Science & Mathematics - 31 October 2006

Each evening in central Spain I listen to a wonderful semi-tropical chirping which sounds very similar to cicadas in Malaysia. But nobody locally seems to know what they are.

2006-10-31 06:12:58 · 3 answers · asked by anthony_amos2001 2 in Biology

For example: The project manager for Phoenix sky harbor airport did not file the architechtual plans for the building with the city.

2006-10-31 06:12:31 · 2 answers · asked by corpcheck1 2 in Engineering

work done by a torque is equal to the torque applied times ______. (complete the sentence.)

2006-10-31 06:12:17 · 4 answers · asked by Anonymous in Mathematics

Looking for the discriminate:
and number of real solutions:
This question has me confused

So far:

-(9x^2+6x+1)=0
x=(-6-(6^2-4*9*1)Ý2)/(2*9)

my answer is -1/3 for the discriminate
Am I doing this corectly?

Solutions:

x=-2*3/(2*3^2),x=-2*3/(2*3^2)
x=-1/3^(2-1),x=-1/3^(2-1)
x=-1/3,x=-1/3

2006-10-31 06:08:17 · 10 answers · asked by SCHNITZEL 1 in Mathematics

any pills that will work? what you eat? anything?

2006-10-31 06:04:19 · 18 answers · asked by linh 1 in Medicine

2006-10-31 06:02:45 · 10 answers · asked by SCSA 5 in Other - Science

2006-10-31 06:01:38 · 2 answers · asked by Anonymous in Mathematics

2006-10-31 06:01:04 · 1 answers · asked by goring 6 in Physics

2006-10-31 06:00:50 · 7 answers · asked by aggarwalneetu 1 in Engineering

2006-10-31 06:00:22 · 17 answers · asked by 00P 1 in Astronomy & Space

2006-10-31 06:00:17 · 1 answers · asked by goring 6 in Astronomy & Space

find the value of d such that

w^2+2w+d

is a perfect square

2006-10-31 05:58:58 · 6 answers · asked by SCHNITZEL 1 in Mathematics

2006-10-31 05:57:41 · 5 answers · asked by goring 6 in Astronomy & Space

2006-10-31 05:57:09 · 6 answers · asked by Anonymous in Astronomy & Space

2006-10-31 05:56:46 · 1 answers · asked by goring 6 in Physics

Would anyone be willing to look at some prints and help me identify where the weld symbols should go and which ones should go there?

2006-10-31 05:55:17 · 2 answers · asked by vanman8u 5 in Engineering

The problem:
Find the x and y intercepts, if any, for the graph of 4x=3.

My question: is 4x=3 the same as 0y+4x=3

Thanks a lot!

2006-10-31 05:54:28 · 7 answers · asked by Wind203 4 in Mathematics

2006-10-31 05:54:07 · 1 answers · asked by goring 6 in Physics

copernicous?

2006-10-31 05:53:56 · 5 answers · asked by Anonymous in Astronomy & Space

in each breast implant, I want to know how much extra weight i am carrying around with the implants.. they are saline..

2006-10-31 05:52:25 · 12 answers · asked by sissybombay 3 in Mathematics

the effect of mechanical work on an object is _____. (complete the sentence)

2006-10-31 05:51:56 · 3 answers · asked by Chris D 1 in Engineering

2006-10-31 05:51:41 · 5 answers · asked by goring 6 in Astronomy & Space

How important are climate and erosion in explaining how mountain belts are formed?

2006-10-31 05:50:02 · 5 answers · asked by CookFrNW 3 in Earth Sciences & Geology

2006-10-31 05:49:44 · 4 answers · asked by goring 6 in Astronomy & Space

2006-10-31 05:48:29 · 3 answers · asked by goring 6 in Physics

because under all the ocean is land, so does that make it more land. does the earth itself contains land or water in it?

2006-10-31 05:45:45 · 10 answers · asked by connie 1 in Astronomy & Space

i really urgentently need it for my geography essay plz help me

thnx nuv luv
stay bessed

2006-10-31 05:45:36 · 5 answers · asked by pink pwincess 1 in Geography

I would be so grateful for ANY help!!!!

Consider the following unbalanced single-displacement redox reaction.

potassium(s) + zinc nitrate (aq) ----> potassium nitrate(aq) + zinc(s)

a. Write the balanced molecular, ionic, and net-ionic equation (using molecular formulas or ions as appropriate). Include all subscripts (s, aq...)

molecular:

ionic:

net-ionic:

b. Specify the species from the net-ionic equation that is oxidaized and reduced. Justify your answers.

Species oxidized:
reason:

Species reduced:
reason:

2006-10-31 05:44:38 · 2 answers · asked by Me 2 in Chemistry

Does it mean the earth been going around for 2006 years?

What does the year 2006 really mean?

What is the meaning of the year 2006?

2006-10-31 05:42:19 · 3 answers · asked by D.J 5 in Astronomy & Space

2006-10-31 05:40:24 · 3 answers · asked by connie 1 in Chemistry