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  1. H

    Inverse trig help

    can someone pls help with part i)
  2. H

    Help pls- series and finance

    Can someone pls do part a). I got a different answer to the textbook:(
  3. H

    Rates 2U- 2005 HSC

    Need some help with iii) plss
  4. H

    2018 HSC q

    Can someone pls explain how to do the last part (iv)--> Ans is 9 root3
  5. H

    Need some help with chem q's

    Can somebody pls explain how to do these? 18) Ans is D but I got B 15) I got D but and is C Ans is C
  6. H

    Yr 12 Mass spec

    Are we meant to know how to answer this question for the HSC? Like knowing the masses of the different isotopes of bromine? Q Ans:
  7. H

    Soaps

    Anybody know how much detail/content we need to know about soaps/detergents under Mod 7?
  8. H

    Hydrocarbons

    Shouldn't this have 14 hydrogen atoms? Ans is 10...
  9. H

    Effects of a current account surplus?

    Positive and negative^
  10. H

    Continuous probability

    Can someone pls explain how to do part e?
  11. H

    Technique?

    Is this anadiplosis? "what I have invaded has invaded me"
  12. H

    Essay plan for monetary policy

    Explain how changes by the RBA in the stance of monetary policy can affect economic activity in Australia Can someone suggest a quick plan to this essay question?
  13. H

    Naming hydrocarbons

    For halogenated alkanes, say there is a chloro and fluoro on different positions of the chain...which one gets priority in numbering?
  14. H

    IR Spectra

    How do you know this is propanone and not propanal?
  15. H

    Gov policies

    Is introducing compulsory superannuation part of fiscal policy?
  16. H

    Are transgenic organisms and GMOs the same thing?

    ^^
  17. H

    Bio Prac relating to mutations

    I've got a bio prac coming up next week where we will be asked to model and analyse the consequences of point mutations. Does anyone have an idea of what type of modelling this could be?
  18. H

    Projectile motion

    Need some help with this...
  19. H

    Non-differentiable curves

    Can people list some curves that aren't differentiable?
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