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yeh the small waists are, i think, cuz the judges didnt want ppl with big ones so every1 stopped eating so many carbs lol oh how times change

when we have graphed the results from the standards and wish to work out a conc beyond what we have graphed (i.e. HSC 2006 25 where we have to extrapolate), do we do a line of best fit and then base our answer on that? or do we just estimate how the curve is changing?

Re: parents mine didnt even know english was on friday lol told them thursday good old australian parents

i goto bed most nights around 930. wake at 7. been doing this for a while. i used to be like you guys. what i started doing was regular exercise at about 4. then eat at like 5:30-60 a decent meal. And when its about 9:30 id just go lay in bed if i couldnt sleep. now im used to it and can do it...

how is it that they get nh3 to a liquid to be removed to increase its yeild? do they increase the pressure? how many atmospheres roughly? and could be that part of monitoring the process? ensuring the pressure is high enough to get nh3(l) so it can be removed instead of a buildup of gas nh3? and...

so they are exothermic and done for the energy they produce. Lack of o2 = CO or C. do we ever want to intentially form C or CO? CO is toxic so i doubt that but C...could we ever want this and gain it by means of incomplete combustion?

yeh i rang help line lol poor me what happens is tha our work gets passed primarily through clerical staff who bundle booklets, check we have our student numbers and center numbers etc. They also highlight sections which could be overlooked and what not and yeh then off to the markers :O so im sweet

when i wrote my essay i wrote on the inside of the back cover cuz i ran out of pages and i was in a rush so didnt want to wait for a new booklet do u think they will see that its got stuff there !!!

its was just the easiest example i had to draw to when asking my questions. Its from senior science lol i was asking for this prac as it is more simpler than the ones in chemistsry and im not asking it for senior science other wise itd do that in that forum, just wanting to know about accuracy...

what is this technique? its about a man who is initially walking everywhere "I was sufficiently qualified to move up a notch in the heirarchy to bus travel". Its like humorous yeh?

ok so i understand the graph from the copy and paste (thanks heaps) but i dont understand how u knew they were opposites? or in maths is g(x) denoted always to be the mirror of f(x)???? and even if u sub 1 into the equations how do u know that the graphs touch eachother at 1? hmm actually y=x...

Text 3 d and e. i struggled with this text when i did it just before. I dont get the journey. This is what i wrote for each. (i studied inner journeys) d) a reflective tone e) Through Rothwell's journey he begins to accumulate the perception that it is not just "paintings and sketches" which...

" for some a>0 two curves f(x) = a^x and g(x) = log(base a)x are drawn on the same axes so that they touch on y=x. i) Write down expressions for their derivatives (Done) ii) write down an equation involving natural logarithms whose solution is the x value at their points of contact Answer: since...

i did that and got 49 again lol there answer was the 35.1 ill re-edit the wording :) with this the sides AC and CB are a road. AC is constructed accross water and costs 5 times more to construct than it does to construct CB which is on land. K is the cost of constructing 1km of road on land. We...

ok thanks heaps that makes sense :) yeh i dno with the brackets thing :S

Using trapezoidal rule 4 function values estimate volume of area between x axis and y=4-(4/x) i get down to there answer (pi/2)[0+2(4+7r1/9)+9] but then the answers get 35.1 ldp i get 49.0 1dp:S for this when finding the area of shaded, how come we dont have to split the integral if they are...

apparently the new syllabus is heaps hard like communications especially or seomthing. my teacher who isnt teaching it next year was happy aha i wish ours was harder so then maybe this subject would actually scale good

so basically if its a sum of squares or whatever i.e. (x-3)^2 then we could do ^3 all over 3 but if its (x^2 -3) then we have to expand and what not yeh?

[(x^2 + 4)^3]/3*a which is 1 in this case yeh? so its just 3 i think

yeh im pretty sure because its in the form: [(a^n+1)/n+1*a] i think its times a or maybe even the derivative of the bracket :S EDIT: just saw dolbinau's post after posting