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84-76 84) (2^x - 8)(2^x - 2) 83) (4x^2 - 1)(x^2 + 3) 82) (5^x - 5)(5^x + 4) 81) p has to be greater than 4/5 80) equal or rational? i dont get what its sayin... discriminant = root (81+8) = root 90, hence it has real roots, roots r not equal and they r not rational? 79) dicriminant =...

i had to buy a new calculator yesterday bcoz mine isnt approved anymore.. i dont understand why, but since 2004, my calculator isnt board approved anymore.. and i purchased it in 2003..

u cud have tried on ur calculator

note the sign '| |' |x|=5 --> x= +/- 5 therefore for |x-2|, 'x-2' can be either positive or negative, hence two possible value for x.. his answer looks right to me, hsc: 2008? dont they teach absolute value in year 10?

yo i got a copy from frnd n did it on my own today used exactly 2 hrs, no reading time, and got 73% but they made 2 different copys for 2006, dunno which one u did. gonna attempt the other one tomorrow. thought it did badly aswell =/

2. (i) not more than one will die within the next year 60 die - 0.03, 65 die - 0.04 not more than one will die: 1. 1 of 60 dies, 65 all live 2. 1 of 65 dies, 60 all live 3. all live! 1. 3C1 x (0.97^2) x (0.03) x (0.96^2) = 0.078 2. (0.97^3) x 2C1 (0.96) (0.04) = 0.07 3. (0.97^3)...

lol i dont like typing here Q1 http://img134.imageshack.us/my.php?image=math1me0.jpg ooops made a mistake! read webby234's or heres the edited one http://img246.imageshack.us/img246/552/maths2vi9.jpg

lol ive only used excell

yea ofcourse, if i had that money n knew exactly how im goin to make profits then i wud have finished schooling two yrs ago and start a business on my own.. then definately i wudnt be goin to uni.. the reason i wantd to do a course thats 'related to business' is because those jobs not only...

yo type the question?

yea but it wud certainly be a waste... 3~4 yrs of studying sumthin that becomes completely useless to u at the end... well ill have to see what uai i get then choose the right course for myself, u can do that yea? my teacher said u can still change ur preference of courses afta u get ur uai...

mmm i have thought abt it, this cud be another choice.. but id really like to work in a business coz i dont like working for ppl, and i think my final goal is to own a business by myself... n i like to play around with different sorts of investments, work out the chances to earn profits etc...

mm? meaning?

for the 1st month in yr11 i studyed 3u maths 2 times a week(at home), each time around an hour.. then studyed 4~6 times through the rest of year, usually just the craming b4 exams.. each time around 3 hrs.. i think i studyed 5~6 hrs the night b4 prelim exam... how i study? mm in classes i...

yea i gotta work on my physics... actually i gotta work on my english more, coz i knew the answer to most questions in the exam (85%+ ) but i wasnt able to explain properly, sir said he didnt like the way how i beat around the bush most of the time.

well im doin 4u, one day, this friend of mine offered me a question from general maths, i had no clue how to start... and i didnt do too well in 2unit either... i guess im just beta at 3u n 4u...

53%!!! damn it

i started likin physics a month b4 my trial and read the whole text book in a month.. and guess what? now ive just droped business studies

Answer The statement supposed made by Lovell reflects an understanding of physics in that, at the completion of the rocket burn, it will be the gravitational forces acting and the inertial properties of Earth and spacecarft that determine the path followed by the spacecraft. It was Isaac...

post up a copy please? thanks