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Care to explain why? I had no idea what i was doing, i found an expression for the distances AB and DB and then stopped cause i was totally lost

I separated it into the area under the x-axis [absolute value] and the area above it. Of course i decided to be an idiot, not read the question and find the distance travelled between 0 and 2pi, which took AGES - well, there goes 3 marks and 15 mins of my exam time

ditto, i'm so not in the mood to study, i feel so helpless... like no matter how hard i study it won't make a difference :(

God i hope so, because for that question where we had to find the total distance travelled between 0 and pi, i did it between 0 and 2pi - you think i'll still get a mark for that?

Well i do that on my calculator and the answer is 95 degrees [like i should talk, i left the bloody thing in radians - i should learn to read the damn question properly]

Well i think i may have gotten about 75% or so, which is ok I was just wondering though, say i get 96/120 [which is 80%] would that mean that on my hsc, it will show my mark as being 80 and as having been a band 5? [sorry, i don't understand if scaling is just for the UAI or for our actual...

Thankyou so much... i did a quick search and found this thread: http://www.boredofstudies.org/community/showthread.php?s=&threadid=12398

Please help... All the letters of the word ENCUMBRANCE are arranged in a line. Find the total number of arrangements, which contains all the vowels alphabetically in order but separated by at least one consonant. Thanks in advance

Thankyou so much!