Science & Mathematics - 11 November 2006

2006-11-11 15:33:06 · 5 answers · asked by cjjtahoe 1 in Mathematics

Please give a structure response i need help with this one thank you

2006-11-11 15:27:33 · 9 answers · asked by Helpmeplease 1 in Physics

a. 9 = 16 x __ + 51

b. 2 x __ - 8 = 14 - 9 x __

c. 3 x __ + 5 = 9 x __ +2

2006-11-11 15:26:24 · 4 answers · asked by Anonymous in Mathematics

who ya got?

2006-11-11 15:22:56 · 4 answers · asked by J B 1 in Zoology

2006-11-11 15:22:49 · 5 answers · asked by Yay Area 5 in Earth Sciences & Geology

2006-11-11 15:21:59 · 9 answers · asked by BigStack1980 1 in Physics

what animals migrate to wetlands, and what kind of wetlands do they migrate to??

2006-11-11 15:21:11 · 2 answers · asked by tangerine 1 in Earth Sciences & Geology

This question is related to VIIth class Science book of N.C.E.R.t

2006-11-11 15:16:27 · 13 answers · asked by sajid g 1 in Physics

My G-grandfather died on the way home after the civil war when it was over. he is buried in Holly-wood cemetery Section W. Row #655 in Richmond, Virginia,

2006-11-11 15:14:39 · 2 answers · asked by roguefish 1 in Geography

Use mathematical induction to prove that:

(a) 2^2 + 4^2 +…+ (2n)^2 = [2n (n+1) (2n+1)]/3, for n ≥ 1, and

(b) 5n! ≥ 3^n, for n ≥ 2

Need full explanation of steps for revision.

2006-11-11 15:06:00 · 2 answers · asked by Anonymous in Mathematics

How can triangulation be used to find out distance of Earth to nearby Star?

2006-11-11 15:05:16 · 5 answers · asked by Anonymous in Astronomy & Space

2006-11-11 15:02:47 · 8 answers · asked by Anonymous in Mathematics

NASA anounced 4 years ago that a comet was headed in the direction of earth.NASA said it would come/pass with in 3000 miles of earth,but being that it was within a certain distance that the earth would pull it in and the impact would be the end of the world as we know it.The day after they anounced this on CNN and other news stations,they recalled what they said,saying it would pass with in 300k to 500k miles of the earth,which poses no threat to us.Now why would NASA tell the world one thing,and the next day say something different?Was it the goverment?Do they not want us to know the world will end in 26 years?If the people knew the world would end in 26 years,people would not invest,they would not plan,they would do things different,which in result cause mass panic etc etc.....Tell me your thoughts!
NASA even did a demostration of what effect the comet would do to the earth,LIVE ON CNN. They put an Apple on a table,shot the apple with a "BB"(BB GUN).The Apple Exploded.

2006-11-11 15:01:45 · 9 answers · asked by Anonymous in Astronomy & Space

What causes spontaneous combustion and is it rare?

2006-11-11 15:00:54 · 6 answers · asked by dramaqueen4evur 1 in Physics

2006-11-11 14:59:40 · 3 answers · asked by thereddevil_mania 1 in Chemistry

how much more mass ... hydrogen...to trigger fusion

2006-11-11 14:58:08 · 2 answers · asked by Anonymous in Astronomy & Space

The pill has like a line on the same side as the numbers. the numbers could be 680 or 009, I am not sure, they are worn off. Does anyone have any clue what this pill could be?

2006-11-11 14:56:54 · 9 answers · asked by Anonymous in Medicine

Is it used like chloroform?

2006-11-11 14:45:23 · 2 answers · asked by darkside_91007 1 in Chemistry

(y-11) -(y+6)=6y

A)-5over 4 B) -17 over 4 C) -5 over 6 D) -17 over 6

2006-11-11 14:45:12 · 16 answers · asked by Anonymous in Mathematics

Democritus developed the concept of dividing matter into smaller and smaller pieces until u could divide it no more. These smallest pieces were called atoms. Many scientists have come up with models of atoms based on discoveries made by others. 4 of them r Dalton,Bohr,Rutherford and JJ Thomson.

Your Task:
1. Chronicle the milestone in the study of the structure of matter in a timeline. Using this timeline, describe how our ideas about atoms have evolved over time.
2. Describe models of atoms suggested by Bohr and 2 of the other scientists(Dalton, Rutherford and JJ Thomson)

In ur timeline, you shld have dates, names(scientists), a brief description of their contributions which hav helped shape the models of atoms in chronological order (including the 4 mentioned abv and 5 others)

Please try and help me if you can cause i really need help from you guys. And also please acknowledge your sources.

2006-11-11 14:44:00 · 4 answers · asked by icy circle 2 in Chemistry

2006-11-11 14:42:19 · 7 answers · asked by matzt60 1 in Mathematics

I do not understand these, could someone PLEASE explain them?

The angle of elevation from a point 25 feet from the base of a tree on level ground to the top of the tree is 30º. Which equation can be used to find the height of the tree?
1) tan 30º = x/25
2) cos 30º = x/25
3) sin 30º = x/25
4) 30²+25²=x²

and

The line 3x-2y=12 has:
1) a slope of 3/2 and a y-intercept of -6
2) a slope of -3/2 and a y-intercept of 6
3) a slope of 3 and a y-intercept of -2
4) a slope of -3 and a y-intercept of -6

Thank you!

2006-11-11 14:42:15 · 5 answers · asked by moonfreak♦ 5 in Mathematics

2006-11-11 14:41:00 · 26 answers · asked by Jack M 1 in Earth Sciences & Geology

Does anybody know how nickel is mined. If you find a site on how nickel is mined, please tell me this site. Thanks!

2006-11-11 14:40:37 · 2 answers · asked by Anonymous in Earth Sciences & Geology

2006-11-11 14:39:11 · 18 answers · asked by father of 4 husband of 1 3 in Astronomy & Space

2006-11-11 14:34:24 · 6 answers · asked by dexter j 1 in Engineering

Use mathematical induction to prove that:

(a) 2^2 + 4^2 +…+ (2n)^2 = [2n (n+1) (2n+1)]/3, for n ≥ 1, and

(b) 5n! ≥ 3^n, for n ≥ 2

Need full explanation of steps for revision.

2006-11-11 14:34:12 · 2 answers · asked by Anonymous in Mathematics

2006-11-11 14:28:37 · 1 answers · asked by syrious 5 in Earth Sciences & Geology

I need to prove or disprove
square root of "a" plus the square root of "b"
is equal to
square root of "a" plus "b"

Its not that easy because if you substitute in "a" is equal to 16 and "b" is equal to 16 the problem doesnt work out I know that the the equality can be proven but I'm just not sure what other steps I should take to prove the equation true. Thanks For your help... Oh.. By the way.. I'm no really worried about the answer just about the steps and how this can be proven so if you dont know how to do it and are just gonna type in the answer just dont answer, again this is for true mathematicians who can actually prove things in algebra.

2006-11-11 14:24:35 · 4 answers · asked by MathGuy 2 in Mathematics

Just wondering how many liters are in 1 mole of gasoline.

Thanks!

2006-11-11 14:24:10 · 3 answers · asked by Andrew\ 1 in Engineering