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wouldn't the answer just be 199 pirates and the top 100 get 1 piece of gold each? scratch that.

they decided to invest the money in a commonwealth netbank saver account and reap that reward of 4.5% interest.

you are a gentleman and a scholar! this kid is ahead of me in english so don't mark it too well :P

btw, did u make the IMO?

type up the question mate, and i will solve it for u.

LOL

LOL

post the question.

Also, SO4 2- can evidently not be acidic as it does not have a proton to donate. SO4 2- is a weak base because it is the conjugate base of the weak acid HSO4 -. H3PO4 is a weak acid, so it does not fully ionise in water. Hence, H2PO4- can be treated as a weak, base as it is the conjugate base...

cheers for that dude!

Re: 2012 HSC MX2 Marathon still got no idea on how to finish it off lol

HSO4- is amphiprotic as previously said. The Bronsted-Lowry acid/base definition defines an acid as a proton donator, and a base as a proton acceptor. HSO4- has the capacity to both accept or donate a proton depending on whether the environment it is in is acidic or basic.

They both do not have back EMF. A back EMF only occurs when there is a forward EMF. As generators do not have a current in them initially, then the current induced is not called a back EMF.

Re: 2012 HSC MX2 Marathon <a href="http://www.codecogs.com/eqnedit.php?latex=P(x)=\sum_{r=1}^{2n}\frac{x^{r}}{r!}\\ P'(x)=\sum_{r=1}^{2n-1}\frac{x^{r}}{r!}\\ P''(x)=\sum_{r=1}^{2n-2}\frac{x^{r}}{r!}\\ We~will~now~show~by~induction~that~P(x)~has~no~real~roots.\\ Let~n=1~to~show,\\...

i will go with 78

Here is a question for y'all. Its from the CSSA 2007 paper and it is worth 5 marks. "Assess the impact on the development of new technologies of scientists being able to manipulate electrons" There is so much to talk about in relation to the manipulation of electrons: - Thermionic devices -...

the trials will sort u guys out. Your tests appear to be too easy if you guys are that close.

I think you will get 90-95, but your thing about HSC markers and the dude on 98% in MX2 doesn't mean anything. If you have that many HSC markers, why isn't your school ripping shit in those faculties?

what is each subject's cohort size?

nope, not in the syllabus as far as i know. If it was, the path would not have to be just a circle, but it could be. not totally sure though, anyone help me out?