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ewwwwwwwwwwwwwwwwwww wat a dirty question man dw RideTheLightnin, i don't think they'll have stuff like that in this years HSC :confused:

1) get an excel guide from ur library 2) Read it and do the questions 3) past papers 4) past papers 5) past papers

just forget about it for now and move onto other stuff. Usualy the HSC exam has only one circle geometry question anyways. EDIT: maybe someone else can get it from what im thinking :confused: 1. You can prove that there is a cyclic quad. if you construct an angle at the opposite side to the...

cheers mate

the answer says 109 but i get 60...

Twelve people travel as passengers in three cars, each of which holds four passengers. a) In how many ways can they make the journey, if it is immaterial in which car any party travels? Answer:5775 b) How many ways are there if two particular people must travel in different cars? Answer: 4200

you can always do a bridging course if required

cos2x=cosx 2cos2x -1 -cosx =0 .:cosx=[1+-sqrt(1-4.2.-1)]/4 =(1+-3)/4 .:cosx=1 or -0.5 .: x =2pi/3 or 0 EDIT: WOOPS LOL cos2x=cosx .: 2x=2pi.n+-x .:3x=2pi.n OR x=2pi.n .:x=2pi.n/3 OR x=2pi.n i hope thats rite :p Next question Prove that d(3x)/dx = 3xln3

Urn A contains 6 white and 4 black balls. Urn B contains 2 white and 2 black balls. From urn A two balls are selected at random and placed in urn B. From urn B two balls are then selected at random. What is the probability that exactly one of these two balls is white? Answer: 128/225

1 512042 Bachelor of Science (Advanced Mathematics) at University of Sydney 98.8 2 512041 Bachelor of Science (Advanced) at University of Sydney 96.4 3 511718 Bachelor of Engineering (Aeronautical) (Space) at University of Sydney 99.4 4 512085 Bachelor of Psychology at...

Information on the wilson cloud chamber ---> http://en.wikipedia.org/wiki/Cloud_chamber Discharge tubes glow because the electrons are smashing into some particles along the way to the anode. At relatively high pressures, there is some air left in the vacuum tube, and what happens is that along...

and some more lol... The ratio of the number of combinations of (2n+2) different objects taken n at a time to the number of combinations of (2n-2) different objects taken n at a time is 99:7. Find the value of n. Five cards are drawn at random from a pack of 52 playing cards. What is the...

alrite well here's another one: In how many ways can n things be shared between 2 people? The answer is 2n - 2 EDIT: nvm i got the answer

is the radical axis theorem even part of the 4 unit curriculum?...

A committee of 6 is to be selected from 10 people of whome A and B are two. How many committees can be formed if A is excluded but B is included? My working goes something like this: A is excluded therefore there are 9 people to choose. B is included therefore there are 5 places to fill. ...

ahhhhhhhhhhhhhh sweet man thx

ohhhhhhhhhhhhhhhhh so then it would be 1!x2!x3!x4!... but that doesn't equal 44 :confused:

yes thats the answer but why? I assumed that each room would house one person .: there'd be 4! arrangements but apparently this isn't the case.

In how many ways can 4 people be accomodated into 4 rooms?

you are given the terms 1-24x+252x2 and also the bionomial from which they were expanded... (1+ax)n By examining the second term... T2=nC1(1)n-1(ax)1 but from the exapnsion we know the second term is -24x .: -24x = nC1(1)n-1(ax)1 {nC1=n} .: by eliminating we get -24=na...