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It is piss easy to get a 90 ATAR. Considering you have already learnt the 3 unit course for maths you could probably get it with just your maths marks. "Rule number one is, don't sweat the small stuff. Rule number two is, it's all small stuff."

Could someone walk me through the solution to this question? Im having a little trouble understanding what the hell i'm supposed to show. Thanks in advance

Can't wait to get it over and done with + looking forward to doing 8 units

is n = 29 and r= 9?

P(atleast 1 pink flower) = 1 - P(no pink flowers) = 1 - (0.75)^n to exceed .99 1 - (0.75)^n > 0.99 therefore 0.01 > (0.75)^n therefore ln(0.01) > n x ln(0.75) therefore n > ln(0.01)/ln(0.75) therefore n > 16.00784... therefore n = 17

okay thanks, i wasnt sure what paper it was because the paper didnt have the title page

1.A unit square with the points ABCD, where A(1,0),B(1,1),C(2,1),D(2,0) i) a line, l, passes through the origin with a gradient m and cuts the sides AB and CD at P and Q respectivley. Comment on the possible values of m. ii) For what value(s) of m does the line l, divide the area of the...

Not exactly sure why this is right but the reasoning is that you are implying an order so you divide by 4 factorial. Don't really understand the concept too well my self. 8C2 x 6C2 x 4C2 x 2C2 *1/4! =105 EDIT: i think this is why you divide by 4! consider abcdef in order to arrange these in...

alternativley for 23 i) e precedes i half of the time therefore the answer is 7!/2 =2520

okay thanks, I didnt want to start up another thread so hopefully someone stumbles across this post. I had trouble with these questions from the CSSA 2005 trial

If the questions doesnt give us the equation, do we still have to derive the range and max height formula or simply quote it?

meh so he changed tense, he probably was rushing his post... also 14 units damn....

The principle of relativity states that in an inertial frame of reference (one travelling at a constant velocity) one cannot determine if they are moving or not unless with reference to another frame of reference. That is if I were travelling in a car with all the windows blacked out on a...

actually comparing the old jacaranda which a friend bought with the newer version id say there are many more mistakes in the newer version

I find all HSC sciences are similar to what you' re describing. There is still very little independant thought required as many questions that are asked are directly from syllabus dot points and in the end it is a matter of memorizing responses then truly understanding concept. Mind you, you do...

That's the thing, as a student you don't really get informed about how things work by your school, you usually have to find out for yourself. Also some teachers dont know how it works either :P

just checked the 2008 HSC, the question doesnt require you to use substitution. Although using substitution helps you see it better. You need to use the reverse chain rule: Intergral of f'(x).f(x)^n = f(x)^n+1/n+1 +c

ftfy

Initially Sam has 4700 and Isaac has 5000 votes more than half of the 1000 votes yet to be counted go to sam therefore adding 50% of 1000 to his score gives us 5200 atleast 20% go to isaac this also leaves him at 5200 there are 30% of the votes left i.e. 300 votes isaac can not with by 300...

if you guys are in need of papers there was this huge bunch of em uploaded in the stickied "useful links" thread, its like 76 mb and contains all those grammar papers except the 08 paper which also has been posted later in the same thread