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    Scaling for bio?

    How is it scaled, say a raw mark of 80-85?
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    A list of testable proof

    The stuff that we normally use without proof Would be a bitch if we lost marks on these, sometimes they ask for it don't they? Any know any, please post them here Heres a few that i know : d(0.5v^2)/dx=acceleration proof for t formula proof for circle geometry theorems, like...
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    Vaccination Question

    CSSA 2010 question 30 Basically, question says in NSW children are vaccinated for whooping cough bacterium, however despite the vaccination rate remaining high there has been a increase in incidence a) Use udnerstanding of biology and eovlution to explain why incidnce increased b) Justify why...
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    Where to find HSC student Number for UAC

    I can't find my HSC student number (8 digits) for UAC application - Lost my school cert - Can't check from school since they close during holidays (they do right? the office ladies are off as well) - Are the board of studies customer service operating during school holidays?
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    What to bloody write for validity, reliability and accuracy??

    these questions come up often, but i never know what to write, Yes i know the definitions for the 3 words but they dont help jackshit E.g. reliability means the consistency of the results Q: how can student ensure reliability in ... all i know is repeat the experiment 3 times, which i doubt...
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    greater heat loss with small leaves?

    Im reading this from a few notes, but why? I thought the needlebush had small leaves to reduce surface area exposed to the sun to reduce evaporation thus water loss.
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    Need biology tutor whos familiar with the genetics:code broken option

    Hi, This is a current year 12 student, and as title, i really need someone to teach me the option code broken. You can leave your details here and i can get to you, or you can email to pterxniu@hotmail.com Please don't contact me if you don't know the syllabus or dont know what kind of...
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    Will my school rank save me, if i screw up in the exam?

    As title, if i have okay ranks top 5 for most, and a top 10 ranking for school, then and i screw up (not big screwup, jst a little below standard) then i will get someone else's mark? is this true
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    Discuss validity for DNA model - assessment

    part of our DNA making assessment is to discuss the validity of the model, by including 3+ weakness and strength This is what i've come up with: + It shows the hydrogen bond in between the bases + It shows that complementary base pairs T + A and G + C match together all the time + It shows...
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    what material for DNA model

    Hi, we are to make a DNA model, and im a bit lost as to what material to use thinking about some sort of wire that need to be thick yet bendable, but where do i get those?. Also, where can i buy pipe cleaners and beads in shops around sydney? i have no effing idea ;S thanks so much for any help
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    Need a general direction in uni?

    Hi everyone Nearly time for us year 12s this year to apply for courses, im suretheres a lot of ppl thats still lost when it comes to a direction in uni, do ppl want to share? and maybe some1 can help us out ;D for me i still have no idea what to do ..SHIT. The subjects im doing well in i.e...
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    Help me draw this graph please

    x = 2 cos (2t - pie/4) can some 1 use one of those graph drawing programs and draw it for me Please include the starting point of the graph thanks so much
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    Help! How to cram for eco?

    hey how the hell do i study for eco? i got the test on wednesday, and im only up to balance of payments. Theres just so much content for economics... and i cant even know what the essay is going to be on, shit.. anyone please? :haha:
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    which equation to use, 2SO +O2 <-> 2SO3 or SO2 + 0.5O2 <-> SO3

    as title It matters when calculating equilibrium constant, and when the question doesnt give us the equation Also for other equations as well, how do we know which equation to use?
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    creative - narrative without complication?

    Is it possible to get a decent mark for creative in belonging, if my story doesnt have a complication? i had something in mind of simply having the character move back to old place, and paradoxically feels both connection and misplacement. probably going to include reminiscence, and self...
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    External line division + parametrics in same question

    What im confused about is how i determine which one is m, n and which one is x1, x2, y1, y2 for the division formula question is, P (2ap, ap^2) lines on parabody x^2 =4ay which focus S (0,a) point Q lies on pS produced and Q divides PS so that PQ:QS = -4:3 So we got 2 points, got the ratio...
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    Confused with this trial question

    question goes HBr 0.15 mol/l pH 2 HBr 0.015 mol/l pH ? HCl 0.15 mol/l pH 1.3 Hcl 0.015 mol/l pH 2.3 Predict the value of ? What i did was because same conc of HBr has more pH thus less [H+] than HCl, then HBr is a acid that doesnt ionise completely Then i...
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    missing solutions for trig equation??

    say for 2 sin squared x = -sinx i divide by sinx becomes 2sinx = -1 but then i would miss a solution comparing to if i did 2sinsquared x + sinx =0 then factorise ... and how do i know when to use this method to not miss a solution?, or should i just ignore it Thanks so much
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    How are these silly mistakes marked?

    Hey guys Jst did the exam for 2 unit maths There was some mistakes that i realised after the test, it would be sweet if you guys can tell me how they are going to be marked 1. evaluate a function with 2 strips of trapezoidal rule, i did 2 function values instead of 3, it was a 2 mark...
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    Got Report! estimate plz

    Hey School rank around 150? Standard english - 27/101 Maths - 6/108 Maths extension 1 - 4/70 Biology - 4/50 Economics - 16/54 Chemistry - 5/55 Accounting - 27/around 100? probably won't count towards atar Thanks a lot
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