Science & Mathematics - 13 February 2007

So Vertex: -b/2(a)
when i plug that in i get 30/2(25) = 30/50= 3/5

But the answer is -4 why cant i get it?!

2007-02-13 00:45:02 · 3 answers · asked by Anonymous in Mathematics

2007-02-13 00:44:23 · 15 answers · asked by Anonymous in Physics

PLEASE HELP ASAP

2007-02-13 00:43:38 · 1 answers · asked by Anonymous in Mathematics

2007-02-13 00:42:38 · 4 answers · asked by Raffaele B 2 in Engineering

2007-02-13 00:42:10 · 1 answers · asked by alive_axis 1 in Engineering

2007-02-13 00:41:15 · 3 answers · asked by Raffaele B 2 in Engineering

2007-02-13 00:40:09 · 9 answers · asked by Yasmin H 3 in Zoology

when we view an object, as the light enters the eye lens the image is turned upside down, does rthis mean that in reality, our world is up the other way to what we see it?

2007-02-13 00:38:43 · 3 answers · asked by Anonymous in Physics

2007-02-13 00:34:28 · 11 answers · asked by caspianxi 1 in Zoology

The longest in europe is in Clumber Park which is the second but where is the worlds longest?

2007-02-13 00:34:18 · 1 answers · asked by Anonymous in Botany

2007-02-13 00:33:06 · 20 answers · asked by Me 5 in Weather

this is research question because india have genrate more electricity.this is also save the popluation.

2007-02-13 00:32:38 · 12 answers · asked by Anonymous in Astronomy & Space

2007-02-13 00:30:49 · 3 answers · asked by sweetgurl_16 1 in Chemistry

2007-02-13 00:30:36 · 7 answers · asked by nashgs 2 in Botany

If i wear to do 2(25/4) i would think common denominator 4/4 * 25/4 = 100/16 = 25/4 ???

2007-02-13 00:30:12 · 8 answers · asked by Anonymous in Mathematics

Suggest reasons why the differences would make a smoker's lung work less well.

2007-02-13 00:30:05 · 2 answers · asked by karanhanda 1 in Biology

A circuit consists of a resistance of 20 ohms in series with an inductance of 0.6 henry. The frequency is 79.5hz. If the potential differences across the circuit is represented by 40 + j25 volts, find (a) the complex expression for the current, (b) the magnitude of the current, (c) the phase angle

2007-02-13 00:29:44 · 1 answers · asked by curious 1 1 in Engineering

I am trying to find a job in my field. I have degree in physiology, and biochemistry. I would like to do research, and do something good for humanity.

2007-02-13 00:29:39 · 4 answers · asked by Jonathan R 1 in Biology

2007-02-13 00:29:37 · 3 answers · asked by fardin a 1 in Geography

are dolphins really gay sharks ???

2007-02-13 00:26:51 · 13 answers · asked by Anonymous in Biology

The study of dolphins by any chance?

2007-02-13 00:23:21 · 8 answers · asked by Anonymous in Biology

2007-02-13 00:23:18 · 0 answers · asked by kyo soma 1 in Chemistry

2007-02-13 00:22:21 · 5 answers · asked by jiggly p 1 in Chemistry

1) What causes the insides of juicy fruits (like apples) to turn brown and why?

2) Do decomposers decompose other decomposers?

Please state the source of information (like a website on the internet, etc.) Thanks for your help. I will appreciate it.

2007-02-13 00:20:23 · 3 answers · asked by bio-nana121 3 in Other - Science

Is it sunny?or cold? in Moscow-very bed (very cold) right now...Don`t want to go out, but I need...tomorrow Valentines day:))

2007-02-13 00:19:39 · 7 answers · asked by Selenka 1 in Weather

When we read about blackbodies, we are never told about the specific material of the cavity. But the frequency curve is smooth,and depends on the temperature (Plank's law). But we know that atoms emit energy by discrete energetic jumps. ¿How can explain that result?

2007-02-13 00:19:30 · 1 answers · asked by Jano 5 in Physics

2007-02-13 00:19:22 · 2 answers · asked by Anonymous in Chemistry

2007-02-13 00:18:52 · 2 answers · asked by 'd campus Hearthrob 1 in Chemistry

2007-02-13 00:18:32 · 6 answers · asked by wyzeguy82 2 in Physics

2007-02-13 00:18:13 · 3 answers · asked by Anonymous in Weather