Science & Mathematics - 29 October 2007

2007-10-29 13:06:53 · 2 answers · asked by hiwhatever1 1 in Biology

2007-10-29 13:05:04 · 2 answers · asked by T'Scoops 2 in Mathematics

2007-10-29 13:05:02 · 1 answers · asked by Anonymous in Mathematics

2007-10-29 13:03:43 · 2 answers · asked by Anonymous in Physics

2007-10-29 13:02:32 · 5 answers · asked by Kevin S 1 in Astronomy & Space

in addition to box A ,there is a second box labeled B,which contains 10 blocks that have been numbered 1 through 10.
WHAT IS THE PROBABILITY OF DRAWING 2 RED PING-PONG BALLS OUT OF BOX A,IF AFTER THE FIRST ONE IS DRAWN IT IS PUT BACK BEFORE THE SECOND IS DRAWN?

2007-10-29 13:01:54 · 2 answers · asked by hasty 1 in Mathematics

1) in a class of 75, a professor needs to choose 4 students. how many different ways can he choose the 4 students?


2) you invest $5000 for a period of 35 months at a rate of 2.5%. at that end of the 35 months, how much money do you have?





thanks please!!!

2007-10-29 13:00:16 · 2 answers · asked by Anonymous in Mathematics

its for my homework and im in 7th grade

2007-10-29 12:59:12 · 3 answers · asked by cece 1 in Zoology

in addition to box A ,there is a second box labeled B,which contains 10 blocks that have been numbered 1 through 10.
a.WHAT IS THE PROBABILITY OF DRAWING A RED OR BLUE PING PONG BALL OUT OF BOX A?

2007-10-29 12:56:21 · 5 answers · asked by hasty 1 in Mathematics

y= 2x + 3

1. x-intercept ______
2. y-intercept ______

y= 3x - 4

3. x-intercept ______
4. y-intercept ______

y= -2x + 2

5. x-intercept ______
6. y-intercept ______

y= 2x + 7

7. x-intercept ______
8. y-intercept ______

y= -x + 3

9. x-intercept ______
10. y-intercept ______

2007-10-29 12:55:11 · 4 answers · asked by erikjjjacob 1 in Mathematics

i don't get how to find the molecular formula and the empirical formula? what do you need to find these two?

2007-10-29 12:55:06 · 3 answers · asked by Anonymous in Chemistry

Might sound stupid but got you thinking didnt it?

2007-10-29 12:54:00 · 9 answers · asked by Emm H 2 in Zoology

d=( (Vf+Vi) /2 ) (t)

can someone please rearrange this so i am solving for Vf

2007-10-29 12:53:38 · 4 answers · asked by Anonymous in Mathematics

what is this stuff aggg

2007-10-29 12:52:53 · 2 answers · asked by azncatgirl 2 in Chemistry

what is the purpose of cross breeding same species? (ex. male lion+female tiger=liger)

2007-10-29 12:50:37 · 3 answers · asked by krisden 2 in Biology

1. Write the following geometric expression using the given symbol.

4/3 times TT times the cube of the radius (y)


2. Do you think multiplication is distributive over subtraction?
1/2 (16 10) and 1/2x16-1/2x10

3. 8+2x(36)

2007-10-29 12:48:47 · 1 answers · asked by Akira B 1 in Mathematics

1. (6,0) (0,2)
2. (-2,0)(-1,-3)
3. (1,2)(5,8)
4. (6,6)(3,2)
5. (0,4)(-2,0)
6. (-2,3)(1,5)
7. (-2,7)(2,1)
8. (6,6)(8,3)

2007-10-29 12:48:40 · 3 answers · asked by erikjjjacob 1 in Mathematics

2007-10-29 12:48:13 · 2 answers · asked by ashlee052690 1 in Physics

Find the vaule of (21)^(1/4) using the Binomial Theorem correct to 3 decimal places.


I don't understand what it is asking ?

2007-10-29 12:46:00 · 1 answers · asked by Try L 1 in Mathematics

A student determined the heat of neutralization of perchloric acid mixed with sodium hydroxide solution. 40 milliliters of 1.00 M HClO_4 were added to 40.5 mL of 1.00 M NaOH solution

2007-10-29 12:45:57 · 1 answers · asked by Anonymous in Chemistry

How are electromagnets different from regular magnets

2007-10-29 12:44:22 · 3 answers · asked by Anonymous in Other - Science

A person is making homemade ice cream. She exerts a force of magnitude 20 N on the free end of the crank handle, and this end moves in a circular path of radius 0.32 m. The force is always applied parallel to the motion of the handle. If the handle is turned once every 1.4 s, what is the average power being expended?
W

2007-10-29 12:43:06 · 1 answers · asked by Anonymous in Physics

I never understood where the queen bee/ant came from if all the eggs that are hatched are always males/normal sized bees.

2007-10-29 12:42:47 · 5 answers · asked by Anonymous in Zoology

In an action-adventure movie, the hero lifts the 91-kg villain straight upward through a distance of 1.0 m in 0.52 s at a constant speed. What power does the hero produce while doing this?
W

2007-10-29 12:42:29 · 1 answers · asked by Anonymous in Physics

A basketball player makes a jump shot. The 0.650-kg ball is released at a height of 1.90 m above the floor with a speed of 8.00 m/s. The ball goes through the net 3.10 m above the floor at a speed of 3.90 m/s. What is the work done on the ball by air resistance, a nonconservative force?
J

2007-10-29 12:41:56 · 1 answers · asked by Anonymous in Physics

A 0.60 kg basketball is dropped out of the window that is 6.2 m above the ground. The ball is caught by a person whose hands are 1.8 m above the ground. How much work is done by the ball by its weight?
25.872 J
What is the gravitational potential energy of the basketball, relative to the ground when it is released?
36.456 J
What is the gravitational potential energy of the basketball when it is caught?
J
How is the change (PEf - PE0) in the ball's gravitational potential energy related to the work done by its weight?

2007-10-29 12:41:20 · 1 answers · asked by Anonymous in Physics

5a^2=26a+24

Do you get the answer 6/5 and 4?

2007-10-29 12:40:15 · 5 answers · asked by Wonderer 1 in Mathematics

How do you do a problem that says write an equation of the line that passes through point P and is parallel to the line with the given equation.

P(-3,6), y= -x - 5.

2007-10-29 12:37:53 · 5 answers · asked by Brittany l 2 in Mathematics

Triangle DEF is similar to triangle ABC. AB = 2cm and the area is 5 sq cm...if DE = 6cm, what is the area of DEF?

2007-10-29 12:35:42 · 10 answers · asked by Anonymous in Mathematics

2007-10-29 12:34:49 · 1 answers · asked by S i r i 1 in Medicine