Science & Mathematics - 30 December 2007

Use rules of logarithms to write each log in terms of a and b if In2 = a and In3 = b.

(1) In 27

(2) In fourth root of {2/3}

2007-12-30 22:01:46 · 2 answers · asked by journey 1 in Mathematics

Is there only one sun in the galaxy & only one solar systems? Please give me detail result

2007-12-30 21:55:45 · 27 answers · asked by HARISHA H 1 in Astronomy & Space

2007-12-30 21:44:51 · 14 answers · asked by hi5 4 in Earth Sciences & Geology

I personally hate them.

2007-12-30 21:37:53 · 12 answers · asked by Anonymous in Zoology

2007-12-30 21:35:38 · 11 answers · asked by Anonymous in Geography

It is a well known fact that sound travels faster in solids than in liquids than in gases

2007-12-30 21:34:44 · 8 answers · asked by aman s 1 in Physics

2007-12-30 21:34:17 · 10 answers · asked by rajarao_mamidi 1 in Mathematics

x - y = 7 and 2x^2 - 3y^2 = 5

THANKS.. i'll give BEST ANSWER....

2007-12-30 21:32:33 · 4 answers · asked by nobody 2 in Mathematics

2007-12-30 21:19:38 · 8 answers · asked by Maharaja 4 in Physics

im having my front room tiled after the new year and was wondering how many tiles i will need:

size of frontroom is 21ft long by 11ft 2", the tiles are 1ft by 1ft square...how many tiles will i need?

thank you. (im not too good on maths)

2007-12-30 21:17:51 · 6 answers · asked by tracieisland 5 in Mathematics

Ans= [n(n-1)/2] + 1

2007-12-30 21:12:46 · 4 answers · asked by ʞzɹәႨnɹ 2 in Mathematics

if u r given 'n' rods of length{1,2,3,4.....n} respectively.
what is the maximum no. of triangles that can be formed using these rods at a time?
one rod can be used only once.........
for example if n=5 , the max. no. of triangles formed will be 1..........using the combination(3,4,5)

2007-12-30 21:07:32 · 9 answers · asked by azhariitk 1 in Mathematics

http://cgi.ebay.com/Time-Travel-Theory-Project_W0QQitemZ140192550055QQihZ004QQcategoryZ1310QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

2007-12-30 21:06:10 · 16 answers · asked by prnkle 1 in Other - Alternative

Im hearing that the whole 2012 doomsday thing is a hoax?

2007-12-30 21:03:40 · 16 answers · asked by Anonymous in Astronomy & Space

2007-12-30 21:03:13 · 14 answers · asked by Anonymous in Other - Alternative

Culd someone help me please? thanks.

2007-12-30 20:59:04 · 6 answers · asked by Anonymous in Mathematics

If you were given a globe that was not labeled could you find Pakistan???

2007-12-30 20:54:41 · 16 answers · asked by Sparkle 3 in Geography

2007-12-30 20:53:20 · 9 answers · asked by Jeanne Sherlyn 1 in Astronomy & Space

Can I have my PhD, now?

2007-12-30 20:40:34 · 4 answers · asked by Brant 7 in Astronomy & Space

The standard circle equation for is (x-h)^2+(y-k)^2= r^2

2007-12-30 20:32:13 · 3 answers · asked by Anonymous in Mathematics

Is there ANY possible way to make it float? The only requirement is that it's half-full of mercury.

2007-12-30 20:24:41 · 4 answers · asked by Anonymous in Physics

2007-12-30 20:21:29 · 11 answers · asked by randy c 1 in Astronomy & Space

Is there no technology to let sea-water be used to make electricity? Our earth is running out of resources, so how do we see our future generation to survive when there is no electricity or no petrol available?

2007-12-30 20:20:21 · 11 answers · asked by Anonymous in Physics

2007-12-30 20:09:34 · 15 answers · asked by C8H10N402 2 in Astronomy & Space

how many neutrons a phosphorus-32 atom has...?

how do you know?

2007-12-30 19:48:54 · 4 answers · asked by Anonymous in Chemistry

If everyone on Earth spun around counter-clockwise at the same time, would the rotation of the Earth slow down? Even just a little bit? By the way, it's like 3:30 am, so... I was just wondering. I know this is dumb.

2007-12-30 19:24:49 · 9 answers · asked by Anonymous in Earth Sciences & Geology

It sounds ridiculous, but I am writing about this and I would like to learn if this is possible. Thanks. I know that most fruit trees need special soil to be grown (which means sand is not suitable for them), but I want to know if there is at least one fruit tree or anything that can make organic products that can pass as food when grown in sand.

2007-12-30 18:58:45 · 5 answers · asked by JC 301186 3 in Botany

i have no idea what to do for my physics project, i've tried googling some topics but some of them seemed a bit too far complex

i'm a high school junior and i need a good creative physics project

any sites/links with procedures or ur own ideas would be very helpful

2007-12-30 18:57:04 · 5 answers · asked by Anonymous in Physics

aluminium is in the 3rd period,zinc is in 4th
aluminum has 3 valence electrons zinc has only 2.

2007-12-30 18:56:03 · 2 answers · asked by pandu 1 in Chemistry

2007-12-30 18:54:20 · 2 answers · asked by yuvraj singh sengar 1 in Mathematics