Reputation
Top tag
Next privilege 125 Rep.
Vote down
Badges
3
Newest
 Supporter
Impact
0 people reached

  • 0 posts edited
  • 0 helpful flags
  • 1 vote cast
Jun
19
comment How many unique combinations you can have when pairing 17 designs into a 7 set?
Also, the ! is the factorial - in brief, the product $n(n-1)(n-2)...(2)(1)$ - see more about factorials at en.wikipedia.org/wiki/Factorial as well for a proper formal definition and examples.
Jun
19
comment How many unique combinations you can have when pairing 17 designs into a 7 set?
Which is also, for reference, equal to $\frac{n!}{(n-k)!k!}$ as credited to the "Facebook source" above. See en.wikipedia.org/wiki/Binomial_coefficient also.
Oct
16
comment geometry triangles side-side-side | prove my teacher she is wrong?
@HagenvonEitzen Absolutely. Without that information, the case for congruence is severely crippled if not eliminated. Granted, I'm still blurry on the details of what is where and the givens from the "image" provided.