SOLUTION: Use Pascal’s triangle evaluate each expression. Show all work (12) 11 Twelve over eleven.

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Question 572671: Use Pascal’s triangle evaluate each expression. Show all work
(12)
11
Twelve over eleven.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
It's usually read "twelve choose eleven."

12C11 = 12 by Pascal's triangle

Or 12C11 = 12!/(11!1!) = 12