# Yahoo奇摩 網頁搜尋

1. ### proof-sphere in a cylinder(3D)

... Take a hemisphere. Surround it by a cycliner of the same radius as the hemisphere, and... of base x height. Now, take an inverted right circular cone...just involves writing out the areas of the three different...

分類：科學及數學 > 數學 2007年09月08日

2. ### how to do hw faster?

... not tempted to look at it while doing homework. Tell... and get them out of the way, then you can breeze through the...behind you. Have a snack and take a break for supper. Work steadily...

分類：科學及數學 > 數學 2017年04月18日

3. ### about complex number

...positive or negative. To find out the square root of a complex number, we have...real values, we can change it to: 圖片參考：http://i117.photobucket...θ should be positive or negative. Taking the example below: 圖片參考：http...

分類：科學及數學 > 數學 2007年02月18日

4. ### Solving Maths Equation!

...2. 5, Make x the subject of the fomula b=2x +(1-x)a b=2x+a-ax...gt;ac(b-d) when we factorize, we take out the common factor for example, in this question...want to ask a question: a, x2-(y-z)2 it is x square or x times...

分類：科學及數學 > 數學 2009年01月05日

5. ### 急 Exponetial Functions 連答案 80分

...25000 Interest rate per period = 4%/2 = 2% Number of periods = 2n A = 25000 * (1 + 2%)^(2n) Hence...0.94^2) A = 5000 (54b) Water running out in the 5th minute = [5000(0.94^4) - 5000(0.94)^5] cm^3 = 234...

分類：科學及數學 > 數學 2011年11月14日

6. ### 概率問英文問題....(10分,急)

------------------------------------------------------------------------------------------------------ 圖片參考：http://img716.imageshack.us/img716/7959/statisticsg.png 2010-11-02 12:46:28 補充： http://img716.imageshack.us/img716/7959/statisticsg.png 2010-11-02 12:48:27 補充： 第1題 有少少打錯 the probability he went via...

分類：科學及數學 > 數學 2010年11月03日

7. ### 數學inequalities 高手請進

...least 500 cm³ of liquid B is to be taken out . Question 20 Let x min be the amount of airtime William used last month. It is given that x < 350...

分類：科學及數學 > 數學 2013年11月11日

8. ### 點搵一組grouped data既median?

...know why we need to multiply it by 1? It &#39;s because the 20th item is the first number of the fifth class interval. Take an example,if you want to find out the median of the 23th item.That...

分類：科學及數學 > 數學 2007年08月20日

9. ### math question, find the domain and range

...infinite or +infinite you can try to work out from the domain of x by putting some value of ... of the function value is it increasing or ...or equal to 2 square root can be take on positive value or negative value so...

分類：科學及數學 > 數學 2008年05月31日

10. ### calculator顯示不清楚,有解決方法嗎?(urgent!!)

...panel itself is getting faulty. It could be one of the following problems: a. The... be replaced. I suggest you take back the calculator to either Onflo or ...

分類：科學及數學 > 數學 2008年04月14日