Science & Mathematics - 4 September 2007

Integral [ square root ( sec^3(θ) * tanθ) ]

sec= 1/cos

2007-09-04 00:55:28 · 3 answers · asked by recobapro4 1 in Mathematics

2007-09-04 00:54:27 · 9 answers · asked by Anonymous in Earth Sciences & Geology

1.Find a quadratic function whose zeros are 3+-sqrt of 5

2.What must be the value of k so that the graph of f(x) = x^2 +kx + 49 will intersect the x-axis exactly once?

3.Find k so that the zeros of f(x) = x^2 + (k - 3)x - 25 are additive inverses of each other.

4. Determine the nature of the roots of the quadratic equation 2x^2 + 7x - 15 = 0


ty..

2007-09-04 00:53:50 · 5 answers · asked by xah8 1 in Mathematics

I have to look for a pure substance in my home and right it down for science but I'm not sure there are any? What are examples I might look for besides water?

2007-09-04 00:45:44 · 8 answers · asked by Anonymous in Other - Science

2007-09-04 00:40:44 · 12 answers · asked by Anonymous in Zoology

read some books and stuff on the internet actually claiming that the sun is actually a cube but that it rotates so fast that it looks and is captured as a sphere....soo anyone got any idea?

2007-09-04 00:40:01 · 16 answers · asked by Anonymous in Astronomy & Space

how to avoid electricity overloading and causes

2007-09-04 00:31:35 · 2 answers · asked by ponso 1 in Engineering

likes stars that burn out, will the sun die someday?

2007-09-04 00:22:38 · 26 answers · asked by Anonymous in Astronomy & Space

2007-09-04 00:13:14 · 3 answers · asked by GyuodHead 2 in Chemistry

And why does the property help explain why ice bergs float?

2007-09-04 00:08:47 · 4 answers · asked by Anonymous in Chemistry

2007-09-04 00:06:49 · 5 answers · asked by robert 1 in Physics

because since a was a child this question was haven't been answered so please tell me the answer immediately so I can stop asking questions from my parents.

2007-09-04 00:04:32 · 8 answers · asked by Honilyn A 1 in Zoology

I thought it was one hurricane per letter.

2007-09-04 00:03:37 · 5 answers · asked by LolaC☼ 4 in Weather