anonymous
  • anonymous
What is the value of 8C5? A. 40 B. 56 C. 960 D. 6720
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
i will fan and medal
Nnesha
  • Nnesha
\[\huge\rm \frac{ n! }{ r!(n-r)! }\] formula for combination n_C_r n=8 r=5
anonymous
  • anonymous
huh

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More answers

Nnesha
  • Nnesha
substitute n for 8 and r for 5
anonymous
  • anonymous
huh
anonymous
  • anonymous
just tell me the answer
Nnesha
  • Nnesha
use calculator replace variables with their values that's it!
anonymous
  • anonymous
im not good at it help me
Nnesha
  • Nnesha
[Math Processing Error]\[\huge\rm \frac{ 8! }{ 5!(8-5)! }\] formula for combination n_C_r n=8 r=5 can you solve now ?
anonymous
  • anonymous
c
Nnesha
  • Nnesha
no..
anonymous
  • anonymous
a
Nnesha
  • Nnesha
nice try now stop guessing :)
Nnesha
  • Nnesha
CAN you use a calculator ??
anonymous
  • anonymous
i wasnt guessing those are what i got
Nnesha
  • Nnesha
how did you get A and C show your work then.
anonymous
  • anonymous
is it b
Nnesha
  • Nnesha
or just do it b hands solve the parentheses 8-5 = 3! \[\huge\rm \frac{ 8! }{ 5!(8-5)! }\] formula for combination n_C_r n=8 r=5 \[\frac{ 8! }{ 5!(3!) }\] 8!= 8 times 7 times 6 times 5 times 4 times 3 times 2 times 1 subtract one untill u get one
Nnesha
  • Nnesha
or 8!= 8 times 7 times 6 times 5! <--now you can divide 5! \[\huge\rm \frac{ 8 \times 7 \times 6 \times\cancel{ 5!} }{\cancel{ 5!} 3! }\] now 3!= ??
anonymous
  • anonymous
d
Nnesha
  • Nnesha
how ?
anonymous
  • anonymous
i dont understand this
Nnesha
  • Nnesha
do you want ot understand or not ? or just need an answer ?
anonymous
  • anonymous
i need to get finished
Nnesha
  • Nnesha
http://www.wolframalpha.com/ then use calcualtor.
Nnesha
  • Nnesha
calculator*
anonymous
  • anonymous
i did it wont work
Nnesha
  • Nnesha
take a screenshot how did you type that into the calc? did you put the parentheses < very important!
anonymous
  • anonymous
just f*ck!ng tell me
Nnesha
  • Nnesha
1) tell me if you want to understand combination 2nd) how did you put that into the calc ?? patience watch your language plz at least you can type into the calculator. thanks.

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