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  1. ...k - 1) = 0 k = - 3/2 or k = 1 (C) 28) If f(x) and g(x) intersect at more than 1 point , then x² + ax + 1 = x² + bx + 1 (a - b)x = 0 more...

    分類:科學及數學 > 數學 2013年03月04日

  2. 1. Rearrange the weights :255, 280, 290, 310, 315, 330, 330, 370(a) mean = sum/8 = 310 g mode = 330 g median = (310 + 315)/2 = 312.5 g (b) In order to increase the mean by adding 3 more pieces of steak, the sum of these 3 pieces must greater than 3*310 g, ie 930 g.In...

    分類:科學及數學 > 數學 2015年01月11日

  3. ...1, b = -1 L2: -x + y + 3 = 0 When L1 and L2 intersect at (a,b) a + b - 1 = -a + b + 3 2a = 4 a = 2 Hence, a = 2, b = -1 ...

    分類:科學及數學 > 數學 2015年01月11日

  4. ... who are older than he and ask for pass exam paper. Have mock exams at home, it can help to improve his absent-minded. Hope I...

    分類:教育及參考書 > 教學 2007年02月16日

  5. I could not download the solution since I am not a member; but here is my advice which should be correct : r,s,t are non-negative integers, so each of them range from 0 to 9, and r + s + t ranges from 0 to 27. Suggested answers to the...

    分類:科學及數學 > 數學 2008年03月05日

  6. 這是 AT Mock Paper 6 的第36條吧! 首先要把題目分開理解 第1 : 我們要知道一格...

    分類:教育及參考書 > 教學 2008年07月08日

  7. ... didn't prepare well. After the exam, when I looked at the 4 mc questions which I should not have done wrong in the mock paper, I really wanted to scold myself but anyway, I must not...

    分類:社會及文化 > 語言 2007年03月16日

  8. ...angle of the quad. as the sum of a and b. Next, 360* - c = 2 ( a + b ) ( ∠ at centre twice ∠ at ⊙ ) a + b = 180* - c / 2 Hence the answer...

    分類:科學及數學 > 數學 2008年04月12日

  9. ... half year left and now you are learning F.7 material. Mock exam starts at around Feb or March and you have your first exam on 31...

  10. ... (音节). Ususally the is a summary(总结) part at the end of each chapter. It includes the main points. ...