Science & Mathematics - 18 November 2006

corrode (cans, rain gutters, ect.) The reason for the corrosion durability os aluminum is..
Aluminum does not react with oxygen, very unreactive aluminum oxide forms a thin layer of aluminum, aluminum does not undergo oxidation, all aluminum products are treated with a plastic coating

2006-11-18 15:30:23 · 3 answers · asked by Lexi U 1 in Chemistry

2006-11-18 15:29:15 · 13 answers · asked by Johnny B 1 in Medicine

I know this might be a lot of work if you're doing it on paper, but if you can just give me the answers to:

2x-y+2x=15
-x+y+z=3
3x-y+2z=18

a+b=2
-b+c=3
a+2c=10

2x+3y+4z=2
5x-2y+3z=0
x-5y-2z=-4

2x-5y+z=5
3x+2y-z=17
4x-3y+2z=17

x+y+z=6
z=x+y
x=z+1

2006-11-18 15:28:48 · 3 answers · asked by MSant 2 in Mathematics

Do you believe that there is intelligent life on other planets?

2006-11-18 15:26:33 · 8 answers · asked by The Cajun Mason 2 in Astronomy & Space

2006-11-18 15:26:16 · 4 answers · asked by jman 1 in Zoology

x^2-5x and can you show me a step by step?

2006-11-18 15:23:52 · 6 answers · asked by w_xsoadx_w 2 in Mathematics

I need to find out which of these are a charteristics of a Viruses.
These and these ONLY are what I need in my answer, help would be highly appriciated!

-Microscopic
-Submicroscopic
-Like Bacteria
-Pathogenic
-Parisites
-Reproduce by fission (I'm almost positive it isn't this...)
-Obtain nutrients from a host cell

2006-11-18 15:23:37 · 8 answers · asked by Anonymous in Biology

2006-11-18 15:22:40 · 2 answers · asked by sweetgurl_16 1 in Biology

2006-11-18 15:21:40 · 4 answers · asked by sam54 1 in Physics

Even though they may be called natural logs, these logs don't come natural to me. **Hits Drum Symbol**. Please help me.

Solve for X:
ln x + 2ln4 = ln7 - ln x

2006-11-18 15:19:06 · 6 answers · asked by Shawn 1 in Mathematics

On an N-gauge model train set, a tank car is 3.75 inches long. An actual tank car is 50 feet long. What is the ration of the lenth of the actual tank car to the length of the model tank car?

2006-11-18 15:18:53 · 6 answers · asked by Myself. 2 in Mathematics

2006-11-18 15:15:52 · 8 answers · asked by Anonymous in Earth Sciences & Geology

it has to be a water-dwelling prehistoric animal like the Basilosuarus or the Ichthyosaurus.

2006-11-18 15:11:24 · 6 answers · asked by virl_chiriko 1 in Zoology

2006-11-18 15:08:59 · 3 answers · asked by lisa ? 1 in Astronomy & Space

2006-11-18 15:08:52 · 16 answers · asked by C.D. Riley 2 in Geography

it is seeable with the naked eye all i got so far is a chair and me

2006-11-18 15:04:18 · 6 answers · asked by sUpEr NoVa 1 in Astronomy & Space

2006-11-18 15:03:20 · 2 answers · asked by louis d 1 in Earth Sciences & Geology

2006-11-18 15:01:41 · 2 answers · asked by sweetgurl_16 1 in Biology

did salina's parents refuse a blood transfusion, which caused her to die?

2006-11-18 15:00:19 · 6 answers · asked by pl_slcd 2 in Medicine

2006-11-18 14:59:53 · 4 answers · asked by bbbbbbbbbbb 1 in Geography

2006-11-18 14:58:54 · 2 answers · asked by Farida M 1 in Earth Sciences & Geology

2006-11-18 14:57:29 · 11 answers · asked by lucas p 1 in Mathematics

Yes Folks, I live in Maryland and I hate it when people say we are a Northern State. We are not any way associated with The North ! Unlike the north, we are very rural, and we DO still have some confederate flags! Maryland Came into This country as a Southern State, it is below the Mason Dixion Line, The Accent is KINDA Southern at southern maryland and so are the people. WERE NOT THE DARN NORTH! Folks please don't use that Mid Atlantic BS. Because Mid Atlantic is not a direction .

2006-11-18 14:56:12 · 10 answers · asked by sisi 1 in Geography

Where, and when??? like will it be north south, ect and what time???

2006-11-18 14:52:25 · 6 answers · asked by Jessica 2 in Astronomy & Space

2006-11-18 14:45:01 · 4 answers · asked by Remain 1 in Astronomy & Space

A few physics questions?
I'm working on completeing a physics assignments and have found myself lost. Here is the information I have been given:

Car 1 approached the intersection from the top of a 25-meter hill.
∙ Car 2 was on a flat stretch of road directly in front of Car 1.
∙ At the bottom of the hill, before braking for the stop sign, Car 1 was going 20 m/s
and Car 2 was going 30 m/s before it stopped at the stop sign.
∙ From the skid marks on the road you can see that Car 1 applied force on its brakes
for 3 seconds, 100 meters before the stop sign.
∙ There were no skid marks left by Car 2. The collision occurred at the stop sign,
where Car 2 had stopped.
∙ After the collision, both cars were moving together in the same direction at 10 m/s,
before slowly rolling to a stop.
You must now push Car 2, using 800 N of force, 10 meters off to the side of the road so
no one else gets hurt.

I have run out of characters to use, so if you can help me, PLEASE email me!

2006-11-18 14:42:27 · 2 answers · asked by BadRomance 2 in Physics

5th grade homework

2006-11-18 14:42:01 · 8 answers · asked by JC rhino 1 in Mathematics

also answer the following question:
Funtion of the roots
Differentiate top roots from fibrous root
what are the 3 major parts zone in the roots
importance of the roots to us

2006-11-18 14:40:55 · 4 answers · asked by carmeLa 2 in Botany

How can I build inductor of any value at home ?? Any idea ?

2006-11-18 14:35:57 · 3 answers · asked by Aristotle 2 in Engineering

Does anybody know what's the diffrence b/w the 2 brilliant stones? I'm just curious to know that b/c both stones look the same, but what kind of properties do the 2 stones have?

2006-11-18 14:35:00 · 5 answers · asked by falcongrl89 3 in Earth Sciences & Geology