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Ohkk cool cool. Btw our school hasn't finished the Energy topic in chem so should I study that?

Eco goes better with your subjects. There's heaps of concepts but like once you get it, you wont forget it - that's what rocks about it! Bio I heard is boring and it's all content. It'll take time away from your subjects. You seem capable to do Eco so why not give it a crack? Besides, doing all...

YO I'm on holidays now and I'm going into year 12 next term and not sure what I should do. Should I study ahead? Or should I chill? Maybe I should read my English texts now..what do you guys reckon? What worked for you? Cheers

OMG THANKSS!! How did I not divide by 2....

Help guys!!!! Before I pull my hair out!

Yeah lol I just realised haha. How do you do it?

If tan (theta/2)=t, solve for t the equation 12 tan theta = 5 and 180 < theta < 270 I'm getting tan theta = -5 and 1/5 but in the answers it only says -5, why?

In morse code, letters are formed by a sequence of dashes and dots. How many different letters is it possible to represent if a maximum of ten symbols are used? Show working, thanks ANSWER: 2046

Thanks guys! Very helpful! :)

Huh, is this in Prelim? Can you show me lol

thanks bro

What is the number of molecules present in 22 g of CO2 at 298 K and 100 kPa?

Calculate the mass of Nitrogen in 28.02g of Ammonium Nitrate (NH4NO3). Calculate the number of moles in Ammonium Nitrate.

Re: Australian Maths Competition 2013 Whoaaa how do you guys actually do the questions? They freak me out, legit they're like essays towards the end. Please share your techniques, or how you even approach the questions. Fannkss!! :)

Basic Arithmetic Algebra and surds Equations Geometry Functions and graphs Trig Linear functions Almost done Calculus Is that too slow do you think?

WHAAAAAAAAAAAAT? I still have like 5 chapters to do lol :S Is that normal?

WHOOOOOOAAAAAA Dude this is creepy! I asked the same question as you, in the same forum, around the same time ... LOL we obviously don't have better things to do hahaha! I shall answer your enquiry: I am doing the Calculus right now. I still have to do: - Properties of the Circle -...

And how many topics do you have left?

Basically the radian thing is easy, as I know it. The pi symbol denotes 180 degrees. If you want to convert something in terms of pi, eg 30 degrees, then you do 30 / 180 = 1 / 6 and then you times it by pi, so it is pi / 6. Eg convert 60 to radian. That would be 60 / 180 = 1 / 3 = pi / 3...