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a) √2^2 x 3^2 x 5^2 = 2x9x25 = 450 b) -√4x9x16 = -2x9x16 = -288 c) √0.01 x 0.25 = 0.1x0.25 = 0.025 d) √147/48 = 1.75

2. ### Square Numbers

... to figure out a general equation, substitute some values or plot a graph to evaluate the result..

3. ### F.4 maths.

1. 2sinβ+1 =0 sinβ=-1/2 β=210 or 330 2. tanβ cosβ+ 4sin(180-β) =(sinβ/cosβ)cosβ+4sinβ =sinβ+4sinβ =4sinβ 3. tan150+cos330 =tan(180-30)+cos(360-30) =-tan30+cos30 =(-√3/3)+(√3/2) =(3√3 - 2√3)/6 =√3/6

4. ### 數學 F.3 難題

Explanation as follows: 圖片參考：http://i238.photobucket.com/albums/ff245/chocolate328154/Maths314.jpg?t=1216446684 2008-07-19 13:54:39 補充： Please tell me if I have misunderstood your question.

5. ### [中3升中4]數學問題

1. Let the equation of ST be y=mx+c. Sub coordinates S and T into y. -1=-4m+c------------(1) 3=2m+c--------------(2) Sub (1) into (2). 3=2m+4m-1 m=1/3 Sub m=1/3 into (1) -1=-4(1/3)+c c=1/3 Equation of ST...

6. ### EPA question

...teacher-the teacher is in control of group membership Student work is evaluated solely by the teacher Implementation considerations To...

7. ### 翻譯 to english

...private life the picture, very is generally speaking difficult to be able to evaluate inelegant or obscene, even if is evaluated not elegantly, the fine very...

8. ### Byzantine empire的3條問題!!~ (20 分!!!)

Byzantine Empire in about 1000 had control most of the regions around the Mediterranean Sea. Yes, he revived the roman empire, and it is called New Rome. His contributions...