Science & Mathematics - 2 December 2006

for the world to freeze, like in that movie the day after tomorrow???

2006-12-02 09:49:45 · 9 answers · asked by caseyrae 2 in Weather

I have been given this equation can anyone manage to correctly transpose it for t and show me the working out and answer in plain english step by step?

Thanks x

2006-12-02 09:49:41 · 6 answers · asked by Perfect-Angel84 2 in Mathematics

2006-12-02 09:48:49 · 4 answers · asked by ndavos 2 in Mathematics

http://answers.yahoo.com/question/index;_ylt=AtE7.moBHVN9wELhPZYQclojzKIX?qid=20060622183125AAYBkC2

Is this why there are more females on earth?Since males need some more effort to form?Why is it that males ar looked at as the most significant life forms in the past and even now if this is true?

2006-12-02 09:48:38 · 8 answers · asked by Anonymous in Biology

I have a bunch of questions to solve and am badly stuck at these three questions. I tried to solve them but don't seem to be going right. Besides I don't have the answers. Help is greatly appreciated.

Q1. An Earthquake measures 6.5; Aftershock measures 4.5. How many times bigger was the earthquake than the aftershock?

Q2. If a substance decays at a continuous rate of 7% per day and you need at least 120g of the substance in a week's time, how much must you have today?

Q3. 8^(3x-21) = 11^(2x+7)

2006-12-02 09:48:21 · 5 answers · asked by Pranav B 2 in Mathematics

2006-12-02 09:41:30 · 15 answers · asked by Anonymous in Astronomy & Space

2006-12-02 09:40:22 · 5 answers · asked by ottje@sbcglobal.net 1 in Engineering

A pair of white swans just appeared on our lake in northeastern Pennslyvania. From where does this species originally hail? Something tells me they are not indigenous to America.Thank you in advance for your answers.

2006-12-02 09:39:45 · 4 answers · asked by Anonymous in Zoology

the pulling force man can do on a vertical rope and there is one pulley

2006-12-02 09:37:55 · 2 answers · asked by ahmed bekhit 1 in Engineering

2006-12-02 09:35:23 · 11 answers · asked by frankjen501 1 in Geography

Perform the given dilation:
Reduce the following figure to 45%
A (2, 0)
B (2, 6)
C (7,0)

Enlarge the following figure to 150%
A (-2, 2)
B (0, 4)
C (2,2)

2006-12-02 09:35:00 · 2 answers · asked by Merci Beaucoup 2 in Mathematics

2006-12-02 09:34:35 · 3 answers · asked by petewisconsin 1 in Mathematics

Simplify.
1. 8(-3)
_______ that's a fraction
2

2.(-5)(-2)(-2)-(-6)(-3)

3. 2/3(1/2)-(-3/2) (-2/3)

4. 70x-30y
_________
-5

5.7
____
-2/5

6.3/4(8x+12y)- 5/7(21x-35y)

7. translate r=(a-b)to the third power into a verbal sentence.

8.Define a variable and write an equation for the following problem. Do not solve.
Each week for several weeks, Save-a-buck store reduced the price of a sofa by$18.25. The original price was $ 380.25. The final reduced price was $252.50. Ror how many weeks was the sofa on sale?

2006-12-02 09:34:17 · 8 answers · asked by rbd fan 1 in Mathematics

I have recently looked into black holes but I haven't seen anything in regards to why a black hole doesn't increase in size and pull. If the gravitational field of that object is overcome and causes it to collapse as well as pull other objects into it wouldn't the mass and volume of this object increase? In turn, wouldn't the density potentially increase? If all of these were to increase wouldn't it continuously get bigger? It seems this isn't the case as the topic isn't discussed where I have looked so far. Could anyone help explain why this is the case? Thank you in advance.

2006-12-02 09:32:23 · 8 answers · asked by Anonymous in Astronomy & Space

a bullet is fired horizontally @ a speed of 200m/s at a target that is 100m away. help me to calculate:
-how far the bullet has fallen when it hits the target
-the angle that it then makes with the horizontal.

step up step methods plz. thx
i am only intersted in answers that uses suvat equations. acceleration shud be taken as 9.8ms^2

2006-12-02 09:32:13 · 1 answers · asked by BJ 1 in Physics

I know that Pangea was the original first continent, but when did the incident that caused it to take place?

2006-12-02 09:28:33 · 6 answers · asked by Anonymous in Geography

A recent study indicated that 35% of all dog owners have a retriever of some sort. If 300 dog owners are surveyed, what is the probability that at most 95 have a retriever of some sort? I need the steps to get to the answer. thank you!

2006-12-02 09:24:12 · 1 answers · asked by christinag1310 2 in Mathematics

why is ther soo many people fighting

2006-12-02 09:23:49 · 3 answers · asked by ivan_c 2 in Geography

If you can connect three 9V batteries in series to obtain a 27V DC source, can you do the same thing with AC input to DC output power supplies? What are the potential problems with the power supplies themselves (ie: can you ruin them doing this)?

Can you stack unlike DC outputs? Will a 12VDC supply connected in series with a 4.8VDC supply give you a 16.8VDC supply? Are there potential problems with the supplies themselves if each has different power outputs, say 12VDC @ 500 mA with a 4.8VDC @350 mA?

2006-12-02 09:23:36 · 4 answers · asked by Anonymous in Physics

2006-12-02 09:19:27 · 8 answers · asked by Anonymous in Mathematics

What is it and why does it form- IS it the same mercury in thermometers? If so why?

2006-12-02 09:18:47 · 2 answers · asked by qtmckinnon 2 in Earth Sciences & Geology

Simplify.
1. 8(-3)
_______ that's a fraction
2

2.(-5)(-2)(-2)-(-6)(-3)

3. 2/3(1/2)-(-3/2) (-2/3)

4. 70x-30y
_________
-5

5.7
____
-2/5

6.3/4(8x+12y)- 5/7(21x-35y)

7. translate r=(a-b)to the third power into a verbal sentence.

8.Define a variable and write an equation for the following problem. Do not solve.
Each week for several weeks, Save-a-buck store reduced the price of a sofa by$18.25. The original price was $ 380.25. The final reduced price was $252.50. Ror how many weeks was the sofa on sale?

2006-12-02 09:16:22 · 3 answers · asked by rbd fan 1 in Mathematics

2006-12-02 09:15:14 · 9 answers · asked by palee96 1 in Astronomy & Space

2006-12-02 09:12:08 · 10 answers · asked by aurelio.espinosa@sbcglobal.net 1 in Chemistry

What number should not occur in the interval .323 to 0.741 if there is a significant linear relationship(high explained variation)between X and Y?

2006-12-02 09:08:18 · 1 answers · asked by mrkittypong 5 in Mathematics

huh?

h=1/2x????????? i'm confused from ther on:s

2006-12-02 09:06:32 · 6 answers · asked by Anonymous in Mathematics

2006-12-02 09:05:57 · 12 answers · asked by Anonymous in Medicine

Find the derivatives of the function

Integral from tan x to x^2 of dt/sqrt(4+t^4).

I understand this is a fundamental theorem of calculus problem, and I read another question that had a similar question posed, but the answer was too difficult for me to understand.

Thanks in advance.

2006-12-02 09:04:18 · 3 answers · asked by Y2Kev 1 in Mathematics

4x=2y+9
4x=2y-4

2006-12-02 09:03:58 · 2 answers · asked by mathdodo 1 in Mathematics

Can you help me with this problem? I don't want the answer, just get me started. Thanks!

2006-12-02 09:03:52 · 2 answers · asked by AlaskaGirl 4 in Mathematics