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i meant question 10 lol not question 2

It was da easiest maths 2 unit exam i have ever seen. I reckon i lost 1 mark in question 2 due to a dodgy proof for the similiar triangles lol. But overall i think i have lost a maximum of 5 marks if not less.. it might make up for how badly i went in physics and english

for that 7 marker question about advancements in geophysics did you write about principal geophysical methods such as seismic methods and gravitational methods and wat they hav shown about earth and advanced our knowledge????? also the reason for the curved path for waves was because earths...

Natural selection can be modelled using coloured toothpicks(red and green). This involves 200 red and 200 green toothpicks being scattered by a few students over a defined greengrassland and a defined area of asphalt (control). A few student are then sent to collect as many toothpicks as...

Integration of sin^2xcos^2x

i cant find any were of ever doing a gravity data reduction question. colud someone post one up and the solution of how to do this thnx

looken at 2003 past paper and they say to describe specifically the role of geophyscicts in nuclear test ban treaties but in sylalabus it says we only need to known only one of either nuclear test bans or environmental hazards so do we need to know boht or not?

i was looking at a past paper and found one type of text type possible to write which was a conversation. could some one give me an example how to start conversaition between two people for an issue and how to end thanks

For one the effects of such Zinc and manganese ions being released into the environment has little harm due to minute concentrations compared to the size of the cell. The only real effect to the environment is that it is non rechargeable and hence leads to an increase in land fill.

To increase the validity of a titration of acid- base repeat the experiment 4 times and average the titre. Do not include the first titre because this is often an estimation to determine the average titre. Next Question: Describe the processes used to sanitise and purify the mass water supplies?

B and T lymphocytes both interact with each other because they are both attacking the same antigen. However the T cells influence and help the B cells. There are 2 mechanisms which explain the interaction which are: 1. The t cells interacting with the antigen produces a soluble factor. The B...

The set out for Journal entires and diary entries? what is the difference in set out? A past Hsc paper for representation module said write a report is this a newspaper report or a report(summary, body, conclusion)?

I am just enquiring about super and compound interest questions wheter say e.g. if it is from december 2000 to january 2010 what would we the amount of years compounded for the money. I know if it is from jan 2000 to december 2010 it would be 11 years. For decemeber 2000 to jan 2010 would it...

1. A household cleaning agent contains a weak base of general formula NaX. 1.00 g of this compound was dissolved in 100.0 mL of water. A 20.0 mL sample of the solution was titrated with 0.1000 mol L–1 hydrochloric acid and required 24.4 mL of the acid for neutralisation. What is the molar mass...

- the only source of heavy metal contamination i can think of currently is the leaching from rubbish dumps containing batteries etc resulting in cadmiun and lead being flushed into local waterways by rain. - a test used to determine the presence of heavy metals such as those above would be to...

compare the model for the condcution of electricity in metals at room temperarure with the model for conduction of electricity in superconductors below their critical temperature

i need some info on the significance and symbolism of the storm. If anyone has info post it up thanx

i have a prac exam coming up soon and i need a good method for this experiment in detreriming a unknown cation and/or annion. Just post one up step by step anyone Thanx

What are squirell motors and how do they work? I have looked evrywhre but cant get a comprehensive explanation or defintion? Its not in the syllabus but often appears in the HSC

could someone possibly post solutions to: - HSC 2004 (Question 21a, 26) - HSC Specimen paper found on Board of studies (Q16)