Science & Mathematics - 28 November 2007

2007-11-28 05:28:36 · 8 answers · asked by just james 3 in Earth Sciences & Geology

for this kinda problem i just had to point out where the first mistake is made when the problem gets worked out. heres the rational expression.

problem: (6x)/(4y^2) times (y^3)/(x^2)
line 1[ (6x)/(4y^2) times (y^3)/(x^2) ]
line 2[ (6)/(4y^2) times (y^3)/(x) ]
line 3[ (6)/(4) times (y)/(x)]
line 4[ (6y)/4x) ]

which line did the mistake occur?

2007-11-28 05:26:22 · 6 answers · asked by Anonymous in Mathematics

How can scientist determine what an animals see's based on what they see and comprehend? As far as i'm conserned.. animals see colors like you and I.

2007-11-28 05:25:34 · 9 answers · asked by NiCk_jOnAs_fAnn 1 in Zoology

I've heard that this has happened before, but I don't understand how it is possible. Could someone explain it scientifically?

2007-11-28 05:19:39 · 6 answers · asked by zaichev 1 in Biology

A Major shopping units
B Clothing and Shoe Shops
C Convenience shops
D Furniture and Carpets
E Specialist shops
F Personal services
G Catering and entertainment
H Car Sales
J Professional services and officeS
K Public buildings
L Transport
M Change
N Residential
P Industrial
Q Discount stores OR
R Charity?
IS IT K, G, J, F OR E

2007-11-28 05:19:11 · 3 answers · asked by dead or alive 3 in Geography

why cant a sex cell produce a new organism by itself

2007-11-28 05:13:47 · 8 answers · asked by Anonymous in Biology

2007-11-28 05:11:36 · 7 answers · asked by stayathomemom 1 in Astronomy & Space

It is very upsetting, how can people kill an animal that is so delicate and peaceful?

2007-11-28 05:09:41 · 4 answers · asked by Andrea 3 in Zoology

2007-11-28 05:08:30 · 8 answers · asked by Anonymous in Weather

How much heat is released when 9.16 grams of solid calcium hydroxide is added to 293 mL of 7.5 M HNO3?

2007-11-28 05:08:12 · 3 answers · asked by io 1 in Chemistry

I won't to avoid mentioning Fourier or Laplace. I would like a simple way of deriving this. Perhaps, i can say something about the energy at higher frequencies being attenuated and relate to Coulombs law and electric feild. Any suggestions?

2007-11-28 05:07:19 · 7 answers · asked by Paine 6 in Engineering

2007-11-28 05:05:47 · 2 answers · asked by Anonymous in Mathematics

2007-11-28 05:03:38 · 11 answers · asked by Anonymous in Astronomy & Space

I cannot find the answer to this question anywhere. So I thought I would try here. Basically I need to know Zn(OH)2 + H2SO4 --> __________ + _____________!!!
Any tips or answers you can give me are greatly appreciated.

2007-11-28 05:02:52 · 2 answers · asked by Chloe 1 in Chemistry

dy/dx = 1+x / xy^10; x>0
Use the following initial condition: y(1)=5
y^11 = ____________________

2007-11-28 05:00:01 · 2 answers · asked by simonkf2002 1 in Mathematics

2007-11-28 04:59:06 · 10 answers · asked by Anonymous in Astronomy & Space

2007-11-28 04:56:14 · 7 answers · asked by Anonymous in Mathematics

any help would be great ,even if explaining a good way to do it.

here it is:
R = 4 to the power of 40 + 4 to the power of 1024 + 4 to the power of H.
What is the the largest number H can be so that R is the square of a whole number?

H and R are whole numbers.

2007-11-28 04:55:57 · 1 answers · asked by Anonymous in Mathematics

Sorry to ask another one, but this Calc class is killing me. So my question is:
Find the two values of k for which y(x) = e^kx
is a solution of the differential equation y"-17y' + 72y= 0.

I need to find the two values but I keep getting the wrong answers. Thank you for your help :)

2007-11-28 04:54:29 · 1 answers · asked by Graduation 2012 = :) 3 in Mathematics

Does anybody projected out of your body? How was it?

2007-11-28 04:50:25 · 9 answers · asked by Lara 2 in Paranormal Phenomena

2007-11-28 04:49:57 · 7 answers · asked by Music # Blast 3 in Chemistry

a. to record and predict meteorites
b. to record and predict volcanic eruptions
c. to record and predict the weather
d. to record and predict earthquakes

2007-11-28 04:49:46 · 7 answers · asked by Anonymous in Earth Sciences & Geology

a. geologic units of similar ages
b. geologic units of similar colors
c. geologic units of similar types of rock
d. geologic units of different ages

2007-11-28 04:49:23 · 2 answers · asked by Anonymous in Earth Sciences & Geology

i need the zip code to far rockaway..its the area when you cross the bridge from brooklyn and theres water under duhhh!!! n e ways its for a house that is a block away from the beach .thank you

2007-11-28 04:48:58 · 4 answers · asked by lil' shamy 1 in Geography

a. a volume of rock of different age ranges and rock types
b. a single rock of a given age range and rock type
c. a volume of rock of a given age range and rock type
d. a single rock of different age ranges and rock types

2007-11-28 04:48:54 · 1 answers · asked by Anonymous in Earth Sciences & Geology

64 + 16L + 4M = 0 and 48+8L + M = 0

I have to find the value of M and L,
can somebody talk me through it please :) thanks

2007-11-28 04:48:07 · 3 answers · asked by Anonymous in Mathematics

solve each equations for y to get two separate equations that could be entered on a graphing calculator.

x^2+y^2=4
4x^2+y^2=9
3x-2y^2=1
i need some help solving these questions step by step. I dont need the answers, i just need to know how to solve these

2007-11-28 04:48:05 · 3 answers · asked by aznsoccerplaya 1 in Mathematics

a. the distribution of topographic features
b. the distribution of geologic features
c. realistic geologic features
d. the distribution of political boundaries

2007-11-28 04:47:27 · 3 answers · asked by Anonymous in Earth Sciences & Geology

add and express in simplest form.



4y/y^2+6y+5 + 2y/y^2-1

2007-11-28 04:46:46 · 4 answers · asked by God Bless America!~ 4 in Mathematics

can anyone help me with this
I would appreciate it more then you know

2007-11-28 04:46:12 · 3 answers · asked by arcrose 1 in Mathematics