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pre-lim 1/2 half yearlies on monday.information needed for physics and chemistry. all intel welcome.resources page is mixed with pre-lim and hsc stuff. thnx.

"exploitable thanks"and ministoj it works and "acid+metal" reactions are supposed to do that so ill ask my friend tomorrow. (my friend asked me this questions so i d.k where he got it from.

Can somebody please balance this equation or me.Iv'e been trying or ages. pb+hn03=pb(no3)2+h2o+no2 or lead plus nitric acid equals lead nitrate plus water plus nitrogen dioxide. maybe the equation is wrong because i cant balance the number of hydrogen atoms on both sides but all the rest.

alright the first one is: 1.find the values of x or which 3/x>-5 i got x>-3/5 but whats the other solution?. and 2.solve simultaeously 3x/4-2y/3=4 x/2-y/6=6 thnx in advance.

comments please.

okay,im pretty new to this-are you sure this is in this topic?,anyway i think iv'e got an answer. a) a + (1/a) >= 2, for a > 0 therefore is a=2 it follows that 2+2/1 >2 (a>0) 2.5 > 2 therefore the equation is correct. b)(a+b)/2 >=...

1.I dont know why but for some reason i get really,really hungry every 2 hours and i need to eat fruits and drink juices to get rid of the pangs everyday. is there any solution to this. And how long does it take for muscles to recruit after 100 push-ups (20x5) ,210 body-weight...

how come you didnt add a quesion stevey?.Anyway ill just add one from a book. solve:25x^2=81

Im pretty sure most of you know how to play but for those who dont a marathon thread is basically a fun knowledge,skill based game for educational purposes. The rules are simple just post a question on the thread relating to the topic and then somebody answers it.whoever answered the...

I'm pretty sure most of you know what a "marathon" is but for those who don't its basically a game. in short a person posts a question for the current topic and somebody else solves it and posts their own question related to the topic. -Please include working out (since most 3u and 2u exams...

basicaly my teacher gives us a page of notes,2 easy examples and expects the class to finish their h.w by the next lesson.the problem is their is litttle to no congruency between her lessons and the h.w she gives-there still the same topic but its that the h.w is much harder than the notes and...

Basically does anyone know where i can find worked solutions (working out) to the excercise's in this book?.

what tactics do u use,i mainly play hardcore teamdeath match.So im usually running and looking over corners for enemies to shoot at with my lmg.So what tactics do u use. on the highrise map=usually cover the flanks and follow team and pop in and out of corners. estate usually snipe key...

thnx,ninety

I added the question verb,if that helps.e.g factorise and simplify.

yep,isn't thats how ur supposed 2 do it?

what do you mean?

Basically,im doing the excersices from the fist chapter of my 2u excell book for this year an theirs are few questions i'm stuck on.(working out and solutions are provided at the back but-these are tricky questions that i can't get.So please explain whats going on here step wise.Thnx in advance...

psn name:Suva 16