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How many sudoku patterns are in this world?
I'm trying to use the nCr and nPr concept to calculate the sudoku patterns.But it really get confusing because of it's rules.
Can someone help me with this?
3 AnswersMathematics1 decade agoIs it illegal?
Is it illegal to burn free softwares [firefox,gimp,linux,etc] into CD and sell it to public?
16 AnswersSoftware1 decade agoWhat is the best RSS reader plugin for firefox?
I'm looking for firefox's RSS reader.Thanks for your advice.
3 AnswersInternet1 decade agoQuestion regarding simple hovercraft?
I made a simple hovercraft using balloon and a cd.It works but the problem is I need to carculate its momentum.How to determine how much momentum that the balloon give?
1 AnswerPhysics1 decade agoTrigonometry quiz?
I stucked at this question.
If sinA + sinB=1 and cosA+cosB=1 ,find the value of
a)sinA+cosA
b)sin(A-B)
I dont even have clues on what to do.
Answer: a)1 b)+-1
4 AnswersMathematics1 decade agoMath equation problem?
Yesterday I learned a new physic topic.
Then I found out this equation:
∫1/(Vy-Vt) dVy
= log [Vy-Vt]
how come suddenly it become log??
6 AnswersPhysics2 decades agoWho gave the idea about creating Yahoo! Answer?
2 AnswersInternet2 decades agoExcuse me,can I ask a question?
23 AnswersOther - Society & Culture2 decades ago