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you didn't double the C4H10 and 5H20

just double what ademb13 said

ill look over it if you want

yeah spatial distribution is location i think

What does it mean by 'nature' and 'spatial patterns' exactly? For example, if there was a question that says: describe the nature of a global economic activity (viticulture and winemaking), exactly what kind of things would you have to include?

English advanced - 89% Mathematics - 95% Mathematics Extension - 90% Chemistry - 71% Music 2 - 80% I suggest that you refer to this page: http://community.boredofstudies.org/showthread.php?t=275486

i usually just shade inside the parabola

Thanks. I'm stuck on another question. a) Find the equation of the tangent to y = 1/(x-4) at the point L where x=b - I got the answer for this as x+y(b-4)2 = 2b-4 which is correct (confirmed by textbook) However, I'm stuck on the second part of this question, which is: b) Hence find...

Differentiate y = a(x+b)2 - 8, then find 'a' and 'b' if the parabola: passes through the origin with gradient 16 has tangent y=2x at the point P (4,8) Thanks!

What's your school rank? If you're ranked first internally, then all that matters is your external mark. So if you're confident about getting a high 90 in the actual HSC exam, then I think you have a good shot at getting a state rank.

Find the equation of the two lines which contain the point (1,3) and are tangents to the parabola y = x2​-2x+3

Can someone explain what dynamic equilibrium means in terms of ecosystems.

What are some features or characteristics of journeys?

Re: 2012 HSC Mathematics Marathon! (a+b)(a^2-ab+b^2) + (a+b) = (a+b)(a^2-ab+b^2+1)

Please reply to my PM as soon as possible. Thanks!

yeh i think b,c and d are correct

Do you have any Mathematics 2U (Advanced) Prelim Papers?

What about maths advanced??

The first one is -1/2 NOT -2 4^x = 1/2 2^2x = 2^-1 2x = -1 x = -1/2

Thanks Aesytic and nightweaver for the help.