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down into the ground, towards the center of the earth I don't think they'd be too picky

To implicitly differentiate, differentiate all x's normally, and with y's, differentiate like you would with x and then multiply by dy/dx(eg d(y^3)/dx=3y^2*dy/dx). Also, you can find points of inflexion with implicit differentiation with the second derivative.

Merewether High Read the sig

16, turning 17 in December. Still not youngest in my year

Its still nothing like it is in Europe. When i was in germany last year, petrol was 1.5 euros a litre ($2.50)

Your Seduction Style: The Dandy You're a non-traditionalist, not limited by gender roles or expectations. Your sexuality is more fluid than that - and you defy labels or categories. It's hard to pin you down, and that's what's fascinating about you. You have the psychology of both a male...

It might get more active as we get towards the business end of the year

with some questions like that you just have to crunch them out...

gorf(space invaders), wacky wheels, doom, golden axe (brilliant game) and double dragon were all awesome games

I think the parents were really selfish with the keeping her alive business. Plus, the husband had to put his life on hold for 15 years... you gotta feel bad for him

Also, with large acidic spills in the environment, solid calcium carbonate is good because the solid part also stops leakages.

when i first saw this question i thought you meant the whole holidays and i still thought of putting <5

definately. There are 2 girls in our class of 24

There is a way to do it mathematically. I think it was in the course a while ago, but its been chucked from the syllabus since then

Yeah, in my first 4U exam i got 48/50 lost one mark for saying 4*-4i=-8i lost one mark for putting a dot on 3 instead of 4 on polar grid paper I'm still hitting myself for not getting 100% on that test.

enthalpy change=Heat change/number of moles Heat=mass*change in temp*c (c is 4.18 for water, which is what you'll get in any question)

Using mechanics (4U maths): Resolving forces horizontally, Nsin15^o=(mv²)/30 Resolving forces vertically, Ncos15^o=mg dividing, tan15^o=v²/30g v=sqrt(30*9.8tan15) v=8.9ms^-1 definately not a physics question

Also, the brushes are made of copper instead of carbon, meaning a lot of friction

At my school the girls dominate bio, guys dominate physics and its pretty even in chem (numbers wise).

Yep, son of one of the doctors at that time. My brother was in year 12 in that year, and it was 1989. Quite shocking actually