Science & Mathematics - 27 July 2007

2007-07-27 08:51:34 · 8 answers · asked by no idea 2 in Other - Science

2007-07-27 08:50:45 · 8 answers · asked by Anonymous in Mathematics

Okay, I have this problem and I can't figure it out!
What is the freezing point of a solution of 84.1 g of sodium chloride dissolved in 1000 g of water? The answer is -5.35 deg. I just dont know how to get the answer...thanks!

2007-07-27 08:49:10 · 3 answers · asked by Jay Jay 1 in Chemistry

How do anicent poeple brush their teeth and wash their hair?

2007-07-27 08:46:50 · 4 answers · asked by sel_bos 3 in Other - Science

What are the best color filters to use? Is there any way I can make a homemade filter for temporary use? Thanks for your ideas.

2007-07-27 08:46:01 · 4 answers · asked by justask23 5 in Astronomy & Space

Evaluate:

x - y
------------
z to the 3rd power

when:
x = 3/4
y = 3/8
z = 1/2

2007-07-27 08:44:26 · 11 answers · asked by L. ♥. V. E. 2 in Mathematics

is a(t)=2t -12 (in units of ft and sec)
If the initial velocity of the particle is 27 ft/ sec, at what time t during the interval 0 less than or equal to t and 8 is greater than or equal to t (in other words 0

2007-07-27 08:41:05 · 2 answers · asked by sdt3 1 in Mathematics

2007-07-27 08:32:30 · 6 answers · asked by Anonymous in Mathematics

2007-07-27 08:31:09 · 3 answers · asked by Anonymous in Mathematics

2007-07-27 08:30:45 · 3 answers · asked by no idea 2 in Astronomy & Space

2007-07-27 08:30:15 · 2 answers · asked by Anonymous in Mathematics

2007-07-27 08:29:15 · 3 answers · asked by Anonymous in Mathematics

measuring 75ft before coming to a stop. How fast was the car traveling when the brakes were first applied?

2007-07-27 08:26:17 · 3 answers · asked by gistrm 1 in Mathematics

Evaluate:

x / y when

x = 3 1/2
y = 2 1/4

2007-07-27 08:26:07 · 12 answers · asked by L. ♥. V. E. 2 in Mathematics

2007-07-27 08:24:06 · 6 answers · asked by Anonymous in Mathematics

iam pour a slab of cement, 100x150 = 15,000 square feet, its going to cost me $50,000 how much is that a square foot.?

2007-07-27 08:19:53 · 8 answers · asked by Anonymous in Mathematics

how to install

2007-07-27 08:15:22 · 4 answers · asked by hydolinski 1 in Engineering

discuss the important characteristic of austenite to martensite transformation.describe the procedure & application of normalizing heat treatment.

2007-07-27 08:12:21 · 5 answers · asked by rajev v 1 in Engineering

2007-07-27 08:09:14 · 1 answers · asked by Menehune 7 in Geography

I have heard observing Uranus and Neptune are really dissapointing.I'm not suprised either because the distance between Saturn and Uranus is huge.Have any of you observed both of these outer system Gas Giants?My father says Uranus appears greenish with no detail on the Telescope.

2007-07-27 08:08:56 · 12 answers · asked by Anonymous in Astronomy & Space

2007-07-27 08:04:57 · 11 answers · asked by Anonymous in Mathematics

2007-07-27 08:03:45 · 9 answers · asked by swthrtdl 1 in Mathematics

2007-07-27 08:02:34 · 6 answers · asked by swthrtdl 1 in Mathematics

I kinda beleive in aliens we cant be alone in this huge universe with hundreds of other planets with nothing on them.. yeah right nothing on them..lol. anyway yeah I kinda beleieve their real it wouldnt be that bad to meet one neither.

2007-07-27 07:57:31 · 8 answers · asked by ~*[AnD]*~ 4 lyfe 2 in Astronomy & Space

Evaluate the expression.
105 - 45 ÷ 15 + 6

A. 96

B. 108

C. -15

D. -48

2007-07-27 07:56:51 · 9 answers · asked by Anonymous in Mathematics

u can solve the problem of one youngsterter 2day.

2007-07-27 07:56:35 · 4 answers · asked by suba 1 in Engineering

Simplify: (x^2 + 3x - 5) + (4x^2 - 7x - 9)

A. 4x^2 - 10x + 4

B. 4x^4 - 4x^2 + 45

C. 5x^2 - 4x - 14

D. -3x^2 - 4x - 4

2007-07-27 07:55:59 · 3 answers · asked by Anonymous in Mathematics

then are there other planets? do they have life? will we ever know?

2007-07-27 07:53:34 · 12 answers · asked by Anonymous in Astronomy & Space

Ok, my mom is A- and my dad is AB-???? Now, I've done alot of researching and I don't think that it is even possible to have O- with them being A- and AB- is it??? Please respond. But serious answers only because this is not a joking matter. Thanks!!

2007-07-27 07:53:30 · 7 answers · asked by meme870306 1 in Medicine

2007-07-27 07:53:20 · 5 answers · asked by Queen 5 in Astronomy & Space