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School rank sorry?

^ Writes economics textbooks. Edit: And probably does some other things...

Sorry I also forgot to add that I will not be presenting it to the class, just to the teacher and this is printed out :S It's a bit weird but would I still define it, have limited text etc etc? Thanks for your detailed response :]

"Using the internet and other media, compile a powerpoint presentation (or the use of other presentation software) that explains Australia's current Terms of Trade. Integrate as much graphic and/or statistic data as possible. Include a bibliograpy of all sources referred to." Okay, so I have 2...

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Is Matrix actually that good?

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What was your ATAR btw?

It happens. Not me ofcourse :]

notes on hands, papers in pencilcases, cheat papers under your own paper

Uhhm.... I can't really estimate ATARs but I am pretty sure that he is trolling -.-;

Thanks as well haha, I nearly forgot about the mm^3s^-1. Answer to question 1 is a bit different to answer though. EDIT: MY BAD. I read your solutions wrong, sigh... I read "8pi" and I was like, this is definitely not 2.55, also thanks for the exact form tip. The answers round to 2 decimals...

Answer is 2.55m per minute. Thanks heaps, I definitely did it the hardest way possible -.-;

Just starting this topic and I have two question: 1. A chute drops sand at a constant rate of 8m^3/min. As the sand falls to the ground it forms a cone shape such that the height of the cone is twice its radius. Find the rate at which the height of the sand will be changing, to 2 decimal...

Only done resisted motion as of now and it is fairly easy once you get around the idea that in most basic questions there are two variables and as long as you have the "three different types of problems" all memorised than its all good from there.

How could I forget about the tan(A+B) expansion... Thanks all :]

Well.

The answer is ln tan(x/2 + pi/4). Am I just being stupid or is it just that when we sub tan(x/2) into that, it fails to work?

Yeah, all good, I understand all the rules surrounding limits so far :]

I checked so many times but now I have realised that I forgot to substitute the "u" part of the -2u du. I knew that this question was really not going to be something tricky. Thanks :]