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# brittanna (Online)

## Peer Of The TSR Realm

Last Activity 1 Minute Ago

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1. erniiee
4 Days Ago
Thanks for the rep - remind me to rep you tomorrow, I've run out of rep too
2. Revisionbug
1 Week Ago
Sorry to bother you i know your doing much more biggrr things but i just wanted to ask as i hv m1 c1 on monday in terms of exam technique wht tips would you give someone aiming for a hundred i always mke dumb arithmetic mistakes they pile up as a result iv nvr got above 72 in a c1 ppr atm im doing solomon pprs any exam tips for those high marks like speed i shud work at or checking my work?
3. laurawoods
2 Weeks Ago
Thanks for the answer! I understand now!
4. laurawoods
2 Weeks Ago
Thanks for ur answer! Just another very quick question to ask u : when they say use trapezium rule with 1 strip how many parts do we divide our trapezium into ? is it two?
5. laurawoods
2 Weeks Ago
Please can u also look this following question:question no 7 on here:

if we took out the A+ 2sqrt 2 (cosx-sinx) would that have been okay?

http://www.school-portal.co.uk/Group...urceId=3992030
6. laurawoods
2 Weeks Ago
Hello Brittanna , pls can u help me clear up some Maths doubts:

1)
Hello, pls can u have a look at this question :

question 6b from here
http://www.school-portal.co.uk/Group...urceId=3992068

I did in this method:

lnN = kt + c
then I did N= e^(kt +c)

N= e^kt *e^c
N= Ae^kt
But, then to find what A is:
N0= A*e^0
Therefore , A= N0.
then i subbed it back in to get N= N0e^kt

But then the mark scheme has got a different method on , pls can u have a look if i would get the marks :

http://www.school-portal.co.uk/Group...urceId=3992056
7. CantonHero
3 Weeks Ago
Not sure whether you copied my profile picture or it's just a coincidence....:P
8. laurawoods
4 Weeks Ago
Hello , pls can you provide me some help with the transition metals isa?
9. laurawoods
4 Weeks Ago
Hello, pls can you help me with this question on maths?

http://www.thestudentroom.co.uk/show...375&p=42315450
10. laurawoods
15-04-2013
Oh my god some serious marks there! Pls can u help me out with the rate of reactions one...I am doing it on friday!

• ### About brittanna

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• Last Activity 1 Minute Ago
• Join Date 11-12-2011

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Age 18

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Join Date 11-12-2011

Total Posts 1,501