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  1. M

    2009 Mathematics 2U HSC Worked Solutions

    Question 8 a) it asks , For which value of x is the derivative, f ' (x), negative? Well first derivative determines the gradient, i.e Slope. Shouldnt the answer be x < 1 As after x = 1 the derivative begins to increase meaning +ive slope. it is only negative for less than 1
  2. M

    Solutions

    Argh.... my STUPID MISTAKE not reading the question properly... lol i went from an estimate of around 105 to 95.....
  3. M

    Urgent Chem Help got test in 2 days

    Lol, Are you really, in year 10? im guessing you got your SC, just to let you know SC is wayy tooo easy. probably the hardest question you will get chem based is finding valencies haha
  4. M

    Maths 'Harsh Markers'?

    I can see why they would mark it wrong, since i didn't have an answer specific to the question. But then i wouldn't think they will deduct a mark, specially in Q 8 and 9 for the simple task of subbing back into formula or adding. Either way, there where some SHOW questions, which i kind of dnt...
  5. M

    $350 000 loan, $3 000 000 monthly repayments...

    ROB that's enough get off BOS LoL ! everytime i post you reply like 2min later .. nah jkks, i can see your anxious about your marks.
  6. M

    Maths 'Harsh Markers'?

    K well, the title says it. For example: i just realized upon looking at the paper once again, that for question 8) where you had to find the times. I managed to find the hours correctly, but forgot the simple task to add the hours onto 5 am, Sigh... Also in question 9) where it said find the...
  7. M

    Solutions

    Question 4) part (a) a= 2.3 r= 1.9 When you limiting sum = a/1-r the answer is - 4/3. Also isnt the answer to question 7 a) ii particle comes to rest at -e ? well thats what i got. Also, just realized in question 8, it asks for the TIME AAHHRGGHH.. I got the correct answers hours wise...
  8. M

    $350 000 loan, $3 000 000 monthly repayments...

    hmm... well i didnt get exactly 3 milliion... but i got something around $346 7000 cant remember exactly but it was in the 3 mills. i used the formula A= p ( 1 + r/100 ) ^n -M where r u divide by 12 since its in monthly payements. And also you times n by twelve which was 300 monthly...
  9. M

    Q 10.

    hmm.. Well. i can factorise, but i forgot too... Stupid me. i differentiated and got x^2 +x -1 or smthing but forgot to factorse further... hmm guess 1/2?
  10. M

    What mark do you think you'll get

    90-100 Would be cheering if i get 80% + for raw
  11. M

    band cut offs

    Re: Would this be enough for a band 5? BUT, im estimating your internal maths mark to be around 66. With a low band 5 mark in HSC. You will probably have a total of low band 4 for maths :D nah man, you will do good, i estimate 95+ ATAR
  12. M

    Q 10.

    For question 10, how did you guys prove it had no turning points. As in i found the qudratic= x^2 -X + 1= 0 or smthing but then i didnt factorise... Were you ment to? Also wat did the graph look like, and also C) ii Lol basically the whole thing ^^
  13. M

    Question 9.b.iv was bogus!

    Ok, well i got 1.25km ^^ But STUPID me, i forgot to calculate the total cost Zomg. ! is that 3/4 marks?
  14. M

    How much did everyone write?

    ^ Once again, they DO NOT mark you down on handwriting. Your hand writing could be worse than a year 3 students, but as long as they can read it it's fine. The markers might be impressed with neat handwriting, but they WILL NOT give you any extra marks The only way you will lose marks on...
  15. M

    Band 6 in Standard English?

    Hey guys, you reckon this year it would be easier to get band 6 in standard english? I don't get why not many people get band 6 in english, is it because their internal marks aren't all that great? or is it because the actual HSC markers mark striclty, Or is it because it hardly scales ( but...
  16. M

    Do you lose marks for having 2 related texts?

    Re: Called up Board of Studies regarding 2 related texts ^ +1 To all the people who wrote 2 related, Stop wasting your time on this thread, because you will NOT get marked down. And to the people who wrote 1 related ALSO don't waste your time, since it will not affect you in any way...
  17. M

    How much did everyone write?

    Actually... its both Quality and Quantity. if quality isn't good, they wont get marked down much due to there quantity, and how the student can express techniques and ideas from the book in more detail. Unless your just going on about SOMETHING totally insignificant than yea, but i highly...
  18. M

    How much did everyone write?

    i wrote 9 / 9 / 11 Wasn't really a hard exam
  19. M

    Section 1 - Stimulus

    how can you write that fast
  20. M

    Estimate what you got and how many pages?

    Section 1: 6/7 pages Section 2: 8 pages Section 3: 9 pages The people like me, who think they didn't write as much as some of the other people here.... Yes it's because they have amazingly big writing ^^
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