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  1. ghostman_on_3rd

    Binomial Theorm

    o i c, you didnt bother with the negative in -4x/5 x = 2/3
  2. ghostman_on_3rd

    Binomial Theorm

    hello, i need help with this question: Find the greatest term in (5-4x)^12, if x = 2/3 Books answer: 12C4 (5^8)(8^4)(3^-4) My answer: 12C5 (5^7)(-8^5)(3^-5)
  3. ghostman_on_3rd

    Enviro through time question- help plz !

    hi im having trouble answering this question: "suggest a reason why the levels of ultraviolet were higher on land than in the ocean." Thanks in advance
  4. ghostman_on_3rd

    Simple harmonic motion question

    nice ! i understand, thanks man
  5. ghostman_on_3rd

    Simple harmonic motion question

    hi im having trouble with this question, i need help. A point moves with SHM; if when at distances of 3 and 4cm from the centre of its path, its velocities are 8 and 6cm/s respectively, find its period and its acceleration when at its greatest distance from the centre. thanks in advance<!--...
  6. ghostman_on_3rd

    Simple Harmonic motion

    lol pretty much u said same thing as i did....
  7. ghostman_on_3rd

    Simple Harmonic motion

    i assume the book's answer is wrong( -2pi m/s^2)? since no one got the same thing.
  8. ghostman_on_3rd

    Simple Harmonic motion

    book's answer is -2pi m /s^2
  9. ghostman_on_3rd

    Simple Harmonic motion

    Bit confused with shm...how do you do this question? A particle moving with SHM starts from rest at a distance of 8m from the centre of oscillation. If the period is 4 seconds, find the initial acceleration.
  10. ghostman_on_3rd

    Projectile motion, plz help

    woot i got it cheers guys
  11. ghostman_on_3rd

    Projectile motion, plz help

    hi, how do you this ? A body is prjected from a point 80m above the ground with a velocity of 20 m/s at an angle of 60 degrees above the horizontal. Assuming the ground horizontal, find when and where it will strike the ground thanks in advance
  12. ghostman_on_3rd

    Growth and decay

    Hi how do you do this question? An oven has been heated to a constant temperature of 250*c. An object with a temperature of 10*c is placed in the oven and after 15minutes its temperature is measured as 70*c What will be the temperature of the object after 30minutes? thanks in advance
  13. ghostman_on_3rd

    Growth and decay

    cheers!
  14. ghostman_on_3rd

    Growth and decay

    Hi can someone check the answer for me? i got 5488kg/m^2 but the answer says 8488kg/m^2 1. Air pressure at an altitude of a metres is given in kilograms per square metre by the formula p = p0 e^ka, where k = -0.00012. If the pressure at the earth's surface is 10000kg/m^2, what is the...
  15. ghostman_on_3rd

    What does everyone think of business studies?

    i find it abit dull and repetitive lol
  16. ghostman_on_3rd

    Notes

    i got 28 pgs
  17. ghostman_on_3rd

    Women in Pericles' Athens

    1. archaeological sources - pottery - i.e black figure vase paintings - few good ones out there- find it yourself =p --i.e the well known black figure vase painting of women spinning and weaving at home --> the jobs they had 2. According to Thucydides - in pericles famous funeral...
  18. ghostman_on_3rd

    HELP for ancient hist task ( needed any good topic excluded from the HSC syllabus)

    Re: HELP for ancient hist task ( needed any good topic excluded from the HSC syllabus I did the Mayans
  19. ghostman_on_3rd

    What happens friendzz!!. Let's tok more

    I got to go to the areas around Maitland - newcastle area *nsw* Mainly for the study of introduced species It was a combine subject camp with the geographers lol
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