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Any mathematics question? ASK HERE FAST!!

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I am going to help everyone for the next 5 hours on math, well i need to study and whats better than teaching to study =D so ask all your hardest questions here, il explain and show you answer and even you can get past papers for questions you dont get, Good Luck.


Some rules might be helpfull :-

Mean = Total X / Number of X

Mean of Frequency = Total X x F / Total F

Median = Numbers like 1, 3, 4, 5, 6, 7. you take the one in the middle, and if 2 meats then it is N1+N2/2

Mode = the most repeated number.

range = highest - Lowest (literary)

Percentage = well, who dos not know it!!??

A U B = Everything in A and B

A n B = what intersects in A and B

When you see the 1 on top of A or B it means, the things OUT of them

A(1) U B = What ever is out of A + b

and so on

Histogram

F.D = F/Class width

Cosine rule = Side1 = Side2(2) + Side3 (2) - (2 x Side1 X Side2 X angle between those sides.)

If you need any more just ask
 
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what about those october/nov questions in which speed of flow of liquid and radius are given?
The length isn't given and you have to find the TIME taken?????????????
 

XPFMember

XPRS Moderator
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for the cosine rule better put the nos. after "-" in bracket otherwise possibility of getting wrong when simplifying though dont think its wrong to do w/o brackets just to avoid errors
 
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