Science & Mathematics - 25 September 2006

2006-09-25 16:14:33 · 4 answers · asked by BMac 3 in Mathematics

2006-09-25 16:12:29 · 2 answers · asked by mag c 1 in Chemistry

2006-09-25 16:12:12 · 10 answers · asked by buzzybeans 1 in Mathematics

State the interval of x for which the function is increasing or decreasing.
here u can see the picture of the Line http://img82.imageshack.us/my.php?image=untitled1nk1.jpg

2006-09-25 16:11:14 · 3 answers · asked by Hala 2 in Mathematics

2006-09-25 16:10:26 · 1 answers · asked by BMac 3 in Mathematics

The hydride ion, H– reacts with water to yield _____.
A) O2
B) H2O2
C) H2
D) H2 and O2

I read that they react to give off H2 and OH- ...so C?

2006-09-25 16:08:46 · 2 answers · asked by axcryingxshame 1 in Chemistry

2006-09-25 16:08:35 · 1 answers · asked by BMac 3 in Mathematics

2006-09-25 16:07:52 · 5 answers · asked by roop95630 1 in Biology

i will ask 6 more questions tonight. tommorow morning you will get all best answers if they are right.

2006-09-25 16:06:14 · 1 answers · asked by BMac 3 in Mathematics

its German... Chemistry...
see http://de.wikipedia.org/wiki/Verd%C3%BCnnungsreihe

2006-09-25 16:03:42 · 4 answers · asked by alx 1 in Chemistry

hi if you explain these two examples thoroughly, i will click correct answer for you.

1.A sports club charges an intiation fee and a monthly fee. At the end of 5 months, a member had paid a total of $170. At the end of 10 months, she paid a total of $296. What is the initiation fee?

2. A crate of 36 grapefruit has a total mass of 4 kg. When 12 grapefruit are removed, the total mass is 3 kg. Determine the mass of the crate and the mass of one grapefruit.

2006-09-25 16:01:00 · 6 answers · asked by m 1 in Mathematics

is there some thing out there that ucan put on a m,agnet or part of a magnet that will make it stop sticking to metal.if so then what

2006-09-25 16:00:45 · 5 answers · asked by gramkamy 1 in Other - Science

Does that mean it could cause other changes too? Let's say it smelled and tasted like sulfur.

2006-09-25 16:00:41 · 5 answers · asked by *babydoll* 6 in Biology

An example of a Lewis acid that is not Brønsted acid is _____.
A) SO2
B) CH3COOH
C) HIO4
D) HNO3

i think its A, because A isnt a bronsted because it cant donate a proton?

2006-09-25 15:58:24 · 2 answers · asked by axcryingxshame 1 in Chemistry

I have 3 questions I can't figure out please help.

(1.)The Sears Building in Chicago sways back and forth with a frequency of about 0.10 Hz. What is its period of vibration?

(2.)Sound with a frequency of 261.6 Hz travels through water at a speed of 1435 m/s. Find its wavelength in water.

(3.)What is the relationship between the amplitude of a wave and the energy carried?

2006-09-25 15:57:31 · 2 answers · asked by AJ 2 in Physics

2006-09-25 15:55:48 · 1 answers · asked by Anonymous in Biology

Take Orthoclase (KAlSi3O8) for example.From the formula how can we determine the type of bonding involved EG. ionic, covalent...other ?

2006-09-25 15:55:42 · 2 answers · asked by Gideon 1 in Earth Sciences & Geology

I have a math assignment on percentiles and class ended before the teacher could explain how to do percentile ranks, so I basically need a nice juicy teaching on the subject so I can find the percentile rank in a list of data and find how many it scored above and below and all that jazz that comes along with percentile ranks. Thanks!

2006-09-25 15:52:53 · 2 answers · asked by dinasaur01 2 in Mathematics

a cereal or oatmeal box. 2 holes on each side, a string coming out of each hole. By pulling any one string you can make any of the other string move, not all 3 remaining strings, but one at a time, does this make sense, I can't figure out how to do this...help..thaNKS

2006-09-25 15:51:11 · 3 answers · asked by john d 1 in Other - Science

The correct order of Lewis acid strength is _____.
A) BCl3 > BF3
B) Fe3+ < Fe2+
C) Ag > Ag+
D) BF3 > BCl3

2006-09-25 15:49:05 · 1 answers · asked by axcryingxshame 1 in Chemistry

please explain. thanks a bunch

2006-09-25 15:49:03 · 4 answers · asked by BMac 3 in Mathematics

The equation is:

5^x = 25^x-1

I know you have to make 25^x-1 and put it as (5^2)^x-1

2006-09-25 15:48:56 · 9 answers · asked by Jamie B 1 in Mathematics

how do you find the mass and volume of an object...?

2006-09-25 15:47:36 · 3 answers · asked by ☆★♪♫Caitlin♫♪★☆ 2 in Mathematics

2006-09-25 15:46:37 · 3 answers · asked by BMac 3 in Mathematics

2006-09-25 15:39:25 · 3 answers · asked by BMac 3 in Mathematics

I need to reasons please someone help me

2006-09-25 15:38:50 · 3 answers · asked by the one 2 in Chemistry

where are they at

2006-09-25 15:37:49 · 3 answers · asked by hot hot heat 1 in Chemistry

2006-09-25 15:36:00 · 7 answers · asked by Anonymous in Biology

2006-09-25 15:31:38 · 4 answers · asked by Shagufta M 1 in Chemistry

I my self am Learning disabled/ADHD/Dislexic and i take medication i feel it helps i would like to hear others voice on this subject

2006-09-25 15:31:04 · 22 answers · asked by Anonymous in Medicine