to make different arrangements of words
but b) is asking you given these 5 letters or 4 unique letters, how many words can i make, but this question needs to tell you the length of the word we are talking about here
thats exactly wat i thought.
it probably means 5 letters tho, so its 4^5
SO how we make different arrangments of words for a? :3
yea in context with the question...
sorry my internet connection had some problem so i wasn't able reply.
@chris00 why *(2.1)?
which is still 2
2 factorial =2x1=2
FROM WHERE IS IT COMING,EXPLAIN!
because u have two P's in APPLE
How do you know we have to do it like THAT!!
here lets look at simpler examples
otherwise it's repeated which we don't want!
OKAAYYYY YOU SMARTY!!!
So (22.214.171.124.1)/(2.1) =60 :) for a.
@chris00 Hey you,explain me b :3
assuming we still have 5 spots to fill yea...because APPLE has 5 letters right? then the question is using repeated letters...SO 5 LETTERS, how many words can be written?
nono lets use dans method|dw:1371468455755:dw|
how many letters can go in each position?
URI how many 3 digit numbers are there??
hey you,don't yell at me,i say what i want.
no one is yelling at you
Okay umm idk...how many 3 digit numbers are there,like i don't understand.
okay how many 1 digit numbers are there?
here i got a easy question.
listen everyone. even god.
How many 3 letter words can be formed using the letters c,a,t allowing for repetition of the letters?
There are 3 letters which can be used to fill the first location. Because repetition is allowed, the same 3 letters can be used to fill the second location and also the last location.
tca cta atc
i see the problem now
u can repeat letters though!
she doesnt know what repetition is
ccc caa ctt cat cta cac ctc cca cct aaa acc att act atc aca ata aac aat ttt taa tcc tac tca tct tat ttc tta
but you're repeating letters.
u missing 1
YES! we are allowed to do that!
b) the letters may be repeated
Oh got it now,SMART!!
ANSWER QUESTION NOW APPLE how many repeated words?
SO i have to tell how many words can be made with the word *APPLE* and we can repeat letters.
Hey Y u spam
u can have AAAAA as an arrangement
no wrong u noob i will beat u
let me do it!!
APPLE has 4 unique letters so 4^5 is ur answer
there is too many to do!
oops. mi bad
Okay is there any easy way to do it?
i was still in party mode
no it cant get easier than this lol
this is easiest WAY possible
this is the easiest.
can 1+1 get any easier
writing each arrangement is the hardest
So i have to make aaaaa ppppp llllll like this?
Oh i have to 4^5 =1024
URI answer this questiion you have 4 brothers they like to eat fruits and you like to eat vegatables how many fruits and vegetables do you need if you all must eat a total of 500 vegetables and fruits, and you can eat a multiple of each othrs consumption
u can prove it to urself by writing each arrangement out.
you can ONLY EAT a multiple of each othrs consumption
I have 2 brother's just so you know,and no I'm done with this one,Just tell me is the answer of b 1024,did i say correct?
Thankyou :3,You got into so much detail,trust me it was easy...if you have had expalined me like...@chris00
uri is a legend haha
i will come to teach this person again
gd luck with permutations and repititions bro
biggest noob at combinatorics ive seen yet
if there was a person called uri, how many ways can arrange this?
I'm a girl..and you know what? I'm doing Statistics for the first time,It's so new to me that i can't even pronounce *Statistics* correctly,I have this is 12th grade :D,I'm learning the basic from now!
wow i learnt that in yr 10.
I learn this in grade 1
i learnt this when i started walking.
my mother read combinatorics books to me out loud when i was in the womb
when i was still only 2 cells
i dont wanna say 1 cell because thats really pushing it lol
best line of the night
Get out both of you.
have fun hun!. gd luck with everything!
hope u do well in your final yr!