Science & Mathematics - 5 February 2007

Help with math !!1

(1) Evaluate sqrt9/16

(2) Simplify 7sqrt700

and finally

Simplify sqrt112x^4 assuming that x represents a positive number


Help Please

2007-02-05 15:21:47 · 7 answers · asked by CookFrNW 3 in Mathematics

It's a two part question!

2007-02-05 15:20:39 · 11 answers · asked by Anonymous in Chemistry

2007-02-05 15:19:33 · 1 answers · asked by JUDY T 3 in Physics

2007-02-05 15:18:53 · 4 answers · asked by Anonymous in Chemistry

What are the elements called in the first row of the rare earth elements of the periodic table?
The worksheet scramble letters are: "sletahnaidn".

Thank you!

2007-02-05 15:18:52 · 4 answers · asked by Yahoo! User 2 in Chemistry

2007-02-05 15:18:00 · 24 answers · asked by Anonymous in Zoology

Let h(x)=4x2+2x+5.
Let g(x)=x^(1/4) +3

What is g(x + 1)?

Thank you

2007-02-05 15:17:50 · 4 answers · asked by J R 2 in Mathematics

okay, so now I know that I am stressing my amp which spits out of two outputs a 4 ohms each into speakers at 8 ohms each. How would I go about correcting this? Would making a simple 2 to 1 speaker cable work? Plug both 4 ohm jacks into a single 8 ohm speaker?

2007-02-05 15:14:55 · 2 answers · asked by Andrew B 1 in Engineering

a volume of 2.27 mL of SiCl (density = 1.438g/ml) reacts with an excess of H2S (g), giving HSSiCl3 according to the reaction:
SiCl4(l) + H2S (g) --> HSSiCl3 (l) + HCl (g).
If the HCl produced reacts with 8.267 x 10^-3 mol of NaOH according to the reaction:
HCl + NaOH --> NaCl + H2O. What is the percent yeid of HSSiCl3?

If that wasn't hard enough...
A common oven cleaner contains a very caustic metal hydroxide, which we represent as MOH. Reaction of .7134 grams of MOH with HNO requries 4.50 grams to reach the end point.
MOH + HNO3 --> MNO3 + H2O.
what is the element M and what is the formula of the hydroxide..

Any help at all would be greatly appreciated. I have no clue how to even attempt. Thank you for your time!

2007-02-05 15:14:30 · 1 answers · asked by Victoria 2 in Chemistry

People say that nothing else in the Universe can go faster than the speed of light, as the energy used would drastically increase to move something with mass that fast. But light has mass, so how come it can move that fast?

2007-02-05 15:14:30 · 6 answers · asked by The Prince 1 in Physics

of a triangle that is oposite to a 120° angle, the other 2 sides are R and 2R

2007-02-05 15:13:06 · 5 answers · asked by ? 5 in Mathematics

What is Plank's theory? What is Plank's constant h ? - from K N Swamy

2007-02-05 15:11:45 · 5 answers · asked by sweetvirgo58 1 in Physics

TRANSFORMATION OF AN IMAGE

like
1)roation
2)reflection
3) glid reflection...

and so on

plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
i need a web site where they give you step by step how to draw them and and image or somthing!! thank u!!

2007-02-05 15:10:08 · 2 answers · asked by Anonymous in Mathematics

What is the difference between Fission and Fusion? How are they alike? Please help

2007-02-05 15:09:56 · 4 answers · asked by ct7167tef 1 in Physics

Have you ever seen one?

2007-02-05 15:09:56 · 3 answers · asked by Anonymous in Astronomy & Space

A suggested mechanism for the reaction of nitrogen dioxide and fluorine is


Step I NO2 + F2 --> NO2F + F (slow)


Step II F + NO2 --> NO2F (fast)


Which of the following statements are true?


a) Step II is the rate determining step


b) For the rate determining step : rate = k[NO2][F2]


c) The overall reaction is 2NO2 + F2 --> 2NO2F


d) The experimental rate law is k[NO2]

Can be more than 1 correct answer

2007-02-05 15:09:33 · 2 answers · asked by Anonymous in Chemistry

What is Plank's theory? What is Plank's constant h ? - from K N Swamy

2007-02-05 15:09:02 · 5 answers · asked by sweetvirgo58 1 in Physics

r of the cell?

2007-02-05 15:07:51 · 2 answers · asked by camusia 1 in Biology

2007-02-05 15:06:01 · 14 answers · asked by miguel 1 in Mathematics

2007-02-05 15:05:21 · 8 answers · asked by Jerome C 1 in Mathematics

2007-02-05 15:05:15 · 1 answers · asked by insomnia made me ask this 1 in Biology

2007-02-05 15:05:09 · 2 answers · asked by amgbenz04 2 in Biology

Let h(x)=4x2+2x+5.
Let g(x)=x^(1/4) +3

What is g(x + 1)?

Thank you

2007-02-05 15:05:02 · 2 answers · asked by J R 2 in Mathematics

How do the lenses in an electron microscope and a compound microscope differ??
Someone please answer ASAP
Thanks!

2007-02-05 15:04:58 · 1 answers · asked by Natasha 3 in Chemistry

2007-02-05 15:04:56 · 1 answers · asked by amgbenz04 2 in Botany

2007-02-05 15:04:30 · 2 answers · asked by patricia m 1 in Engineering

I have an old Dorado bass amp head with two speaker outputs. Both outputs are labeled on the head as being 4 ohms. The speaker boxes I am using state that they are 8 ohms. Am I destroying my speakers?

2007-02-05 15:01:46 · 3 answers · asked by Andrew B 1 in Engineering

2007-02-05 15:01:44 · 3 answers · asked by Anonymous in Biology

2007-02-05 15:00:51 · 6 answers · asked by katelalley 1 in Botany

A motorboat traveling a straight course slows uniformly from 60km/hr to 40km/hr in a distance of 50m. Whats the boats acceleration?

2007-02-05 15:00:09 · 2 answers · asked by Morena 1 in Physics