Friday

September 19, 2014

September 19, 2014

Total # Posts: 12

**Statistics**

(52!)/(5!47!) or 52C5 = 2,598,960 different ways a 5-card hand can be dealt from a deck of 52 cards. (4C1)x(48C4) = the amount containing at most one ace. (5C4)x(47C1) = amount containing cards of all four suits. (not very sure of this answer)
*March 17, 2014*

**algebra**

ohw... sorry for that... for clarification, it's: {(c-1)x^2+2cx+c+4<or=0 { cx^2 + 2(c+1)x+(c+1)>or=0
*April 29, 2013*

**algebra**

Consider the following system of inequalities: {(c-1)x^2+2cx+c+4<0 { cx^2 + 2(c+1)x+(c+1)>0 The sum of all real values of c, such that the system has a unique solution, can be written as ab, where a and b are coprime positive integers. What is the value of a+b? Details ...
*April 29, 2013*

**Math!!! can't solve this...**

If the expression (x^2+2x−1)^8 is completely expanded, what is the sum of the coefficients of the terms with even powers of x?
*April 29, 2013*

**Probability**

Two equally matched teams are playing a game of volleyball. Each team has a 1/2 chance of winning each point. The game ends once one of the teams gets to a score of 21. If the score is currently 18-16 for team A, the probability that team A will win the game can be expressed ...
*April 24, 2013*

**math**

brilliant says its wrong... 14 is wrong... it meant 2x^2−2xy+y^2=225
*April 16, 2013*

**GEOMETRY**

so what's the answer? give me the solution..
*March 27, 2013*

**GEOMETRY**

Have you got the answer?? I'm so confused.. I don't know how to solve
*March 27, 2013*

**english**

whatever!
*January 27, 2012*

**CHemistry**

Methods of measuring the rate of change? 1. - change in pH? can you explain me plz :)
*November 2, 2011*

**Organic Chemistry Lab**

I'm pretty sure pigments travel further when they are less polar. Since acetone is more polar then the rf values would be less.
*March 21, 2010*

**English**

Why was Romeo selfish when he was exiled? Be sure you clearly define "selfish" and then decide, based on his motives and actions. www.answers.com www.sparknotes.com/lit =)
*July 6, 2006*

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