Science & Mathematics - 13 December 2007

If a gradient of -578.947 is present on a line of best fit then how can you work out the intercept of the Y-Axis when a co-ord of:

(0.00110,0.0000019) is given?

Thank you

2007-12-13 06:26:27 · 1 answers · asked by Anonymous in Mathematics

The next 10 years?
The next 20 years?

2007-12-13 06:22:58 · 13 answers · asked by Anonymous in Astronomy & Space

2007-12-13 06:22:01 · 2 answers · asked by miss sib 1 in Astronomy & Space

5 *y square +13y-6>0

2007-12-13 06:20:07 · 2 answers · asked by Natalie S 1 in Mathematics

is there any chance that i can get the good view from my house or i have to go to any other place to get the view. which place in new york city will be the best spot to watch the geminid metor shower?

2007-12-13 06:19:31 · 2 answers · asked by jon 2 in Astronomy & Space

2007-12-13 06:17:48 · 3 answers · asked by The Gangsta! 2 in Chemistry

2007-12-13 06:14:26 · 4 answers · asked by Anonymous in Physics

Strontium-90 has a half-life of 28 years. Determine how much time has elapsed if the following fraction of a strontium-90 sample remains.
a) 1/4

b) 1/8

c)1/32

2007-12-13 06:09:42 · 1 answers · asked by Anonymous in Mathematics

2007-12-13 06:09:03 · 3 answers · asked by Daniel P 2 in Chemistry

sq= the square foot sign
1) sq of 200
a) 10 sq of2 b) 2 sq of100 c) 2 sq of 25
2)5 sq of20 - 6 sq of32
a)10 sq of2 - 12 sq of13 b)10 sq of5 - 6sq of2 c)10sq of5 - 24sq of2
3)There are 40 dimes and quarters in a drawer. Peggy counts them and determines their value to be $4.75. How many coins of each type are there?
a)6 quarters and 34 dimes b)10 quarters and 30 dimes c)5 quarters and 35 dimes
4)The sum of two numbers is 72. The difference of the numbers is 26. What are the numbers?
a)46 and 26 b)51 and 21 c)49 and 23
5)4k - kxy + 4pc - pcxy
a)(4 + xy)(k - pc) b)(4 - xy)(k + pc) c)(8 + xy)(k - pc)

2007-12-13 06:05:24 · 3 answers · asked by Michael T 1 in Mathematics

Here is a link to the plant. I know it has really big giant green leaves and at certain times a white bloom grows from it. What is it's name. Thanks

http://www.flickr.com/photos/tysonwilliams/202819179/

2007-12-13 05:58:21 · 7 answers · asked by butterfly234 4 in Botany

A farmer plans to fence a rectangular pasture adjacent to a river. The pasture must contain 180,000 sq meters in order to provide enough grass for the herd. What dimensions would require the least amount of fencing if no fencing is needed along the river.

2007-12-13 05:57:51 · 3 answers · asked by Anonymous in Mathematics

,(0, ), (-1/3, ) I am lost

2007-12-13 05:57:04 · 5 answers · asked by blondie42 1 in Mathematics

Find the length and width of a rectangle that has the given area and a minimum perimeter.

1. Area: 64 sq ft
2. Area: A sq. cm

2007-12-13 05:55:57 · 3 answers · asked by Anonymous in Mathematics

I've heard people speak of seeing ghosts, angels, aliens or un-wordly things. Have you experienced something like this? What's your story. If not, do you believe that things like this happen?

2007-12-13 05:53:44 · 16 answers · asked by khandiki 2 in Paranormal Phenomena

2007-12-13 05:45:40 · 3 answers · asked by bleech1 2 in Physics

a) A free radical is a molecule with one or more unpaired electrons

b) Molecules in the atmosphere can gain energy equal to hλ by absorbing a photon.

c) Chemical reactions that do not occur at normal atmospheric temperatures can take place by absorbing a photon

d) O2(g) → O + O is an example of photodissociation

2007-12-13 05:45:06 · 2 answers · asked by ginger_spic 1 in Chemistry

Evaluate ∫sinx/(1+x^2)dx?
∫sinx/(1+x^2)dx
u = arctanx
du = 1/(1+x^2)dx
x = tanu
sinx=sin(tanu)
evaluate ∫sin(tanu)du
u = cosx
du = -sinx dx
cant get further

2007-12-13 05:44:00 · 2 answers · asked by Namu 2 in Mathematics

Did you know that the animals we eat are very complex creatures? They can feel pain and are very social. So knowing that, is there any justification for slauterhouses. And please don't tell me that they provide food for us. Millions of people live vibrant heatly lives on a vegetarian diet. Please go the website below to witness the suffering of these innocent animals.


http://www.peta.org/


http://getactive.peta.org/campaign/smithfield_investigation

2007-12-13 05:43:41 · 11 answers · asked by Anonymous in Zoology

what are some environmental problems that are specifically caused by humans?

2007-12-13 05:42:22 · 2 answers · asked by zanessa<3 2 in Biology

2007-12-13 05:39:29 · 3 answers · asked by Sadaf N 1 in Chemistry

2007-12-13 05:36:16 · 8 answers · asked by Bill W 【ツ】 6 in Biology

The volume V of such a hollow cylinder is given by
the formula V = π (R^2 −r ^2 )h . Find the volume of
such a cylinder in cm3, given that its external
radius, thickness (R - r) and height are 7.4cm,
1.3cm and 12 cm respectively.

How can I type this in the matlab???
thanx

2007-12-13 05:33:36 · 2 answers · asked by Lou M 1 in Mathematics

solve the equation

2007-12-13 05:32:12 · 5 answers · asked by Anonymous in Mathematics

A scientific simple answer please

2007-12-13 05:29:43 · 8 answers · asked by farawaysofar 2 in Mathematics

2007-12-13 05:28:51 · 7 answers · asked by Anonymous in Mathematics

A page is to contain 30 square inches of print. The margins on each side are 1 inch. Find the dimensions of the page such that the least amount of paper is used.

2007-12-13 05:27:21 · 1 answers · asked by Anonymous in Mathematics

2007-12-13 05:25:38 · 20 answers · asked by desiree 1 in Mathematics

use the formula s=16t^2

where do you put in the height?

2007-12-13 05:22:05 · 6 answers · asked by Anonymous in Mathematics

Well, there are 7 types of bodies, the emotional, the biological, the etherical, the astral, etc. Feelings belong to the emotional body. Do you think that music can also expres by sound and the other tupes of human bodies, as well? And if so, is music a way of understanding the functions and the constrauction of our other bodies? If my explanation is not thourough then plz lt me know so i can correct it...


thanx

2007-12-13 05:21:15 · 8 answers · asked by Anonymous in Astronomy & Space