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how many arrangements can be made by the letters of the word definition a)if the letters i don not occupy the first and last positions. b)if the letters i are together im pretty sure that b is easy im just having troubles getting a. i was pretty sure my working was correct but didnt match with...

edit: forgot to mention what subject, for chemistry

does anyone have the 2008,2009,2010 independent solutions plz, i want to to check my answers. thank you.

Re: Free English Preliminary papers. thankyouuu!!!!!!!!!!!!!!!!!!!!!!!

spi i am going to shorten the amount of tests i need, all i need is a few maths extension papers.

im just wondering because we are now doing things like naming alkanes, alkenes and alkynes and my teacher gave these messy as drawings which we have to name with name like 2-methyl-1,3-pentadiene and i am now thinking that this probably inst even year 11. am i correct.

are you free yet?, i need to start doing past papers.

spi when can you upload the papers edit: i found out that i am doing it for maths aswell

you can give them the rationalizing the denominator with the three surds in the denominator.

no whenever you are free, im still in the process of memorizing not ready for past papers until tomorrow anyways.

the 2010 exams for all three and solutions if u have them. 2009 and 2008 solutions for chem. i dont have many for physics and biology so however many u would like to upload is appreciated.

who else is doing the independent prelim paper for their yearlies, cause i am. i was wondering if anyone can give me a link to past papers for the three sciences thanks in advance.

is it mandatory to do physics. and if you dont is it hard to cope?

i had one yesterday and it was on precipitation reactions.

by looking at the fouintain pen i would have thought that it is slow, but then again i have never tried it.

no! he is for some reason using simultaneous equation.

or u could equate coefficients, finding an expression of sin alpha and one for cos alpha and through division get what tan is equal to, hence finding alpha, and use the formula u have to find r. instead of: and it helps to know two, one cos and one sine so that you can identify it quickly...

your answer is correct, and i like the pic. thanks

i cant seem to be able to do this question, like i dont understand the scenario. Amy rides a toboggan down a steep snowcovered slope. Starting from rest, Amy reaches a speed of 12 m s−1 as she passes her brother, who is standing 19 m further down the slope from her starting position. Assume that...

why all the prelim guys starting 4unit i feel like i am behind now.