Science & Mathematics - 21 July 2007

Find the max possible area, Amax, of the trapezoid when a= b= 8 inches.
http://i181.photobucket.com/albums/x85/ctti_3/untitled-30.jpg
i try to work this out but my answer turn out to be 32(root 3) but it wasnt in the answer choices. Can you check and see if it's right?

2007-07-21 14:14:38 · 3 answers · asked by swt16 1 in Mathematics

Carl Sagan is a scientist, & so is his character the woman astronomer. Pi is both an irrational & transcendental number & so its computation cd not end. Wasn't Sagan misleading readers by suggesting altho indirectly that the computation cd end? Or has there been found a proof or indication that it's possible that computation of pi cd end?

2007-07-21 14:14:21 · 5 answers · asked by john-evan 1 in Mathematics

Has there ever been a hurricane to hit California? If so, when & where?

2007-07-21 14:12:25 · 5 answers · asked by Anonymous in Weather

For example, I was born around 7pm and I am definetly a night person. I was wondering if this is the mystery behind being a morning or night person. Thanks!

2007-07-21 14:10:52 · 2 answers · asked by BlackDahlia 5 in Biology

2007-07-21 13:59:12 · 8 answers · asked by msfrench77 1 in Mathematics

of the f1? of the f2? of the offspringof across of the f1 back to its white parents? of the offspring of a cross of the f1 back to its parent?

2007-07-21 13:58:45 · 2 answers · asked by sar 1 in Biology

2007-07-21 13:57:49 · 2 answers · asked by robert g 1 in Zoology

2007-07-21 13:54:59 · 13 answers · asked by raijingenki 1 in Astronomy & Space

2007-07-21 13:54:42 · 4 answers · asked by jjtmm 2 in Physics

2007-07-21 13:51:22 · 4 answers · asked by fefe k 2 in Mathematics

Does anyone know?

2007-07-21 13:47:20 · 2 answers · asked by Nooooooooooo 3 in Biology

It's like a half circle, and you use use it to see how many degrees an angle is.

2007-07-21 13:44:17 · 6 answers · asked by ≈[⇒Lauren⇐]≈™ 4 in Mathematics

2007-07-21 13:42:56 · 30 answers · asked by jolivmarmol 1 in Paranormal Phenomena

What is above or below the Earth. Meaning if a rocket was launched from the south pole & just went down or launched at the north pole and went straight up, what would be there? I only ask because it seems that the galaxy & planets are all on the same plane.

2007-07-21 13:42:28 · 10 answers · asked by Anonymous in Astronomy & Space

2007-07-21 13:40:48 · 5 answers · asked by Anonymous in Mathematics

2007-07-21 13:40:06 · 7 answers · asked by jjtmm 2 in Physics

Can someone answer this question please. I'm wondering why if the Hubble telescope can take excellent pictures of stars & galaxies forming millions of light years away, then why can't it take a good picture of Pluto?

2007-07-21 13:39:42 · 10 answers · asked by Anonymous in Astronomy & Space

I need to find the integral of:
x / (x^4 + x^2 + 1) dx

I was thinking possibly partial fractions, but I'm not quite sure how to factor the denominator. Any suggestions? Thanks.

2007-07-21 13:31:12 · 2 answers · asked by Anonymous in Mathematics

what is eswl? or lipotripsy and how does it work.is it real electric and can it eefect the heart rate or rythum while recieving the treatment.all info would be great!!!

2007-07-21 13:19:41 · 3 answers · asked by dcrc93 7 in Medicine

i like helium

2007-07-21 13:13:56 · 2 answers · asked by Anonymous in Physics

I worked for an aircraft company for 8 years, before going back to my business. We were actually told this. I responded by asking is there another way to use them?

Have you had a similar experience?

2007-07-21 13:11:14 · 2 answers · asked by Yafooey! 5 in Other - Science

2007-07-21 13:07:17 · 3 answers · asked by CPUcate 6 in Mathematics

2007-07-21 13:05:08 · 2 answers · asked by Anonymous in Engineering

I'm supposed to balance silver nitrate and potassium phosphate to write the net ionic equation for the precipitation reaction.
So far, I have this :
AgNO3 + K3PO4 -> Ag3PO4 + KNO3
That's not balanced, is it?

2007-07-21 13:04:35 · 2 answers · asked by decaelegant 2 in Chemistry

hi, can someone please tell me how is it that a whistle makes noise? please explain in simple terms, what is the concept in physics that is involved in whistles? i have studied conceptual physics but no calculational physics, thanks!

2007-07-21 13:03:06 · 1 answers · asked by questionhere 2 in Physics

you dont have to give me a long detailed answer i would just like to know. please help if you can?

2007-07-21 13:02:57 · 6 answers · asked by ? 1 in Earth Sciences & Geology

2007-07-21 13:02:11 · 4 answers · asked by CPUcate 6 in Mathematics

WHAT MATHEMATICIAN, CITED EARLIER, THAT THE LIFE TIME CAPACITY OF THE AVERAGE MEMORY IS UP TO ( ONE HUNDREDTRILLION) BITS. THEN WHO CAME A LONG TO DISTINGUISH AND JUST AS PLAUSIBLE PUT THE FIGURE AT (280 QUINTILLION) AND BY DOING SO THOUGHT THAT NOTHING IS TRULY FORGOTTEN, BUT WE KEEP VERY LITTLE IN OUR ACTIVE MEMORY, AND YET STILL WE WOULD HOLD SEVERAL BILLION TIMES MORE INFORMATION THAN A LARGE CONTEMPORARY RESEARCH COMPUTER.

2007-07-21 13:01:52 · 2 answers · asked by aprilmacfadden 3 in Physics

I know the answer. Let's see if you do.

111, 31, 23, 21, ___

2007-07-21 12:45:29 · 4 answers · asked by whitesox09 7 in Mathematics

I'm trying to figure out what constitutes a minute, how was the first minute determined? i know that someone did not just count to 60 and say "that's a minute". does anyone know where i could find resources on this topic? or could provide me with a starting point?

thanks so much

2007-07-21 12:42:52 · 5 answers · asked by B E A * 2 in Physics