Search results

  1. L

    Inverse trig helppppopoo!!!!

    I got the first question part a.. But i keep getting 1/rt3 for the next bit.. And im stuck on q 2
  2. L

    Inverse trig helppppopoo!!!!

    1. A picture 1 metre tall is hung on a wall with its bottom edge 3 metres above the eye E of a viewer. Let the distance EP be x metres, and let theta be the angle that the picture subtends at E. a) show that theta us maximised when the viewer is root 12 metres from the wall b) show that the...
  3. L

    Help with Integrating Trig functions??

    Integrate sec^2(sinx)/secx Thanks
  4. L

    Help! How to write Ext his Process Log Book?

    How did you write your process log book?
  5. L

    Textbooks for Advanced English?

    Are there any particular study guides that you would recommend for Advanced Eng HSC?
  6. L

    Is it easy getting an atar above 90?

    What if i just get band 5s? And like 1 band 6?
  7. L

    Helppp with progress in production of artififcial blood

    analyse and present research information from secondary sources to report on progress in the production of artificial blood and use available evidence to propose why such research is needed. Thanks :)
  8. L

    Is it easy getting an atar above 90?

    Hey guys... So.. Is it easy getting an atar above 90, even just 91? Around what marks (estimate)do u have to get in all ur subjects? 80?
  9. L

    How to become a doctor in medicine?

    Hey guys, I just wanted to ask are there any other pathways to mbbs, rather than directly? Im afraid i cant get an atar in the high 90s.. Thanks :)
  10. L

    Integration questionss helpppppp!!!!!!! :(

    1. Calculate the area bounded by the graphs of f(x) = x^2, g(x)= 1/x^2 x>0 and the line x=3 2. Find the area enclosed by the parabola y= x^2 +1, the tangent y= 4x-3 and the coordinate axes 3. In what ratio does the X axis divide the area of the region bounded by the parabola y= 4x-x^2 and...
  11. L

    Urgent!! Need help with choosing ext his topic

    Ive been changing topics sooo much in the recent weeks. Suggestions with a historiographical topic?? Something with lots of info + interesting please!!
  12. L

    Area between 2 curves helpppp

    Umm.. I got 1 as the answer. But the textbook says 8. Am i doing something wrong?
  13. L

    Internal Assessment Mark Question!!

    Hey guys.. I was wondering approximately how much percentage do u need for the school assessment mark to get an atar over 90?? Would. 80-90% make it??
  14. L

    Area between 2 curves helpppp

    So then do i integrate 1/x^2 -x^2 from 0 to 1 then do the same for 1-3?
  15. L

    Area between 2 curves helpppp

    The answer is 8 square units :(
  16. L

    Area between 2 curves helpppp

    Calculate the area bounded by the curve f(x)= x^2, g(x)=1/x^2, x>0 and thr line x=3
  17. L

    Help with the Geometry of the derivative??

    1. If y= ax^2 +bx+c touches the line y=2x at the origin and has a maximum turning point at x=1. Find a, b and c 2. Sketch the graph of y= (x+1)^3/x
  18. L

    Ph calculations help!!!!! :(

    Thanks for ur help! But i still dont understand the first question :( did u get 1.6 for the second q?
  19. L

    Ph calculations help!!!!! :(

    1. 1.0ml of 10mol hcl acid are diluted to 1L with distilled water. 250ml of this solution are then further diluted to 1L with distiiled water. Calculate the ph of the final solution 2. 500ml of 0.15 mol sodium hydroxide solution are mixed with 500ml of 0.1mol hcl acid solution. Calculate the...
Top