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Thanks for the in-depth response! I actually came across these symbols in a number theory book. Still a little confused, so I will take the time later to go over what you have said, and see how they apply in number theory (like the example you gave). Also is there a way to run the code given...

What do these symbols mean: \prec ~~~~~\succ ~~~~~\asymp ~~~~~O~~~~~o~~~~~ and also: ~

Not sure if it has a name, though a quick search online will give a decent explanation.

89 raw most likely won't be 95 aligned.

This would have to be true because the bulging at the equator is due to gravity and the rotation of earth. So if the rotation was slower, then the bulge would be less, resulting in a shorter distance from the equator to the centre, hence greater value of g. At the poles, when the bulge reduces...

School rank?

This is actually pretty cool. Also researching applications of maths and explaining the maths behind it. An example is the Monty hall problem. It seems confusing but when broken down it quite good (for year 7/8).

This is actually pretty cool. Also researching applications of maths and explaining the maths behind it. An example is the Monty hall problem. It seems confusing but when broken down it quite good (for year 7/8).

No. The question were all very straightforward. Q16 things got a bit more difficult, with 16(c) proving difficult for most. Overall it was easier than earlier years, but the final question was just as hard as some older papers.

The past papers would be helpful, though the internet would be packed with them and their solutions. Tbh don't bother with excel. If you have a good textbook and past papers (not just trials, but other schools too) that's all you need. Cambridge is one of the better books, or maths in focus if...

You will lose marks for the volume question because the volume was actually pi*19/72 which does not equal 0.2639.

Maybe have the solution to each question attached to the "Question X" threads being put up.

State rank?

Just ignore this stain on human existence, he's trolling.

yes subbing in values can find countless errors. Even those question where you simplify an expression with x, sub a value into the simplified version and the original and they should be the same. Write on the exam paper so when you check you remember things. For example as soon as you turn to...

It's not 2U, and you will NOT need to know it for tomorrow. You textbook is probably ext maths too.

I just did it using radians and got the right answer of 1.62. Maybe you have radians and degrees mixed up? It should have 'R' on the top row of your calculator.

Re: Can you get marked down in 2 unit math exam for not using a ruler or not labeling Maybe read notes from the marking centre for various years regarding graphing questions and see what the general rules are.

This question is from 2001 HSC Q8(c) if you want another example to look at.

No they're not.