Science & Mathematics - 18 November 2007

I have to solve this its x - 7 over x - 1 = 11 over x - 1

2007-11-18 13:23:29 · 5 answers · asked by Nicole D 1 in Mathematics

2007-11-18 13:21:42 · 5 answers · asked by Anonymous in Astronomy & Space

2007-11-18 13:21:30 · 5 answers · asked by Anonymous in Mathematics

If it can, how?

2007-11-18 13:20:37 · 7 answers · asked by Anonymous in Weather

horizontal asymptote of(2x^2+x-7)/(x^2-1)?

2007-11-18 13:19:56 · 4 answers · asked by Faith R 1 in Mathematics

2007-11-18 13:18:01 · 11 answers · asked by needliberty 2 in Astronomy & Space

DOES ANYONE KNOW WHAT IN A HOUSE OR IN A GARAGE OR ANYWHERE YOU CAN FIND THESE ELEMENTS?? - MANGANESE, BROMINE, AND BERYLLIUM???? HeLp Me!! PLEASE!!

2007-11-18 13:17:38 · 14 answers · asked by Anonymous in Chemistry

Why do salted pork, strawberry preserves, and sweet pickles not spoil even though they are exposed to bacteria?

This question was asked in relation to a lab on diffusion and osmosis in biology, if that helps.

Thanks.

2007-11-18 13:17:33 · 2 answers · asked by Anonymous in Biology

why are the atomic masses listed on the periodic table decimals values , and not whole numbers ... ?

2007-11-18 13:16:26 · 1 answers · asked by Anonymous in Chemistry

A phosphate buffer (H2PO4-/HPO42-) has a pH of 8.3. Which of the following changes will cause the pH to increase?
dissolving a small amount of Na2HPO4
dissolving a small amount of NaH2PO4
adding a small amount of dilute hydrochloric acid
adding a small amount of dilute phosphoric acid
making the buffer more concentrated by removing some water

2007-11-18 13:16:12 · 1 answers · asked by jennifer 2 in Chemistry

Suppose no one sits down in their correct place. Show that it is possible to totate the table so that at least two people are sitting in the correct place.

This one's driving me nuts! I am pretty sure it has something to do with pairing the possible combinations of people and cards and the pigeon hole principle, but I'm pretty much stuck. Can anyone help me out with this one?

2007-11-18 13:15:40 · 1 answers · asked by hockeychick00014 1 in Mathematics

3/i ??

Write the quotient in the form a+bi?

2007-11-18 13:15:06 · 5 answers · asked by Anonymous in Mathematics

2007-11-18 13:12:46 · 7 answers · asked by :DDDDDDD 2 in Geography

I have an entry level engineering interview coming up
and i have no idea what kinda questions they might ask me. I am getting really worried. I know they will ask me something related to Op Amps. I looked over my notes . I hope I'll be fine.
But when it comes to Volatage division , are they gonna ask me to solve a thevenin or norton diagram ?

what do you think ?

2007-11-18 13:12:31 · 3 answers · asked by Anonymous in Engineering

2007-11-18 13:08:25 · 3 answers · asked by deshmukh s 1 in Engineering

how can i start an MLA format research paper about jupiters moons?..and how many moons does jupiter really have?

2007-11-18 13:07:17 · 2 answers · asked by jaimie a 2 in Astronomy & Space

Imagine you are lost in the wilderness and need a campfire to cook your food. Would it be better to have a convex or concave mirror to start a fire using sunlight? Where would you position the mirror relative to some dry leaves in order that they would catch fire?

2007-11-18 13:07:10 · 1 answers · asked by Anonymous in Physics

I will be performing a mock trial and I have to give an opening statement saying why Galileo’s heliocentric ideas were wrong. FYI… I am representing the church. Any ideas of what I can say?

2007-11-18 13:05:46 · 8 answers · asked by Anonymous in Astronomy & Space

a. (CH3)3CNH2
b. CH3NH2
c. (CH3CH2)3CNH2
d. all of these

2007-11-18 13:04:31 · 2 answers · asked by tessababy992006 1 in Chemistry

float it in a glass bowl full of water. The needle is align itself with the horizontal component of the Earth's magnetic field. Since the north pole of this compass is attracted northward, will the needle float toward the north side of the bowl? Defend your answer.

2007-11-18 13:03:41 · 7 answers · asked by Anonymous in Physics

a. a basic -OH group
b. a tertiary alcohol group
c. an aliphatic ring structure
d. an -OH group attached to an aromatic ring

2007-11-18 13:03:36 · 2 answers · asked by tessababy992006 1 in Chemistry

what are the various types of seizures and the range of anticonvulant drugs that are used most commonly to control the condition.

2007-11-18 13:01:45 · 5 answers · asked by simplicety 1 in Medicine

2007-11-18 13:01:30 · 7 answers · asked by Stephen 2 in Engineering

I have four questions.

At least the first three are about particle physics!

Why is gravity so weak?

Are there extra space-time dimensions?

What is the nature of dark matter?

What is propelling the universe to spread so quickly?

I don't believe a "big bang" explains it. Do you???

2007-11-18 13:00:10 · 2 answers · asked by Anonymous in Physics

idk what to put here

2007-11-18 12:59:59 · 9 answers · asked by dale k 2 in Geography

the total % of drug in the sol. is 0.25% and the patient uses 2gtts bid in each eye(1gtt=0.2ml) the total daily dose per eye is
a. 0.5mg
b. 1.5mg
c. 1.0mg
d. 2.0mg
how u solve this

2007-11-18 12:57:52 · 1 answers · asked by rimple 1 in Medicine

but not always in a magnetic field. Do you agree? Why or why not?

2007-11-18 12:57:25 · 1 answers · asked by nancy c 1 in Physics

A cylinder with a piston is filled with ideal gas. The gas temperature is held at 350 K. The cylinder is heated by an oven through a square metal rod connected between the oven and the cylinder. The rod has sides d = 2 cm and length L = 1.8 m.

a) If the oven is held at 600 K, and the heat current conducted through the metal rod is 28 W, find the thermal conductivity (k) of the metal in the rod ( ans in W/m K )

(b) For a larger cylinder at 350 K, a heat current of 50 W is needed. If we use the same metal rod to conduct heat, find the oven temperature in Kelvin that will maintain the necessary heat current.

2007-11-18 12:56:56 · 1 answers · asked by Ter-ree-sa 2 in Chemistry

A pot with 50 kg of water is on the stove at an initial temperature of 25C. When the burner is turned on, 800KJ are transferred to the water but 100kJ are transferred from the water to the surroundings. What is the change in internal energy of the water?

2007-11-18 12:56:04 · 1 answers · asked by Chris 2 in Physics

..the ring may be hot to your touch. Why?

2007-11-18 12:55:45 · 1 answers · asked by nancy c 1 in Physics