Science & Mathematics - 27 September 2006

The line of intersection for the 2 planes:
2x-y+2z-3 = 0 and x + 2y -z -1 = 0 is (x, y,z).

2006-09-27 14:13:28 · 3 answers · asked by yanesh_r 1 in Mathematics

No offence. But just because there is no medical treatment for this, we shouldn't just assume that this is natural. It's a human body disorder and medical science needs to find a cure for this rather than saying that this is nothing but natural.

2006-09-27 14:12:40 · 36 answers · asked by rajesh_sri_vastava 2 in Medicine

2006-09-27 14:10:15 · 11 answers · asked by bjordanott@sbcglobal.net 1 in Mathematics

2006-09-27 14:09:29 · 2 answers · asked by teritup_2 1 in Earth Sciences & Geology

Please provide the factoring of this problem by using the quadratic equation and the the way when your use this (x )(x ). Explain step by step both of the ways and earn 10 points immediately.

2006-09-27 14:07:21 · 4 answers · asked by BENNETH[[98]] 2 in Mathematics

kx + y + z = 1
x + ky + z = 1
x + y + kz = 1


For what value(s) of k does tha system have a unique solution?

For what value(s) of k does tha system have no solution?

For what value(s) of k does tha system have infinitely many solutions?

2006-09-27 14:05:59 · 2 answers · asked by yanesh_r 1 in Mathematics

2006-09-27 14:05:07 · 3 answers · asked by Anonymous in Other - Science

2006-09-27 14:04:41 · 9 answers · asked by martin46 1 in Chemistry

haha this should cost me some points

2006-09-27 14:00:59 · 2 answers · asked by Anonymous in Earth Sciences & Geology

My Monsoon Forecasting Software is far superior to any other model or procedure currently in use anywhere. My methodology is very difficult, but the reports are very simple and precise. I do not know who will spend his time over my reports. At present I can give regionwise fortnightly forecasts (daily forecasts are also possible but too time consuming)for entire Indian subcontinent many years in advance with 100% reliability for nearly 90% of regions.

2006-09-27 13:59:22 · 9 answers · asked by Vinay Kumar Upadhyaya 1 in Weather

Find a system of 2 linear equations in x and ywhose solution set is given by the parametric equations: x=t, y= 5t-2.

2006-09-27 13:56:08 · 2 answers · asked by yanesh_r 1 in Mathematics

Consider a long horizontal conducting wire with charge density
= 5.70*10^-12 C/m. A proton (mass = 1.67*10^-27 kg) is placed and
released 0.820 m above the wire. What is the magnitude of initial
acceleration of the proton?

My thought is: a=q*E/m

and E is: 2*k*charge density/distance to the proton or 2*8990000000*5.7*10^-12/.820m

but I can't get the right answer, which I know to be: 1.199*10^7.

Any thoughts??

2006-09-27 13:54:46 · 1 answers · asked by eltel2910 1 in Physics

Here is the problem:
If an object changes in velocity from 50meters per second to 80meters per second in 15 seconds, then its average velocity during those 15 seconds is _______

Please explain the answer. I have gotten two different answers using different equations so Im not sure what I am supposed to use.

2006-09-27 13:51:55 · 4 answers · asked by ??? 2 in Physics

definition of an integer

2006-09-27 13:50:43 · 5 answers · asked by sandgallan 2 in Mathematics

convert 30cm/s to m/h

2006-09-27 13:50:06 · 6 answers · asked by Andrew F 1 in Mathematics

im trying to build a model rocket from scratch. but i dont know what to use and how to make it. i already have the rocket engines and launch stuff, i just need te rocket.. so if yo can help that would be great

2006-09-27 13:47:03 · 7 answers · asked by Anonymous in Engineering

I had this idea for my science project, "Which chewing gum lasts the longest?", but my mother doesn't think it is really that scientific. Please help me out and tell me if you think this would be considered scientific. Other ideas for a project would help too, so please give me any information you can.

2006-09-27 13:46:28 · 4 answers · asked by someone 2 in Other - Science

without using anything operated by hydraulics, electricity, gas, uranium, or any type of modern energy?

2006-09-27 13:45:33 · 11 answers · asked by Anonymous in Other - Science

2006-09-27 13:45:15 · 6 answers · asked by kanteena05 1 in Biology

2006-09-27 13:44:58 · 7 answers · asked by Anonymous in Astronomy & Space

I understand that light is a particle that acts like a wave,but what causes it to act like this?Is it some property of one of the fundamental forces?

2006-09-27 13:44:45 · 4 answers · asked by That one guy 6 in Physics

2006-09-27 13:43:42 · 6 answers · asked by J' K '06 1 in Mathematics

whats the sale price?

2006-09-27 13:42:27 · 8 answers · asked by browneyed_kim 2 in Mathematics

It has already been tested on animals and this has to be a detailed study. The new sweetener is believed to taste better and be safer than others on the market. How would you set up the study?

2006-09-27 13:42:04 · 1 answers · asked by Nurse2b 1 in Biology

2006-09-27 13:40:59 · 8 answers · asked by Buzz Lightyear 1 in Astronomy & Space

Could someone tell me if i solved this correctly? The question reads "find the derivative of f(x)= sec^3x (sec cubed x).

I got it to = 3sec^3x*tanx.

Thanks

2006-09-27 13:40:20 · 5 answers · asked by Anonymous in Mathematics

hills in michigan .

2006-09-27 13:35:46 · 1 answers · asked by porsha r 1 in Other - Science

2006-09-27 13:35:44 · 2 answers · asked by Richard G 1 in Earth Sciences & Geology

drag race tires in contact with an asphalt surface probably have one of the highest coefficients of static friction in the everyday world

this is for ap physics

2006-09-27 13:34:16 · 3 answers · asked by Anonymous in Physics

For a science project I am doing, on bacterial cells.

2006-09-27 13:32:00 · 4 answers · asked by Anonymous in Biology