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  1. B

    Mathematics: Post your doubts here!

    dude i answered your 1st post and explained there have a look
  2. B

    Mathematics: Post your doubts here!

    man up you dont need a guide solve past papers looks at marks scheme for examiners point and you will be more than good to go
  3. B

    Mathematics: Post your doubts here!

    you dont need formulas for ven diagrams just have a look at given info and you can solve the question any question you have came across that needs that formula?
  4. B

    Mathematics: Post your doubts here!

    i answered that question few pages back
  5. B

    Mathematics: Post your doubts here!

    FOR STARTERS YOU DONT USE ALL CAPS secondly the questions like that are for only 1 mark so you dont need to show working
  6. B

    Mathematics: Post your doubts here!

    sorry i am busy right now i ll try to reply later if no one answers your post
  7. B

    Mathematics: Post your doubts here!

    the accuracy is to 1 decimal place so = 0.1/2 = 0.05 Lower bound A1 = 23.3-0.05=23.25 Lower bound for b1=19.7-0.05=19.65
  8. B

    Mathematics: Post your doubts here!

    well its the formula for the sum of internal angles where n is the number of sides since the given diagram has six sides (6-2)*180=720 the general formula is (n-2)*180 you may need it for some questions in p4 :)
  9. B

    Mathematics: Post your doubts here!

    lower bound for area =23.25*19.65 lower bound for perimeter=2(23.25+19.65) about the question 12 edc=180 - 109 (angles between parallel lines add up to 180) =71 FAB= ABC sum of internal angles = 720 angle EDC = 109( parallel lines) let fab = abc= x 2x+95+109+71+109=720 2x=720-384 x=168
  10. B

    Heve trouble for maths 0580................pros are here

    guys there is already a thread for maths please use it it will be easy for everyone to have everything in one place
  11. B

    Mathematics: Post your doubts here!

  12. B

    Mathematics: Post your doubts here!

  13. B

    Mathematics: Post your doubts here!

    bio is not hard yeah but it is boring chemistry is easy and interesting same goes for physics
  14. B

    Mathematics: Post your doubts here!

    bio = classic rata no concepts maths= all concepts no rata besides if my school didnt force me to take bio along with physics and chem i would never do it lol calculus baby <3 gonna love it in AS enjoyed it in add maths
  15. B

    Mathematics: Post your doubts here!

    no problem bro keep the questions coming and pray for me :)
  16. B

    Mathematics: Post your doubts here!

    360-(66+90+120) next part 90/360 *60
  17. B

    Mathematics: Post your doubts here!

    cie only restricts graphical calculators because u can store data and formulas in them other than that every calculator is allowed i had additional mathematics exam in november and i did use 991 ES they just asked me to remove the back cover
  18. B

    Mathematics: Post your doubts here!

    part a sin(x)= cos(x) the point where graph intesect part b take a point on graph were the sin x and cos x are 0.5 points apart area of grass is pie 8 sq 45/360 * 2pie12 multiply this answer by 4 to get answer for all 4 distance is same the graph is a triangle so 1/2*16*h=130 solve this to...
  19. B

    Mathematics: Post your doubts here!

    f in verse is log(base10)X take x as 1 answer will be zero because anything with the power zero answer is 1
  20. B

    Mathematics: Post your doubts here!

    sorry but this thread is for igcse maths
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