Science & Mathematics - 28 November 2006

How can there be 3 twin sisters. I do not get it! Last year at my other school i remember that i saw 3 and i talked with them constantly every day during lunch including after school.

Here is my question how can there be 3 twin girls born on the same day and be at the same age?

2006-11-28 05:41:40 · 3 answers · asked by Anonymous in Biology

Where do flies live? Do they have a kind of home, such as bees, where they can rest? Or do they just rest anywhere. Further more, why don't flies and bees appear at night?

2006-11-28 05:38:25 · 4 answers · asked by Nightshade.R6 3 in Zoology

and does that affect the calculation of the age of the Universe

2006-11-28 05:38:18 · 4 answers · asked by breastfed43 3 in Astronomy & Space

f(1) = 4989484820458683 = 90
f(2) = 9894848204586834 = 90
f(3) = 8475408807538689 = 90
f(4) = 4494704956584678 = 90
f(5) = ? = 90

It is not just random numbers!

2006-11-28 05:36:42 · 6 answers · asked by slayersirus 1 in Mathematics

2006-11-28 05:34:04 · 13 answers · asked by david s 1 in Weather

the procedures to solve these kind of inequalities are confusing me! I would love to have a helping hand....

Thanks for answering,,, Cheers!!

2006-11-28 05:31:17 · 5 answers · asked by Fahd 2 in Mathematics

What volume (mL) of 0.139 M LiOH contains 25.0 g of LiOH ?

2006-11-28 05:30:54 · 3 answers · asked by nietzsche 1 in Chemistry

http://img59.imageshack.us/img59/6830/pentagonlq9.jpg

Thanx

2006-11-28 05:30:20 · 3 answers · asked by Stacy A 1 in Mathematics

Calculate the number of moles of Na+ ions in 1.60 L of 0.330 M Na2SO4.

2006-11-28 05:30:14 · 3 answers · asked by nietzsche 1 in Chemistry

2006-11-28 05:29:46 · 3 answers · asked by Anonymous in Mathematics

This is part of a assignment for chemistry class I could really use some help!

2006-11-28 05:27:15 · 3 answers · asked by kittycats_legacy 1 in Chemistry

Determine the value of x and y if y= -(-14x-7) -3
and x= -21(20y+5) -13. Come on web people. I really need this answer. Thanks!!

2006-11-28 05:26:08 · 5 answers · asked by trednwatr 2 in Mathematics

Please I need help with this biology question on Hydra.

As you observe the hydra, does it's body shape change? Explain how it is able to do this.

I observed the body change.
But I do not know how the hydra is able to do it.

Thanks

2006-11-28 05:26:06 · 1 answers · asked by gete w 1 in Biology

2006-11-28 05:20:37 · 5 answers · asked by Anonymous in Earth Sciences & Geology

*The letter "T" is a pawer sign.*
Assume there are matrix bars around array of numbers.

A= 1 3
-2 -1

B= 3 -4
2 -2

2006-11-28 05:20:28 · 1 answers · asked by Anonymous in Mathematics

2006-11-28 05:20:01 · 2 answers · asked by chemistryppl 2 in Chemistry

ok, here is the question i am stuck on. : why doesnt a falling raindrop get faster and faster as it falls?

2006-11-28 05:19:42 · 5 answers · asked by Anonymous in Physics

box a contains 8 items of which 3 are defective, and box B contains 5 items of which 2 are defective. An item is drawn at random from each box. 1) what is the probability that both items are non-defective? 2) What is the probability that one item is defective and one not? 3) If one item is defective and one is not, what is the probability that the defective item came from box A?

2006-11-28 05:16:12 · 2 answers · asked by angelina 1 in Mathematics

2006-11-28 05:14:41 · 3 answers · asked by honeygirl0115 1 in Medicine

It doesnt dissolve in water...I need some examples. Thanks!!

2006-11-28 05:13:12 · 5 answers · asked by Anonymous in Chemistry

2006-11-28 05:09:43 · 3 answers · asked by xhardcore_boyx 1 in Mathematics

2006-11-28 05:08:51 · 13 answers · asked by Chase 1 in Zoology

i really need to know for Ap biology. i am so stuck on this question. thanks for ur help!

2006-11-28 05:08:34 · 0 answers · asked by ERICA J 3 in Biology

im not complaining about the dresses. Im just reminded how cold it is when i see you in the streets brrrrrr

2006-11-28 05:03:37 · 11 answers · asked by DocPapas 2 in Biology

Dont know wether to Bee or a Wasp ?

2006-11-28 05:02:13 · 4 answers · asked by Anonymous in Zoology

1. How many grams of sucrose, C12H22O11, must you use to make 150.00 mL of a 1.00 molar solution in Water?
2. What is the osmolarity of a 1.00 M solution of sucrose?
3. You have been given a 0.9% (m/v) NaCl solution. Answer the following:
a. What is the molarity of the above solution?
b. What is the osmolarity of the above solution?
c. Wht is the osmotic pressure of the NaCl solution in mmHg?
4. Given a 0.703 M NaCl solution that has a density of 1.0268 g/mL, calculate the following?
a. The % NaCl (m/m).
b. The molar concentration of NaCl.
5. Given the cryosopic constant of camphor is 37.8 degrees C/m. The symbole m is the molar concentration.
a. 0.1000 g of sulfur was dissolved in 10.000g of camphor. The freezing point of this solution dropped from 178.8 to 177.3 C. What is the molecular weight of sulfur?
b. Based on the answer above, how many sulfur atoms are in a sulfur molecule.

2006-11-28 05:00:52 · 3 answers · asked by S Denise J 2 in Chemistry

(a) 2x^2-100


(b) 3x^2-8x+5

show working please

2006-11-28 04:58:41 · 9 answers · asked by kim b 1 in Mathematics

2006-11-28 04:58:34 · 7 answers · asked by Karen S 1 in Engineering

A rotating rod that is 15.3 cm long is spun with its axis through one end of the rod so that the other end of the rod has a speed of 2000 m/s (4,500 mph).

a. What is the centripetal acceleration of the other end of the rod?

b. If you were to attach a 1.0-g object to the end of the rod, what force would be needed to hold it on the rod?

Please help me with this problem.
I'm having a hard time understanding it.

2006-11-28 04:57:31 · 3 answers · asked by swimmertommy 1 in Physics

solve

x^ 2+y^2=10
x-2y=1

show working please

2006-11-28 04:56:48 · 4 answers · asked by kim b 1 in Mathematics