Science & Mathematics - 4 September 2007

2007-09-04 10:31:35 · 6 answers · asked by Robert G 2 in Mathematics

2007-09-04 10:31:11 · 7 answers · asked by dynamochick22 1 in Chemistry

1. the product of two positive numbers is greater than either number
2. the quotient of two prpoer fractions is a proper fraction.

2007-09-04 10:30:52 · 2 answers · asked by Danielle C 1 in Mathematics

I started with AC + A'BD' + A'BE + A'C'DE
I got to AC + A'(BD' + BE + C'DE)
Then to (A + BD' + BE + C'DE)(A' + C)
Then to (A + C'DE + B(D' + E)) (A' + C)
Then to (A + B + C'DE)(A + C'DE + D' + E)(A' + C)

What can I do from here?

2007-09-04 10:27:44 · 1 answers · asked by adriana_00000 2 in Mathematics

to dominate over antimatter...Bringing about asymetry and life?

2007-09-04 10:25:17 · 3 answers · asked by Face 1 in Physics

* Please dont be discouraged to try and answer this question because of its length, any help will great

For the formation of compound Li ^+2O ^-- by using ionic bonding: (the + and - signs are suppose to be superscripts and the 2 is suppose to be a subscript)

1. Draw the elcetron-transfer diagram using orbital notation
2. write the elcetron -dot formula for the compound.
3. write an equation showing the oxidation
4. write an equation showinf the reduction
5. identify the oxidizing agent and reducing agent

2007-09-04 10:24:40 · 1 answers · asked by Whats the Scoop? 2 in Chemistry

Can someone explain what is viagra

2007-09-04 10:23:23 · 4 answers · asked by Pierre Andrews 1 in Medicine

How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution?

2007-09-04 10:22:57 · 3 answers · asked by Anonymous in Mathematics

I think it won't happen in our lifetime but sometime way after we are gone. Maybe 100 years down the road in my opinion.

2007-09-04 10:22:46 · 7 answers · asked by Scooter_loves_his_dad 7 in Astronomy & Space

My 16 yr old is doing her math H/W and is stuck - now we have the answer but she needs to show the workings etc. The question is as follows - This is my daughter asking now -

put xh (x) + 1 = 0 into the function hx: is 2 -3x

acc to the book the answer is -1/3 (1 over 3 as a fraction) but somehow i keep getting 1/4 or 1/2 (fractions) help?

2007-09-04 10:17:07 · 6 answers · asked by Anonymous in Mathematics

I've had these up but no one has been able to help me with the following. The first of the three seems to be the trickiest...

Use Integration by parts to evaluate the integrals:

[IntSign](ln(4x))^2 dx

[IntSign]x^(9)cos(x^5) dx

Evaluate the following:

[IntSgn]sin^3(4x)cos^8(4x) dx

2007-09-04 10:15:17 · 2 answers · asked by Alysse 1 in Mathematics

Yeah, what is a frog called when it still has gills?
No Stupid answers please.

2007-09-04 10:13:05 · 11 answers · asked by Anonymous in Zoology

if I tell you please don t act like that you made it up
I made an invention of a tooth brush and a tooth paste in one and you just hold the button down and the tooth paste come through the brush and you don t have to do it by your self just a button and then it on your brush and soo you dont have to spill it in your bathroom and slip on it and or your kids get it and a free kit with i and 4 free tooth paste

would yall buy it if it real
I send to the bank and they put the date or something on there to prove that I made it earlyier

2007-09-04 10:08:51 · 4 answers · asked by Idonotknow 2 in Other - Science

2007-09-04 10:02:47 · 6 answers · asked by Anonymous in Astronomy & Space

2007-09-04 10:01:18 · 5 answers · asked by slamdunk195946cd 1 in Zoology

what do i write in the evaluation part?

thank you

2007-09-04 09:58:22 · 5 answers · asked by Anonymous in Chemistry

Chemistry the branch of science?

2007-09-04 09:56:07 · 4 answers · asked by Anonymous in Chemistry

2007-09-04 09:54:23 · 2 answers · asked by Anonymous in Mathematics

What's the integral of 4/(t^2+1) dt with bounds of 0 and 1 and how do you find it?

2007-09-04 09:52:35 · 4 answers · asked by ekimollidrac 3 in Mathematics

Directions: write each of the following expressions in the form ca^pb^q whwere c, p, and q are numbers:

(a)

(2a^2)^3
------------------
b
(b)

a^ -1
--------
(b ^-1) square root of a

(c)

ab-a
-------
b^2-b

(d)

a(2/b)
---------
3/a

2007-09-04 09:50:44 · 4 answers · asked by Whats the Scoop? 2 in Mathematics

2007-09-04 09:50:43 · 2 answers · asked by molly_pitcher_usa 2 in Weather

y1= -3/8x+7
-39x+24y= -216

show work

2007-09-04 09:49:59 · 6 answers · asked by Anonymous in Mathematics

This is from http://www.mindchallenger.com where there is a collection of various puzzles and brain teasers.

Find the area of a triangle whose sides are 13, 18, and 31 inches.

2007-09-04 09:49:47 · 4 answers · asked by Anonymous in Mathematics

I dont understad this problem:

Directions: Write a linear equation to model each table of values. For each equation, state what the slope represents.

Question:


Hours --- Parking Fee ($)
3 --- 6.50
7 --- 12.50


I really need help! Thank you in advance! :]

2007-09-04 09:48:52 · 3 answers · asked by Emma 3 in Mathematics

2007-09-04 09:47:14 · 15 answers · asked by Anonymous in Chemistry

2007-09-04 09:45:37 · 18 answers · asked by funk4lfe 1 in Chemistry

Am i correct in thinking that one H2O molecule = 1.5mol
therefore, 18H2O molecules simply = 18 * 1.5?
giving me a final answer of 27mol?
thanks!

2007-09-04 09:45:17 · 3 answers · asked by Anonymous in Chemistry

okay so today when i went to school my teacher told as that we have to write stuff about heat or conductive so can anybody tell me 5 or more stuff about heat or condivty thnks

2007-09-04 09:39:38 · 7 answers · asked by DarK AngeL 2 in Engineering

y = 2x + 9

y = 9x + 5

y = 5x + 5

y = 5x + 9

2007-09-04 09:38:21 · 4 answers · asked by wendiemail 1 in Mathematics

2007-09-04 09:36:26 · 11 answers · asked by wess k 1 in Physics