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Aug
31
accepted Place of functions in order of operations?
Aug
31
asked Place of functions in order of operations?
Aug
23
comment Formula for number of lines you can draw through $n$ points
All of you were a lot of help, but Andre got closest to the answer. My math teacher gave me credit for my answer, but he also said that the following answers were correct: $$\frac{1}{2}n(n-1)$$ and $$\sum_{i=1}^{n}(i-1)$$ The first one is pretty much exactly the same as Andre's answer: $$\frac{n(n-1)}{2}$$
Aug
23
awarded  Scholar
Aug
23
accepted Formula for number of lines you can draw through $n$ points
Aug
23
awarded  Supporter
Aug
23
comment Formula for number of lines you can draw through $n$ points
Yes, sorry. "drawn through any two of $n$ points" is correct. also, no, this is why i say i think my answer is too complicated. I'm in a basic Geometry class. I have a separate understanding of math from the class i'm in, so I understand the other answers, but these seem too complicated to be the actual answer, because i'm in such a basic class.
Aug
22
awarded  Student
Aug
22
asked Formula for number of lines you can draw through $n$ points