Science & Mathematics - 30 July 2006

how can find the integrals of cos(x)-sin(x)/sin(x)+cos(x)?

2006-07-30 06:48:30 · 7 answers · asked by star123 2 in Mathematics

Please, serious, informed answers only. I am talking about general lifespan here.

2006-07-30 06:47:32 · 6 answers · asked by James R 1 in Zoology

There are many companies performing these tests now including http://www.ancestrybydna.com, which is the company that analyzed my DNA. As a lightskinned African American with roots in the South and the implications of master-slave rapes and miscegeneation, some friends assumed and assured me that I must have some European ancestry. The test revealed that I am 95% African and about 5% East Asian. I was surprised by the Asian genes because there are no Asian people in my family that I know of....but it means that one of my great, great, great, greats could have been. There have been several documentaries on PBS that show people getting their DNA tested -- some of whom are very surprised by the results. I wonder if any of you were raised as one "race" but DNA test results revealed something you didn't know?

2006-07-30 06:44:58 · 11 answers · asked by sweetintelligentmusiclover 1 in Biology

2006-07-30 06:41:17 · 13 answers · asked by Alex S 3 in Physics

A cylinder has a diameter of 15 cm. The water level in the cylinder is maintained at a height of 0.45 m. If the diameter of the spout pipe is 0.50 cm, how high is h, the vertical stream of water? (Assume the water to be an ideal fluid.)

2006-07-30 06:37:35 · 7 answers · asked by jamey.moore@sbcglobal.net 1 in Physics

2006-07-30 06:37:15 · 5 answers · asked by smashbrolover 1 in Biology

2006-07-30 06:36:43 · 9 answers · asked by smashbrolover 1 in Biology

2006-07-30 06:36:35 · 23 answers · asked by gorgeoushunk 2 in Mathematics

2006-07-30 06:33:08 · 7 answers · asked by Ravi M 1 in Weather

2006-07-30 06:32:38 · 7 answers · asked by goring 6 in Physics

i want to score the highest marks can someone plz provide me some sites where i can easily understand the topic n i need some shortcuts 4 easy calculation...plz help

2006-07-30 06:30:15 · 4 answers · asked by Lizzie 2 in Chemistry

How will the world change? what are those changes? how will people view things? do you think it will take a long time? new technology? will it be a rough ride into the future? will science fiction books be right? will politics change? will people believe in their religion? will we be able to handle it?

2006-07-30 06:28:49 · 13 answers · asked by kameleonwolf 1 in Astronomy & Space

2006-07-30 06:28:00 · 3 answers · asked by desmond 1 in Engineering

What are the components of Calcium chloride?...


Sorie...and thanks aLot!!!!!

2006-07-30 06:20:57 · 3 answers · asked by Gabriella 1 in Chemistry

2006-07-30 06:19:51 · 2 answers · asked by Mickenoss 4 in Chemistry

2006-07-30 06:15:49 · 26 answers · asked by Anonymous in Other - Science

2006-07-30 06:15:06 · 6 answers · asked by wutsupdog345 2 in Other - Science

I have reasons to beleve that this formula did'nt belong tgo newtonian physics in the beginning. Couls anywone tell me who invented it, and when, how and by whom it was incorporated in mathematical physics during the XVIII century?

2006-07-30 05:59:25 · 3 answers · asked by Anonymous in Physics

My girlfriend's from Argentina, so she's a mixture of Spanish and Italian from around 200 years ago, plus native South American. I'm English, with English ancestors as far back as anyone can tell.

So as an educated guess, without any family tree research, how far back would you need to go to find an ancestor that we both share?

2006-07-30 05:53:52 · 12 answers · asked by Alex 42 2 in Other - Science

2006-07-30 05:49:49 · 4 answers · asked by Anonymous in Other - Science

The limit of x^0 as x tends to 0 is 1

In Maple if I put 0^0 it gives an answer of 1.
If I put 0^0 into my scientific calculator it gives an error
If I put 0^0 into google the google calculator gives an answer of 1.

Is there an answer to this or not?

2006-07-30 05:43:21 · 39 answers · asked by Anonymous in Mathematics

they have a lime green body about inch long with orange legs thay can jump really good, thay are the shape of grasshoppers but i have never seen this colour before, thankyou

2006-07-30 05:41:15 · 5 answers · asked by DONNA W 1 in Biology

2006-07-30 05:37:48 · 12 answers · asked by strictly_maggie 3 in Other - Science

in other words, is mass a facter in the amount of force produced? or is getting hit with metal at 80 mph the only players in the equation?

2006-07-30 05:36:12 · 11 answers · asked by Anonymous in Physics

2006-07-30 05:31:38 · 5 answers · asked by crazytown 2 in Other - Science

2006-07-30 05:31:00 · 2 answers · asked by Gabriella 1 in Chemistry

its better to be simple.and be made from simple materials.

2006-07-30 05:23:39 · 6 answers · asked by ehsan_smart 1 in Engineering

2006-07-30 05:23:35 · 15 answers · asked by ♀guardian of angels♀ 3 in Biology

whats the remainder when 13^400 is divided by 187 ?

2006-07-30 05:21:04 · 6 answers · asked by sanko 1 in Mathematics

it i wont really be to suprised.

thanks

2006-07-30 05:16:42 · 4 answers · asked by Anonymous in Chemistry