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Oh thanks you for question 19), i forgot that u can just use the answers from multiple choice and sub it in!

Hey so this is from a past paper and I just can't figure out how to do it. 19) The rest length of a train is 200m and the rest length of a railway platform is 160m. The train rushes past the platform so fast that , when observed in the patform's frame of reference, the train and the platform...

Hey Ben, thanks for the link, its alright so far! What do you mean by the golden rule - Remove the parameter? Can you guide me through a common HSC question on Parametrics?

Hey guys, i'm having immense issues with learning parametrics for 3u maths. The teacher we had when learning the subject was no help and brushed past the topic in a few days. I can't seem to do any questions in the textbook and struggling with the basics. Is there any links to a website that...

Need help solving this properly |4x-3| + |x-1| < 11 I would take 4 cases where its positive positive, positive negative, negative positive, negative negative for each absolute value. However i think i've made a mistake in my working. Also unsure if i am to test these values to see if...

Thanks so much! i found that the sample size was 40C5 but after that I just couldnt work it out. Thank you!

Hey guys, need help trying to solve this perms and combs question where: A total of 5 marbles is selected at random from 4 differently coloured jars. Ear jar contains ten marbles, each being the same colour as the jar it is in and numbered from 1 to 10. i) What is the probability that of...

"Analyse the need for law reform" What I'm thinking of is to first define what law reform is, then describe reasons for why law reform is necessary. But would I have to include evidence? It's a short response question so probably only worth around 4 marks.

You have 4minutes so having 2 evidence per point is probably enough as you want to go in-depth enough to elaborate your point. Keep your speech relevant by answering the actual question about how your character is relevant to modern society. As long as you do that, support with evidence and keep...