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  1. K

    Energy question

    Thanks that is what I got but the solutions say it’s 20 minutes 🤷‍♂️
  2. K

    Energy question

    Please help
  3. K

    Financial maths into question

    John bought a TV for $3250. He paid a 10% deposit and made monthly repayments of $96 for 3 years. What annual flat rate of interest was John charged?
  4. K

    Financial maths question please show all working

    John bought a TV for $3250. He paid a 10% deposit and made monthly repayments of $96 for 3 years. What annual flat rate of interest was John charged?
  5. K

    Trial past paper please help

    Thank you so much. Can you help with these two questions? https://imgur.com/gallery/ppTlaw5
  6. K

    Area of a region

    Draw a sketch of the curve f (x) = 3 cos x and the curve g(x) = sin 2x in the domain 0 less than and equal to x less than and equal to pi. and then find the area of the region bounded by the curve f(x) = 3 cos x and the curve g (x) = sin 2x in the given domain.
  7. K

    Please help

    A percussionist is experimenting with designs for a xylophone. It is to be symmterical in shape. The shortest woden bar is to be 10cm long and the consecutive bars will differ in length by b cm. The total length of all the wooden bars is S cm. Let the number of wooden bars be 2n+1. i)...
  8. K

    Please help with the following trial questions

  9. K

    Trial past paper please help

  10. K

    Past trial hsc papers

    Anyone willing to choose a question or as many as they want and write the solution so I can that my working out is correct. https://imgur.com/gallery/KbClGdu Thanks
  11. K

    Probability question please help

    Okay I figured it out. Shadia continues for 26/36
  12. K

    Probability question please help

    The solution in the book is 1/2??
  13. K

    Please help with these probability questions

    1) there are two white and three black discs in a bag. two players A and B are playing a game in which they draw a disc from the bag and then replace it. player A must draw a white disc to win and player b must draw a black disx. player a goes first. find the probability that A) player b wins...
  14. K

    Probability question please help

    Shadia has invented a game for one person. she throws two dice repeatedly until the sum of the two numbers shown is either six or eight. if the sum is six, she wins. if the sum is eight, she loses. if the sum is any other number, she continues to throw until the sum is six or eight. calculate...
  15. K

    Would anyone check my solutions to a few probability questions

    https://imgur.com/gallery/w3DX7QV Please can you check through my solutions and see what mistakes I’m making. I must admit 17b I had no clue
  16. K

    Can someone please help

    https://imgur.com/gallery/8vDutDY Can someone please help with Q19, Q7b,c,d and Q8c i and ii Please show all working Thanks in advance
  17. K

    Series and sequences

    one sunday,120 days before christmas, franksworth store publishes an advertismenr saying 120 shopping days until christmas. fraksworth subsequently published similar advertisments every Sunday until christmas. A) how many times does franksworth advertise? B) find the sum of numbers of days...
  18. K

    Series please can someone do 10b

  19. K

    Sequences and series questions please help

    Okay I just need the solution to Q10b can someone please show me the solutions or provide hints on how to start it. Thank you in advance