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Re: HSC 2013 2U Marathon i know how to do it but i think my algebra is stuffing me up. First find d, sub to find a in Sn formula. Then use d and a to find the 50th term using Tn formula.

Re: HSC 2013 2U Marathon Having problems with this question, so easy, but can't get the answer. The sum of 50 terms of an arithmetic series is 249 and the sum of 49 terms of the series is 233. Find the 50th term of the series.

Re: HSC 2013 2U Marathon Differentiate: Kt / ( bt + (K - bt)e^-Kt ) where T is a constant.

Re: HSC 2013 2U Marathon thanks. haha silly me

Re: HSC 2013 2U Marathon yes i did that i get to -12 sin (2x + pi/4) = 0 And a take the basic angle as 0 degrees? So i end up with 0, 180, 360, etc then minus pi/4 and divide by 2 for each. feel like i'm doing something wrong can't seem to get answer.

Re: HSC 2013 2U Marathon how do you find possible inflection points: y= 3cos(2x + pi/4)

happy with section 2, 3. Oddly, section one stumped me on pygmalion. such is life. didn't like the question at all. so happy with close study of text, my prepared essay was literally the question of the exam.

anyone still up?

woohoo! staying up is gonna be so much fun :))))

probs be up to 3. 7 hours is more than enough sleep, too much and i'll elapse into a state of drowsy.

2,3,1

i have the music taste of a 40 year old lady, as soon as i heard eminem i wanted to cringe. Take that as an informative to your decision.

what are you supposed to talk about when asked why a specific group is a unique entity? are you just supposed to just talk about how their needs are different from others, or trends, or characteristics of the groups? I remember for trials i wrote rural families are a unique entity, because...

there is no discrete number of themes to explore. If you're talking about the close study of text for standard, then i suggest three themes. Your related doesn't necessarily have to have the same theme, it may help when linking, but you could just as easily differentiate them when linking. i...

now that you've been accepted, you need to meet the cut-off. good luck

wake up. study. go to sleep. 50% of study is counter-productive.

you'll get over it, give it a month.

i don't find quotes hard to memorize since I'm familiar with the texts, it's more the analysis of these quotes which takes up the bulk of my time. Edit: i also have a problem with spelling onomatopoeic, stoicism and bureaucracy! so i waste time memorizing the way these words should be spelt.

i memorized 3 essays in 1 day. it's possible.

glucose is not lost in the brain. It is produced in the small intestine (where larger carbohydrates are broken down), and is removed in the liver (where metabolic products are converted into nitrogenous waste)