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博士級忠實車迷

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解答529

A super car fan

  • 男仔銀包入面應該有d咩?

    男仔銀包入面應該有d咩?

    5 個解答其他 - 遊戲及休閒7 年前
  • proportion and probability

    1. A software house found that the project value received over the past year were approximately normally distributed , with a mean of $43,000 and a standard deviation of $8,500 . Suppose the project value remains the same next year.

    a) What proportion of new projects would you expect to be $35,000 or less?

    b) What proportion of new projects would you expect to be between $30,000 and $45,000?

    2.The probability that a bearing meets a specification is 0.92 . Six bearings are picked at random . Calculate the probability that

    a)all six meet the specification

    b)more than four meet the specification

    c)one or none meets specification and

    d)and exactly four meet the specification

    1 個解答小學及中學教育7 年前
  • exponential & logarithmic

    1. solve the equation e^(x) - 4 + 4e^(-x) = 0

    2.solve the equation log 10(x2)= (log10 x)2

    1 個解答小學及中學教育7 年前
  • physics question(statics)

    please help me to solve the question below,thx!

    圖片參考:http://imgcld.yimg.com/8/n/HA00015992/o/2012102212...

    1 個解答小學及中學教育8 年前
  • ive一問,thx!!!!

    我係今年dse畢業生,假設我2年後hd總分過80分或以上,但依2年完全冇參與校內任何活動,咁非聯招D大學會吾會吾肯收我?

  • 機場快線收費一問

    想問我用成人百達通由青衣站到機場站要幾錢?如果吾落車去埋博覽館站又要幾錢?THX!

    3 個解答鐵路10 年前
  • F.4 quadratic equations

    1.Consider f(x)=x^2 - 3x +1 and g(x) = 7+2x.Find the values of x such that f(x+1) = g(3x)

    2.If h(x) = 7x^2 - 10x -12 and k(x) = -(5/3)x , find the values of x such that h(x) = k(7x+6)

    1 個解答數學1 十年前
  • About quadratic equation

    1.Given that the quadratic equation f(x) = 2x^2 - kx +12 attains its minimum value at x=5/2 .Find

    a)the value of k

    b)the greatest value of 4 - f(x)

    2.Given 2x^2 + 6x +9 = a(x+b)^2 +c,where a,b and c are real constants

    a)Find the values of a,b and c

    b)Hence,write down the least value of 2x^2 + 6x +9

    1 個解答數學1 十年前
  • F.4 quadratic equation

    1.If a and b are the roots of the quadratic equation x^2 - 3x +1 = 0,find the quadratic equations whose roots are given below:

    a. 4a-3,4b-3

    b. 2/a^2 , 2/b^2

    c. 3a^2 + 2,3b^2 + 2

    2 個解答數學1 十年前
  • F.3 Math Trigonometric

    1.Given that tan theta = 3/4 , find the values of sin theta and cos theta by using trigonometric identities.

    2 個解答數學1 十年前
  • 視頻檔案(10分)

    請問現時有什麼視頻檔案(視訊軟件、硬件)(請詳列)

    THX!

    1 個解答軟體1 十年前
  • rc car

    Which rc car can turn on the headlight,the left and right signal light,the .When it brakes,it can turn on the brake light(the red light).When it is parking,it can turn on the parking light(the white light).

    1 個解答興趣及手工藝1 十年前