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  1. dotwingz

    Mathematics Predictions/Thoughts

    if they draw 80 000 a year for 6 years they only draw 240k, which is well below 1mil https://www.desmos.com/calculator/gq3aizmfim It was 24 years
  2. dotwingz

    help with a preliminary question on moles

    using stoichiometric ratios and the ideal gas law the ratio of substances can be determined: NxHy -> AN2 + BH2 10L : 10L : 20L 1 : 1 : 2 therefore, a = 1, b = 2 therefore x = 2, y = 4 therefore hydrazine is N2H4 for part B you use the combined gas law and the molar mass of the substance...
  3. dotwingz

    Latest i can pick up a subject?

    Sooooo at the end of term3 i decided not to pick up 4U maths, but im kinda regretting that now Whats the latest NESA allows kids to pick up a subject edit: https://educationstandards.nsw.edu.au/wps/portal/nesa/11-12/hsc/key-dates-exam-timetables/2019-hsc-key-dates It look likes 8th of March is...
  4. dotwingz

    Worked Solutions Cambridge/NSM

    Does anyone have the LandCo solutions for Cambridge/Fitzpatrick books I tried messaging him but hes been offline since april :C Ill be willing to pay for them
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