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Would you need to know things such as modular arithmetic and geometric identities for the intermediate section? Especially for the last 5?

I'm in WA and our school uses the ICE-EM books.

That's a great attitude!

here http://files.chiuchang.org.tw:8080/myweb/download/docu/AMC/

For combinations without repetition, the formula is n!/r!(n-r)! Where n is the number of things to choose from and r is the amount of things we chose So in this question, there are 5 people to choose from and we have to choose 3 of them So the amount of ways is 5!/(3!(5-3)!) = 5!/(3!2!) =...

Re: Year 12 Mathematics 3 Unit Cambridge Question & Answer Thread Isn't the formula this? For the number of ways to arrange n objects taken r at at a time n!/(n-r)! So it would be 7!/(7-4)! = 7!/3! = 7*6*5*4*3!/3! = 7*6*5*4=840 But since we have 2 c's and 2 o's, the answer would...

Re: Australian Maths Competition 2013 was the question with the chords in your exam? It was number 30 in the intermediate paper so I thought it might have been number 27/28/29 in the senior paper

Thanks

Of a right-angled triangle with side lengths of 6 and 8 cm, what is the raidus of the largest circle that can fit inside of it? thanks in advance

awesome work

Re: Australian Maths Competition 2013 To whoever did the intermediate last year, which one did you think was harder, this years or last years?

Re: Australian Maths Competition 2013 oh shiiit I thought it said 2018 lol

Re: Australian Maths Competition 2013 oh are you an accelerant at your school?

Re: Australian Maths Competition 2013 what do you reckon the cut-offs will be this year for year 9/10?

Re: Australian Maths Competition 2013 which of the last 5 do you reckon you got?

Re: Australian Maths Competition 2013 this years test was way harder than last years intermediate paper imo

Re: Australian Maths Competition 2013 question 26 had to be a factor of 2016 equal to or lower than 288

Re: Australian Maths Competition 2013 This years one was bloody hard, well the intermediate one was. I'm not sure about the other divisions.

nice work and nice improvement

thanks