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  1. W

    Dear HSC students: where are you up to in Chemistry? I think we're a module behind.

    So since there are four modules in a year and 4 terms, surely we'd be halfway through chem monitoring and management by now, right? No, we're still doing the acidic environment. Actually, we're about halfway through. My chemistry teacher's a bit of an idiot so I was wondering if maybe the last...
  2. W

    Help! Question from Maths in Focus Challenge Exercise 6 - Applications of Calculus

    Re: Help! Question from Maths in Focus Challenge Exercise 6 - Applications of Calculu Wow that was really quick! I feel so stupid now. Thanks a lot though.
  3. W

    Help! Question from Maths in Focus Challenge Exercise 6 - Applications of Calculus

    5. The population of a flock of birds over t years is given by the formula P = Poe0.0151t b) What will be the percentage increase in population after 10 years to the nearest per cent? Had no problem with part a, just need b. Thanks in advance.
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