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Hi all, could you help a fellow maths kid out here, I'm a bit stuck. All questions sourced from Fitzpatrick. I know the answers just not the steps to get there. 1) In how many ways can 3 cards be selected from a pack of 52 cards, if: i) at least one ace is selected; ii) not more than one is...

Yeah I have no idea about how to do 2c. HALP! haha. Thanks.

Thankyou so much! Just with Q1, why isn't it z=1+3i, 1-3i, 1+0i? Because you retrieved y=0 as a soln in the equating of the imaginary bits?

Hi everyone, I received a massively long assignment on C.N. this week and can't seem to get the three questions here (the ones with the black stars next to them). Could anyone help a fellow MX2'er out here? You'll practice your own skills! :) The image is attached because I CBF to be bothered to...

I did: d/dx tanx = sec^2 x So the normal is just -cos^2 x - (cosx)^2 x=30 degrees, - (sqrt3/2)^2 =-3/4

Hi guys, I just couldn't get the answer on some practice multiple choice my teacher gave me. Find the gradient of the normal to the curve y=tanx at the point where x=pi/6. I kept getting -3/4. The four possible answers are: a) -1/3 b) 1/(sqrt3) c) 3 d) -(sqrt3)

English Adv: 1/70 (88%) Modern History: 1/20 (94%) SOR1: 1/50ish (100%) Legal: 2/14 (98%) Maths 2U: =14/90 (Dropped 2mks) (95%) Maths 3U: =8/45 (Dropped 4mks) (91%) Maths 4U: 4/12 (88%)

yes

Fire your hairdresser. Fire your designer. Fire your tailor. Simple.

Hi all, I didn't know where to post this. However, I've tried loads of calculator apps for iPhone and iPad, but I really want a scientific one like the ones we use in school. Where you can do long equations in the calculator and visualise it all, instead of being able to do one thing at a...

Hi everyone. Title explains all. Subject (Cohort Size) 2 Unit Mathematics (I may drop MX2) (90) English Advanced (~60) Mathematics Extension 1 (42) Mathematics Extension 2 (12) Modern History (21) Legal Studies (14) Studies of Religion, 1 Unit (75) School Rank as of 2012: ~190 (I...

What does DA and the % mean (in simple English?) SO proud that my school is back in the top 200, if only just. We were >300 a while back. Next year, my cohort better get us in the top 150!

Wait, do we need supplementary texts for any of the modules? (Not AOS)? Besides that, my school issued a document with every subject and recommended holiday hw. I'm doing all that, plus planning to finish the 2U maths HSC course.

Can any of you read?

Hi everyone, I have an MX1 exam on Tuesday, and 2U exam on wednesday (the last day of school :/) anyway, besides the two I scoured from a teacher, does anyone know where I can find past papers for the term 1 exam? Our 3U exam has Parametrics+Polynomials, and 2U has geometrical application...

I don't understand 13. I thought it was C? :/

We're getting towards the latter end of Complex Numbers, and we've started Curve Sketching which is very cool. Complex numbers as a concept is initially understandable but the unity stuff is weird, and I had problems with the roots of complex no's

Maths 2U - 96% - 2nd MX1 - 88% - 4th Legal - 96% - 1st (Dropped all my marks this year in that test, 4 multiple choice. Damn) Modern - 86% - 5th Chem - 60% - 9th SOR1 - 88% - ? Eng Adv - 64% - ?

You guys get to come late when you have a free first? So jelly. We still have to come for tutor group (roll call) even though we have roll call every lesson :/ But we can leave early considering we get a note. yay

Don't worry too much, I was just wondering if you had more. Thanks a bunch.