Science & Mathematics - 13 January 2007

2007-01-13 23:59:25 · 11 answers · asked by mp3neil 1 in Physics

AB 2 DE 4 ?
JK 16 MN 256 PQ 4096
ST 32 VW 512 XZ 8192

2007-01-13 23:58:59 · 18 answers · asked by Anonymous in Mathematics

2007-01-13 23:58:20 · 6 answers · asked by Anonymous in Chemistry

2007-01-13 23:56:38 · 4 answers · asked by Jack 1 in Geography

2007-01-13 23:56:20 · 26 answers · asked by Julie R 2 in Weather

If I want to attract sea urchin in a specific place, I should place what they eat in that particular place. But what does sea urchin eat?

2007-01-13 23:55:00 · 7 answers · asked by haya_360 1 in Zoology

Gas goes to burner and burn there instead of spreading near nozzle

2007-01-13 23:54:07 · 2 answers · asked by san 1 in Engineering

line 1 has equation y=2x+5, and line 2 has equation 3x+py=14, where p is a constant, how do i find the value of p in the cases:
a) line 1 is parallel to line 2
b) line 1 is perpendicular to line 2?

2007-01-13 23:53:47 · 10 answers · asked by mazza 1 in Mathematics

2007-01-13 23:53:20 · 10 answers · asked by k8y81xxx 1 in Other - Science

2007-01-13 23:50:22 · 8 answers · asked by winliya j 1 in Mathematics

2007-01-13 23:49:24 · 5 answers · asked by Anonymous in Zoology

2007-01-13 23:44:24 · 2 answers · asked by Anonymous in Weather

Why does LPG gas smell foul ? What is its significance ?

2007-01-13 23:42:44 · 2 answers · asked by Ayush 1 in Chemistry

2007-01-13 23:32:24 · 2 answers · asked by Anonymous in Mathematics

2007-01-13 23:31:23 · 4 answers · asked by winliya j 1 in Astronomy & Space

According to Korean scientists, the chemical CGK733 has been used to successfully reverse a portion of the aging process by re-attaching telomeres to the ends of chromosomes. As (if this is true) is the first time the aging process has ever been reversed, why isn't this making front page news?

2007-01-13 23:27:57 · 5 answers · asked by Paul H 6 in Medicine

2007-01-13 23:26:20 · 4 answers · asked by Bobby 1 in Mathematics

*Note: ^ =intersect*

Consider 3 subsets P,Q and R of a universal set U.
Given
n(U)=150
n(P)=72
n(Q)=85
n(R)=82
n(P^Q)=38
n(P^R)=40
n(Q^R)=45
n(P' ^ Q' ^ R')=13

Find
(i) n(P^Q^R)
(ii) n((P^Q) U(Q^R))
(iii) n(P ^ Q' ^ R)
(iv) n((P^Q) U (P^R) U (Q^R))

2007-01-13 23:25:48 · 2 answers · asked by zhong_0707 1 in Mathematics

Is there any general way to solve this types of problem? Please help!

2007-01-13 23:24:05 · 7 answers · asked by Anonymous in Mathematics

I was wondering if it might be possible to genetically engineer a bacterium that could chemiluminesce at an UV frequency. I would like to know because I believe that it could have possible therapeutic applications in MRSA infections, which are susceptible to UV rays.

2007-01-13 23:19:35 · 1 answers · asked by Paul H 6 in Biology

I need help on Nomenclature of organic compounds...alkanes, alkenes and alkynes..and especially on the substituted Aromatic/cyclic compounds( containing rings)...Please tell me the best place to learn them-especially exercise questions- online..
I will be very indebted to you>Thanks!

2007-01-13 23:19:02 · 2 answers · asked by Anonymous in Chemistry

physical science and matter

2007-01-13 23:12:20 · 11 answers · asked by Melissa H 1 in Physics

2007-01-13 23:11:16 · 3 answers · asked by Anonymous in Mathematics

lighter

2007-01-13 23:10:59 · 3 answers · asked by san 1 in Engineering

2007-01-13 23:10:08 · 15 answers · asked by Cur10u5_m1nD 2 in Chemistry

2007-01-13 23:04:59 · 3 answers · asked by winliya j 1 in Chemistry

2007-01-13 23:03:57 · 13 answers · asked by raj j 1 in Astronomy & Space

Mother was 27 when I was born
8 years ago she was twice the age I would be if I was 5 years older.
How old am I

2007-01-13 23:03:48 · 12 answers · asked by roy t 1 in Mathematics

2007-01-13 23:03:04 · 13 answers · asked by Anonymous in Astronomy & Space

2007-01-13 23:02:26 · 7 answers · asked by raj j 1 in Astronomy & Space