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  1. L

    Mathematics: Post your doubts here!

    Thank you sooo much, now its very clear, but shouldnt there be two answers ?
  2. L

    SATs vs A2. Confused! Please help!

    FYI, alevels are considered very much for usa and if you have bad alevels but good sats( because alevels show that you can handle pressure and study well in school, because alevels show universities your recent work and effort, and they will base your admission on that) , you still wont have...
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    Mathematics: Post your doubts here!

    anyone....
  4. L

    Mathematics: Post your doubts here!

    Yeah
  5. L

    Mathematics: Post your doubts here!

    https://latex.codecogs.com/gif.latex?sinx&space;+&space;sin(180-x)=&space;1/2
  6. L

    Mathematics: Post your doubts here!

    No man i didnt write it, it was just a question that the teacher gave us...
  7. L

    Mathematics: Post your doubts here!

    can someone tell me how to solve this question they ask for the range -90<x<90 and they ask to solve sin(x)+sin(180-x)=1/2 what laws and theories do i need to know apart from the quadrant rule and the trigonometry identity ?
  8. L

    Chemistry: Post your doubts here!

    And what was the FA6 ? So4 and ?
  9. L

    Chemistry: Post your doubts here!

    Im not sure tbh, I did the paper and the experiment was exothermic, and the idea was that at the start of 3 minutes it would increase and then as time goes by, the temperature decreases, like I started with 45 then it was 50, highest was 57 then it decreased, to about 30-40 cant remember sorry...
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    Chemistry: Post your doubts here!

    guys M/J paper 11 2010 question 4 and 5 please help guys !! thanks much appreciated !!! I dont know how to insert the image as photo and cropping,, so I just uploaded one page from questions.
  11. L

    Chemistry: Post your doubts here!

    h bond
  12. L

    Chemistry: Post your doubts here!

    guys paper 5 june 2014 - 51 question 1 a / ii / how can i calculate the volume of nitrogen iv oxide and oxygen ?
  13. L

    A level Biology: Post your doubts here!

    and also from May june 2007 paper 4, question 4a : Describe the role of insulin in the regualtion of blood glucose concentration ? why in the MS its written about K+ ions pump and Ca2+ ions ?????????
  14. L

    A level Biology: Post your doubts here!

    guys whats may june 2007 paper 4 question 7 c) i and ii ? i got confused why is is not for offspring genotypes male: CbCw, CbXA and for female; XAXa and XACb i did not do power to B etc ? C^B So i hope u will understand better .
  15. L

    Chemistry: Post your doubts here!

    guys if I practice pastpapers open book only, can I get a* grade ? or whats the way to get that a* in 3 weeks ?
  16. L

    2015 May/June help?? biology chemistry physics cie AS level zone 4

    have u finished the syllabus revision by yourself ?
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