Science & Mathematics - 3 December 2006

Such as these copper sulfate, sodium borate, potassium chloride,cupric chloride...

2006-12-03 06:23:56 · 7 answers · asked by russelthurmond 2 in Chemistry

The length of a rectangle is twice its width. If the area of the rectangle is 162 yds ^2, find its perimeter.

2006-12-03 06:22:51 · 5 answers · asked by Ken H 1 in Mathematics

i know its cos(x+30)=1/4 but what is the working to get to what the 2 possibilties of x are?

2006-12-03 06:22:39 · 2 answers · asked by Stephanieee! 1 in Mathematics

2006-12-03 06:22:14 · 8 answers · asked by Anonymous in Botany

2006-12-03 06:21:55 · 1 answers · asked by huzaifai 1 in Mathematics

This is a question from my physics text book. Underneath there is a picture of a guy trying to pull a weight by a chain. He is holding the chain horizontally and with both hands. im confused......thank you for your help!

2006-12-03 06:18:30 · 9 answers · asked by Anonymous in Physics

2006-12-03 06:17:46 · 19 answers · asked by Anonymous in Other - Science

2006-12-03 06:17:22 · 1 answers · asked by brian s 1 in Zoology

A ski shop is marking all their items down 20%. In addition, if the item is more than $100, they will take an additional $25 off. If a pair of skis were purchased at a sale price of $231, what was the price of the original skis?


Allen's diet says he can only have fruit drinks that contain 15 calories per ounce. All he has is a bottle of grape juice that contains 18 calories per ounce, and a bottle of sunkist grape juice that contains 6 calories per ounce. If he wants to drink a 12 ounce glass of grape fruit juice, how many ounces of each bottle should he mix to get a drink that will fit his diet?

I would like to know how to set up variables to represent the quantities and how the equation should be formed. Thanks in advance

2006-12-03 06:14:23 · 8 answers · asked by johnny d 2 in Mathematics

it's radius is 44. i know how to find the area, but the rest is completley lost on me. pi times the radius suared is the area. the volume is...?

2006-12-03 06:11:50 · 6 answers · asked by Aleahgirl31548 2 in Mathematics

I found this link and I'd like your opinion on it.
More to the point I would like you to go through the list of names and see if you recognise a reputable scientist from modern times.
It's a bit long, I know, but I'd like a scientific and/or secular view.
Thanks
http://www.answersingenesis.org/home/area/bios/

2006-12-03 06:11:17 · 7 answers · asked by Melok 4 in Other - Science

the equality is:
sigma(from j=0 to N) C(N,j)*C(M,n-j)=C(N+M,n)
I used the identity of (1+t)^(N+M)=(1+t)^N+(1+t)^M
but I wasn't able to solve it
thanks...

2006-12-03 06:09:13 · 3 answers · asked by boomber 1 in Mathematics

Of all the animals only felines are in the habit of covering their shits, not dogs. Is their a reasoned explanation.
What wild animals are of the dogs' family.

2006-12-03 06:07:19 · 7 answers · asked by Cikku 1 in Zoology

2006-12-03 06:06:46 · 7 answers · asked by sexy dee 1 in Zoology

florence griffith set two world records in 1988. the first was set for the womens 100 m run, which she ran in 10.49 s with an average speed of 9.53 m/s. the second record was set in the womens 200 m run which griffith ran in 21.34 seconds with an average speed of 9.37 m/s. calculate the ratio of kinetic energies for each run

2006-12-03 06:05:24 · 3 answers · asked by socom_lover 2 in Physics

2006-12-03 06:05:11 · 17 answers · asked by brandy 1 in Mathematics

if the falling apple did not give him the beginning of the idea of gravity, What did. I keep reading the apple story is myth. When did the apple part of his history begin?

2006-12-03 06:04:25 · 2 answers · asked by swamp elf 5 in Physics

2006-12-03 06:04:23 · 4 answers · asked by Danny 1 in Geography

figure it out

2006-12-03 06:04:14 · 6 answers · asked by Anonymous in Chemistry

how can i change x/-3.4 + y/-13 = 1 which is in the symmetric equation into the general equation Ax + By + C = 0 ?

In Ax + By + C = 0 what does A stand for, what does B stand for, and what does C stand for?

The reason I am asking is because my book doesn't explain it very well and I didn't understand so that is why I am asking in case you are wondering. Sorry if this is a dumb question.

Thank you for your help in advance

2006-12-03 06:02:49 · 6 answers · asked by Jazz 2 in Mathematics

IN particular I"m looking for information on two specific sponges.

In Class Hexactinellida, I chose Pheronema carpenteri

and in Class Calcarea, I chose Pericharax heteroraphis

2006-12-03 06:01:31 · 1 answers · asked by dukeman_5 2 in Zoology

2006-12-03 06:00:39 · 8 answers · asked by Anonymous in Physics

2006-12-03 06:00:09 · 2 answers · asked by Anonymous in Geography

There is a genuine answer for this.

2006-12-03 05:59:01 · 20 answers · asked by Anonymous in Zoology

Hello, I am stumped hope you can help:) Here is my question....A rabbit, homozygous reccssive for long fur (ss) produces a liter of 8 bunnies. Four of the bunnies have short fur and four are long furred. Set up a Punnets square to determine the genotype of the father.

Can't wait to hear from you:) Hopefully sooner than later, thanks in advance, I apprecaite your insight:)

2006-12-03 05:55:19 · 7 answers · asked by Anonymous in Biology

Does stormy on a barometer mean snow or rain or does rain mean rain or snow thank you and also how far in advance can a barometer predict wheather

2006-12-03 05:55:02 · 1 answers · asked by Anonymous in Weather

how exactly does it project the laser

2006-12-03 05:53:49 · 3 answers · asked by Anonymous in Physics

if the side opposite the 30 degree angle is 3 and the side opposite 60 degree angle is x+4 then wat is x?

2006-12-03 05:53:45 · 6 answers · asked by elo_9313 1 in Mathematics

2006-12-03 05:53:14 · 2 answers · asked by Avi W 1 in Other - Science

i have a chemistry project about nuclear medicine. i have to answer these 3 questions:

1. What radiation is emitted when performing Nuclear Medicine?

2. Which isotopes do you use? How do decide which ones to use?

3. What are some major risks when experimenting with nuclear medicine?

Also, if you know, is there any type of Quantitative data i can gather from anything in nuclear medicine?

PLEASE help....if you know ANY of this, plz post an answer.
thanks!!!

2006-12-03 05:52:50 · 3 answers · asked by Anonymous in Chemistry