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makes sense read a perpendicular b and a perpendicular c instead of b perpendicular c

Was 10B or D in the end? Because if you do a dot product a + b + c => costheta = magnitude a^2 + a.b + a.c / magnitude a root(a^2 + b^2 + c^2) - and a and b and c were unit vectors so = root3 on the bottom and a perpendicular to b and c so on the top you get 1

yes

what HSC year was this most like

How does NESA do alignment for subjects?

I did decently in trials and am going for a 98/99 ATAR. My subjects are English Advanced, Math Ext 2, Math Ext 1, Legal, Business and Economics. I'm decent at economics and both maths and my worst subject is English advanced. I am wondering how many past papers we should be doing per subject...

RIght now I'm doing 13units - 4U math - Ext English - Business - Legal - Economics - English Advanced My rankings are -4U math (middle but very strong class --> Only done one test (pretty easy), average 80% I got 85, top mark 93) - 3U math second (one mark off first) - Business (First ->...

Unsure of whether to drop business or ext english currently do 13u. Just finished term 1 of year 12 and want to go into next term with 11/12u -> 4u math, eco, business, eng adv + ext, legal Pros of business: Ranked first + can guarantee similar rank for remaining tests Teacher likes me Easy...