March 31, 2015

Homework Help: Data management

Posted by Jane on Thursday, October 27, 2011 at 9:55pm.

a) 2nP3 = 2(nP4)
b)6(n+1P2) = 3nP2

2) If (nC12 = (nC8), find (nC17) and (22Cn)

a) n(squared) (n-2)! - n(n-2)! / n!
b) (nC2) - (nCn-2)

4)If nPr - 506 and (nCr_ = 253, find n and r.

5) If (28C2r)/(24C2r-4) = 225/11, find r.

Answer this Question

First Name:
School Subject:

Related Questions

data management - 1) solve: a) (2n+1C2) = (nC2)sqaured b) 12(nC2) = n!
Math-Data Mangment - 6(n+1P2)=3nP2
Math - Find the shortcut. Solve these problems. Then find and explain a shortcut...
math - How do i find the area of a triangle? For example: A squared + b squared...
statistic - This data shows the final exam scores of 10 randomly selected ...
Data management - 1) consider the number of grid paths from the orgin in a ...
Math!!! - Simplify the following including like terms 13rs(squared)-r+42s(...
Math - Using the example: (a+b)(a+b)= a squared -b squared, we are asked to ...
algebra 2 multiple choice HELP - find f(a), if f(t) = 2t2(squared)-t-2 A. 2(a+t)...
algebra 2 - I am so stuck on this factoring thing. how do you solve: 1)15a(...