Science & Mathematics - 23 September 2006

i shot an arrow into the air and it stuck

2006-09-23 14:48:14 · 5 answers · asked by Anonymous in Physics

Maybe my brain is just fried but:

7: You have 480 feet of fencing to enclose a rectangular garden. You want the length of the garden to be 30 feet greater than the width. Find the length and width of the garden if you use all the fencing.
a.) 50 ft x 80 ft
b.) 40ft x 80 ft
c.) 135 ft x 105 ft
d.) not enough information given

I think it's D because the width isn't provided. What do you think?

2006-09-23 14:47:56 · 22 answers · asked by Ryan 1 in Mathematics

there are 10 numbers, 1-10. how many combinations of four can be derived from these ten numbers. the numbers can be repeated, i.e 0000, 1111. how many such combinations can be created by using numbers 1-10?

I'll appreciate it if someone can help for reals. if i am not wrong there is a formula, but i can't recall the formula.
thnx to all b4 hand!

2006-09-23 14:44:11 · 7 answers · asked by Anonymous in Mathematics

2006-09-23 14:43:34 · 3 answers · asked by loRi^^, 2 in Chemistry

x^(1/2 -3) equals x^-5/2. How? I don't see how 1/2 times -3 equals -5/2. Reciprocals? Help.

2006-09-23 14:42:34 · 7 answers · asked by vintagex50s 2 in Mathematics

Soo.

2006-09-23 14:40:26 · 13 answers · asked by MO 2 in Astronomy & Space

Whenever there's a reference to a geographical fact in the media, they're wrong at least 50% of the time. Tonight there's a story on Yahoo! News "Mountain water resources under threat - experts" which claims the Danube flows through 18 countries. In fact it flows THROUGH five countries (Germany, Austria, Hungary, Serbia and Romania) and forms the boundary of four more (Slovakia, Croatia, Bulgaria and Moldova).

This is par for the course, even in publications like the Times and Guardian. But nobody would want to employ me as a geographical proof reader.

Why the ignorance - do you think it doesn't matter?

2006-09-23 14:37:36 · 28 answers · asked by Anonymous in Geography

I'm kind of grossed out - I'm using some lobster meat and am waiting for my husband to come home and take the shell off of it... because I'm scared to do it... I keep feeling like lobsters are so close to cockroaches...

2006-09-23 14:37:26 · 8 answers · asked by Mishy 1 in Biology

2006-09-23 14:34:50 · 4 answers · asked by loRi^^, 2 in Chemistry

2006-09-23 14:34:25 · 3 answers · asked by slrichardson1965 1 in Earth Sciences & Geology

Using Wien's Law and the Stefan-Boltzman Law, describe how the appearance of the coal changes as it cools off to room temperature.

2006-09-23 14:33:33 · 5 answers · asked by amadis151 2 in Astronomy & Space

i need some help in my earth science class!!

2006-09-23 14:32:05 · 4 answers · asked by francheska 3 in Earth Sciences & Geology

Do they have to wait until their first flight before they can call themselves an astronaut? Isn't the definition a person who "travels into space"?

2006-09-23 14:32:02 · 4 answers · asked by Unknown 3 in Astronomy & Space

2006-09-23 14:29:43 · 19 answers · asked by Russell H 1 in Biology

i know it's an offense. Waste your time if you want to preach to me

I've heard of steam , but it doesn't really work (I made a mild attempt)

2006-09-23 14:28:51 · 9 answers · asked by wuwu 2 in Physics

2006-09-23 14:28:45 · 4 answers · asked by stretchyrubberband 1 in Chemistry

2006-09-23 14:28:02 · 7 answers · asked by Anonymous in Earth Sciences & Geology

2006-09-23 14:26:13 · 11 answers · asked by Kidd! 6 in Biology

2006-09-23 14:25:58 · 7 answers · asked by Melissa 2 in Physics

2006-09-23 14:20:16 · 1 answers · asked by pat 1 in Biology

2006-09-23 14:19:06 · 3 answers · asked by asianchoc 1 in Chemistry

This is a fluid dynamic question. I'm very confused about this quesiton. Can anyone help me out with this question?
Thanks!

2006-09-23 14:18:36 · 1 answers · asked by Anonymous in Physics

What if my idea really is original and I submit it to a company like www.davison54.com and they decide steal my idea and tells me that "We have investigated your idea, but someone else has already invented it", even if no one has and then they turn around and trues to sell that idea to a company or whatever they do with a new invention idea? I have an idea for an invention, but I don't know what to do next.

2006-09-23 14:17:38 · 9 answers · asked by Anonymous in Engineering

significant greenhouse effect to warm its surface?

2006-09-23 14:16:19 · 10 answers · asked by amadis151 2 in Astronomy & Space

2006-09-23 14:16:02 · 1 answers · asked by pat 1 in Biology

2006-09-23 14:13:41 · 20 answers · asked by Anonymous in Biology

2006-09-23 14:13:17 · 5 answers · asked by amadis151 2 in Astronomy & Space

What happens to comets when they enter the inner soloar system? If comets are made up mostly of icy material, why do they last so long?

2006-09-23 14:11:52 · 3 answers · asked by amadis151 2 in Astronomy & Space

For example I worked this out on my own. Can someone tell me if this is correct, preferably refer me to a web site that has a concise description of where it came from.

f(x)=x^2
d f(x) = d(x^2) dx
d f(x) / dx = d(x^2)

were d means the derivative
Is this right?

2006-09-23 14:07:39 · 3 answers · asked by lanceec 1 in Mathematics

2006-09-23 14:07:12 · 18 answers · asked by Anonymous in Medicine