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Usually for these questions, you have to use results you obtained from the previous question In this case, you proved congruent triangles and hence should somehow manipulate it to answer the question

I proved that angle MSX is 90 through equal angles of congruent triangles then said that radii meets tangent at 90 and hence ST is a tangent

you guys are assuming that conc. reaches 0mg/L however, they specify 0.3mg/L

he skipped 13d the one about blood concentration

sinx = 1/2 x = pie/6 and 5pie/6

Hopefully you get the marks that you want

using wrong limits when finding area of volume such as using limits on the y-axis when the curve is rotated around the x-axis

Majority of 2unit candidates have this problem as well (including me) just keep practicing with past papers

not saving answers and using answers that are rounded up or down

Look at the marking guidelines... they tell you where you earn marks

1) During reading time, do m/c in your head, saves time 2) Do the exam at your own speed

go through ALL your notes if you dont have any, ask your friends or look through the resource section After that, ram as much papers as you can!!!

After HSC, do stuff that you enjoy learn an instrument, play games or go out with friends If you enjoy studying for uni, then go ahead But after a year of *cough* hard work, i reckon its time for a break

Would you put that word in like this: Therefore, Triangle *** is similar to triangle *** (Equiangular) ???

read your textbook or purchase those "revise in a month" books

good idea il just ask my math teacher for it

Time shouldnt be a worry, i finished my trials (cssa) in about two hours, then tried to remember my business note since that was right after maths. And for prelim, you gotta remember EVERYTHING, they could ask any prelim stuff in the exam

lost my calculator... fml

Will you get penalised if you draw freehand and the marker can't understand it?