Search results

Re: HSC 2013 2U Marathon We know that 2^10=1024 so that 2^10 can be represented by a four digit numeral. How many digits are there in 2^1000 when written as a numeral?

Last years 2U paper wasn't that easy. It took me ages to understand question 16 and I am an all right maths student.

Re: HSC 2013 2U Marathon x=2/3

Re: HSC 2013 2U Marathon Hey what did you do at the third line?

Re: HSC 2013 2U Marathon I haven't done the question but does the value of f(a)=0?

Re: HSC 2013 2U Marathon Or do u equal it to a?

Re: HSC 2013 2U Marathon I have seen a very similar question in a past paper and I have no idea how to answer it...

Re: HSC 2013 2U Marathon I think I get it 11/2 (79+39) =649

Re: HSC 2013 2U Marathon a)67 b)430

I can't understand what you mean in question 8ii) It does not state in the question that line BA and AC are perpendicular to each other. If it did then you could take the reciprocal. The tangent to the parabola is AC not BA! and remember tangent to a parabola has same gradient where it touches...

Re: HSC 2013 2U Marathon Can someone post a solution of this? I can't seem to get it.

Re: HSC 2013 2U Marathon Okay thanks

Re: HSC 2013 2U Marathon When you get this answer do you leave it as it is? or do you take an absolute value since my teacher told me you can't have a negative area.

Re: HSC 2013 2U Marathon x=e^3?

Re: HSC 2013 2U Marathon Is the answer ln 1.23? I don't have a calculator on me to find the decimal form right now.

Re: HSC 2013 2U Marathon So it is a biased dice??

Re: HSC 2013 2U Marathon Is the answer 5^x ln5? Do you take log of both sides and then differentiate them?

re: HSC Chemistry Marathon Archive Is this in the industrial chemistry option?

Good answer. You could name the process in phloem as translocation or pressure flow mechanism. You should also talk about the role of water in phloem and how that causes a difference in the osmotic pressure gradient which drives material from source to sink.

So the person at top has to get band 6 for you to get one? If that's true then I am definitely getting a B6 since the girl whose first by some marks is speculated to state rank by our teacher who is also a HSC bio marker.