Science & Mathematics - 3 December 2006

2006-12-03 13:40:22 · 7 answers · asked by Red 1 in Mathematics

ok well if you were watching a few nights ago this guy was on dateline a think and he was talking about how he found all these techineques to do math eqations faster and easier. Does anyone know how do to any of those techniques? thank you so0o0o0o0o muchhh!

2006-12-03 13:39:14 · 2 answers · asked by jayden_327 2 in Mathematics

full steps too please...
I know how to change the negative exponents, but don't know how to multiply all three together

2006-12-03 13:38:59 · 2 answers · asked by makelovenothate 2 in Mathematics

A block mass 2.50 KG is pushed 2.2 M along a frictionless horizontal table by a constant 16 N force directed 25degrees below the horizontal. Determine the work done by (a) the applied force, (b) the normal force exerted by the table (c) the force of gravity, and (d) the net force on the block.

= HOW TO FIND THEM ALL? ESPECIALLY A.

2006-12-03 13:37:47 · 6 answers · asked by Anonymous in Physics

Ok, i have to find the angular velocity of the earth in days, then the linear velocity from the sun which is 93,000,000 miles. So i have 2 pi/ 1 day, and my teacher said its wrong. What else could it be?

2006-12-03 13:37:10 · 1 answers · asked by xo winter-angel xo 3 in Mathematics

an arithmetricsequence has a^3=13 AND A COMMON DIFFERENT d=4 . FIND THE FORMULA FOR THE N^th term.

2006-12-03 13:36:17 · 4 answers · asked by Anonymous in Mathematics

7: If the valence of element X is +2 and the valence of element Y is -3, the formula of the product when combined is
a] XY
b] X2Y3
c] X3Y2
d] X6Y6

18: The only common radical which has a positive valence is
a] SO4
b] NO3
c] NH4
d] CrO4


19: In the compound KClO3 the total negative valence is
a] -2
b] -4
c] -3
d] -6


thankyou so so much!

2006-12-03 13:35:18 · 1 answers · asked by secret_annexe_89 1 in Chemistry

Looking at the following Web site...

http://www.heavens-above.com/solar-escape.asp?lat=29.763&lng=-95.363&alt=15&loc=Houston&TZ=CST

...I see that Voyager II was launched BEFORE Voyager I. I'm assuming those rocket scientists know how to count, so what's the story behind that?

2006-12-03 13:34:47 · 8 answers · asked by Anonymous in Astronomy & Space

2006-12-03 13:34:35 · 7 answers · asked by Anonymous in Physics

December 3, 2006

2006-12-03 13:32:44 · 2 answers · asked by sta4wv 1 in Astronomy & Space

I did hear of the cat and dog the had a litter. I think it was in Peru or one of the amazons.. this was maybe two and a half months ago on Discovery News

2006-12-03 13:32:16 · 7 answers · asked by annie h 1 in Zoology

2006-12-03 13:31:57 · 4 answers · asked by Melissa P 1 in Astronomy & Space

Use the half-angle formulas to find the exact value of each trigonometric fuction
sec (15pi/8)

2006-12-03 13:31:52 · 3 answers · asked by Lulu 2 in Mathematics

Can you please check over thiss for me...Thank youuu...

Note: Elodea is a fresh water plant.
a) Elodea cells normally contain 1% salt and 99% water.
b) Tap water contains 1% salt and 99% water.
c) Salt water contains 6% salt and 94% water.
d) Salt water has a higher concentration of salt than fresh water or Elodea cells.

Answer the following questions using the information above about the cell in tap water:

1) What is the percentage of water outside the cell?- 99
2) What is the percentage of water inside the cell? -99
3) How do the percentages compare? - they are equal
4) WOuld the cell shape change once it was placed in the tap water? -no because the level inside the cell is equal to the level outside the cell

Please correct me if I am wrong...Thank youu!

2006-12-03 13:31:38 · 4 answers · asked by Lina 4 in Biology

2006-12-03 13:31:17 · 12 answers · asked by Saif 1 in Engineering

a math question

2006-12-03 13:30:55 · 12 answers · asked by SONJA M 1 in Mathematics

just how many are believed to be on the planet?

2006-12-03 13:30:39 · 5 answers · asked by Richard C 3 in Astronomy & Space

2006-12-03 13:29:10 · 2 answers · asked by Aditya N 2 in Chemistry

We know that SF4 is see-saw shape . But what is its exact bond angle ?

2006-12-03 13:28:41 · 1 answers · asked by random people 2 in Chemistry

A 14,700 Newton car is traveling at 25 m/s. The brakes are applied suddenly, and the car slides to a stop. The average breaking force between the tires and road is 7100 Newtons. How far will the car slide once the brakes are applied?

2006-12-03 13:28:09 · 3 answers · asked by josh h 3 in Physics

A box contains 2 green marbles and 4 white marbles.

A. Two marbles are drawn , but the first is not replaced before drawing the second. What is the probability that both are green?

B. Two marbles are drawn without replacement. What is the probability that they are the same color?

C. Two marbles are drawn without replacement. What is the probability that they are not the same color?

2006-12-03 13:28:06 · 6 answers · asked by H-dez 1 in Mathematics

I need major help with this I am really confused!

Solve the equation by extraction of roots.
3/4(x -6)^2 =18

3 is over 4, and ^ = 2nd power

2006-12-03 13:26:57 · 3 answers · asked by Anonymous in Mathematics

2006-12-03 13:24:56 · 9 answers · asked by artsy_bee 1 in Geography

I know you might have been asked this before, but I would like you to please state your animal, why you like it, and then in the sources area, please provide one or more sites about that animal. Sorry, if this is too much, but you dont have to do it!
ie. Puma, because I like the body shape, the freedom of it, and its quickness.
http://www.bigcatrescue.org/cougar.htm
http://wildwnc.org/af/cougar.html
http://en.wikipedia.org/wiki/Cougar

2006-12-03 13:24:31 · 7 answers · asked by cougar1331puma 2 in Zoology

2006-12-03 13:23:46 · 2 answers · asked by emma s 1 in Chemistry

1.) ln cubert3(sqrt 3r^2s))

2006-12-03 13:23:44 · 1 answers · asked by Anonymous in Mathematics

I understand how to do this the hard way. Figure out all the possible outcomes, and divide by 480. But is there a shortcut to come up with all of the possible outcomes?

This is a homework question for my 6th grade child, and there must be a simple solution that escapes my mind.

2006-12-03 13:23:05 · 2 answers · asked by Drappier 1 in Mathematics

Please be more creative than "the atomic bomb", because that's the obvious answer, and you'll be lame and unoriginal if you say that

2006-12-03 13:22:24 · 9 answers · asked by Forest Fest 2 in Physics

Jim drove 196 miles in 4 hours. If he can keep the same pace, how long will it take him to drive 1078 miles?

2006-12-03 13:21:07 · 5 answers · asked by t h 1 in Mathematics

There is a real bug, and it does smell...does anyone have anymore info about it..Thanks

2006-12-03 13:19:47 · 8 answers · asked by JoJoCieCie 5 in Zoology