Science & Mathematics - 25 January 2007

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2007-01-25 06:31:13 · 15 answers · asked by Anonymous in Biology

Let f(z)=(i+z)/(i-z) and c=circle through z1=(1+i), z2=0, z3=i. Find f(c).

note: z belong to complex and i= sqrt(-1).

2007-01-25 06:30:53 · 2 answers · asked by kula o 2 in Mathematics

What is the multiplicative inverse of negative one third?

2007-01-25 06:29:47 · 3 answers · asked by ishx360 1 in Mathematics

assuming motion of sun is counter clock wise relative to
galaxy.

2007-01-25 06:29:31 · 1 answers · asked by goring 6 in Astronomy & Space

2007-01-25 06:28:51 · 3 answers · asked by cjakubow000 1 in Zoology

2007-01-25 06:28:50 · 4 answers · asked by Braden G 1 in Mathematics

2007-01-25 06:28:31 · 3 answers · asked by Gemma Louise L 1 in Botany

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2007-01-25 06:27:24 · 9 answers · asked by Jennifer S 4 in Zoology

how do you integrate: e^(x^2) i don't need the way, just the original function please!!!

2007-01-25 06:25:58 · 2 answers · asked by Anonymous in Mathematics

2007-01-25 06:23:03 · 9 answers · asked by Anonymous in Mathematics

P = 2b + 2h; b

2007-01-25 06:21:08 · 7 answers · asked by boboby c 1 in Mathematics

2007-01-25 06:20:44 · 6 answers · asked by dsfjoia 2 in Physics

Northwest airlines gives out peanuts to all passengers who want them. On severalrevent flights to boston, 72% of the passengers who were asked avvepted the peanuts, and 23% rejected the peanuts. A total of thirty-six passengers were asleep and were not asked. How many passengers were on these flights??

2007-01-25 06:18:15 · 10 answers · asked by steffyjo5598 1 in Mathematics

I mean, after all, the weatherpeople (not meterologists) are always telling us that cold (polar) air masses that come from north of the U.S. are Canadian.

2007-01-25 06:17:55 · 6 answers · asked by Double O 6 in Weather

2007-01-25 06:16:11 · 3 answers · asked by Anonymous in Medicine

2007-01-25 06:14:53 · 19 answers · asked by john m 1 in Mathematics

Do Propanol, Butanl,Pentane,Hexane and Ethanol have hydrogen Bonding?

2007-01-25 06:14:13 · 4 answers · asked by ws 3 in Chemistry

2007-01-25 06:14:10 · 8 answers · asked by Unoptrid1aq 4 in Chemistry

(x-5y)^2

I got

-4y^2

Just wanted to make sure i am right

2007-01-25 06:11:30 · 11 answers · asked by boboby c 1 in Mathematics

2007-01-25 06:09:05 · 9 answers · asked by Lloyd W 1 in Astronomy & Space

a photon is emitted by the flame and has an enerfy of 4.23 X 10 -19 ( thats 10 to the power of -19) Joules. find the a) frequency b) wavelength and c) the portion of the spectrum for this photon. how might you detect this photon?

2007-01-25 06:08:04 · 1 answers · asked by Anonymous in Chemistry

2007-01-25 06:08:00 · 11 answers · asked by Anonymous in Paranormal Phenomena

2007-01-25 06:07:16 · 2 answers · asked by Anonymous in Zoology

NF3 and PF5 are stable molecules. Write the electron-dot formulas for these molecules. On the basis of structural and bonding considerations, account for the facts that NF3 and PF5 are stable molecules but NF5 does not exist.

This is the 1976 AP Chemistry Free Response Question, #9. Couldn't quite figure out the answer. Anyone know the answer?

2007-01-25 06:05:36 · 3 answers · asked by Anonymous in Chemistry

2007-01-25 06:04:48 · 4 answers · asked by Anonymous in Mathematics

2007-01-25 06:03:48 · 10 answers · asked by blueberryudhs 2 in Biology

Determine whether the following is an expression.

9 + a = p

A) No B) Yes

2007-01-25 06:03:24 · 7 answers · asked by journeythroughlife85 2 in Mathematics

Im not sure what to do here


A= 1/2(m+22);m

2007-01-25 06:01:24 · 6 answers · asked by boboby c 1 in Mathematics

(2x+3) (5x+1)


I got

10x + 2x + 15x +3

so..

27x + 3...am i right? no?

2007-01-25 06:00:01 · 13 answers · asked by boboby c 1 in Mathematics

All 2s should be superscripted


The roots of the equation x2 - 3mx + m2 = 0 are p and q where p > q. Find the values of p2 + q2 and p - q in terms of m when m is positive.


I managed to find the value of p2 + q2 i.e. 7m2.
Can you show me how to solve the second value

2007-01-25 05:59:40 · 4 answers · asked by alexisvisjnic 1 in Mathematics