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1. ### 中二數學問題求幫忙(15點)

圖片參考：http://imgcld.yimg.com/8/n/HA00100646/o/701208310030813873365220.jpg Hope I can help you.

2. ### 中二數學問題求幫忙(15點)

1)Let there be x hamburgers and y sundaes :11x + 6y = 89 11x + 6y = 77 + 12 6y - 12 = 77 - 11x 6(y - 2) = 11(7 - x) y - 2 = 11 (7 - x)/6Let 7 - x = 6n , then x = 7 - 6n , so y - 2 = 11n, then y = 11n + 2.For x = 7 - 6n > 0 , n = 1 only. So x = 7 - 6(1) = 1 and y = 11(1) + 2 = 13. 2) 3√27 * 2...

3. ### 中二數學問題求幫忙(15點)

...29分之49) =-√225/49 =-15/7 NOTE:帶分數要轉做假分數先至好simplify Evaluate 3.(6√3)+(5√3)-(3√3) =√3(6+5-3) =8√3 4.(√125...

4. ### 數學用詞英文翻釋

1）精確值 2）自然數 3）整數 4）餘數 5）被除數 6）除數 7）減去 8）因子 9）素數,質數 10）指數表示法 11）真分數 12）假分數 13）混合數 14）分子 15）降序 16）共同因素 17）常見多發 18）最常見的因素 19）最小公倍數 20）基部 21）指數 22）整數...

5. ### Why do we need to study Geo?

...which he interacts with the environment in any given place. 4.To evaluate the effectiveness of measures adopted to tackle geographical problems...

6. ### Mathematical Induction

1)1^2 + 2^2 + 3^2 + ... + n^2 = n(n+1)(2n+1)/6When n = 1 , LHS = 1^2 = 1(1+1)(2+1)/6 = RHSAssume that when n = k the statement is true , i.e. 1^2 + 2^2 + 3^2 + ... + k^2 = k(k+1)(2k+1)/6When n = k+1 , 1^2 + 2^2 + 3^2 + ... + k^2 + (k+1)^2 = k(k+1)(2k+1)/6 + (k+1)^2= (k+1) [ k(2k+1)/6 + 6(k+1)/6 ]= (k+1) (2k^2...

7. ### Primary Secondary sources

..., or articles found in scholarly journals that evaluate or criticize someone else's original research.But a newspaper article when the reporter...

8. ### BINOMIAL!!

Please see the solution below: 圖片參考：http://img230.imageshack.us/img230/449/binomialxx.png 2010-01-22 22:29:09 補充： http://img230.imageshack.us/img230/449/binomialxx.png

9. ### 學習歷史的好處(英文)急!20點

...reflect the loopholes of our embraced civilization, as well as evaluating the diplomatic philosphies of our ancient leaders. ...

10. ### urgent,maths in excel,help pl

如要每下拉一格, 值加一, Excel是用ROW函數 任何一格, 輸入 =ROW(A1) ←傳值為 1 下拉一格, 公式會變成 =ROW(A2)←傳值為 2, 如此類推 如輸入 =ROW(A1)-11←傳值為 -10 下拉一格, 公式會變成 =ROW(A2)-11&larr...