Science & Mathematics - 6 October 2007

Does it refer to chemical composition or is it an arbitrary letter-number combination? Or is it something else entirely? Thanks for any insight.

2007-10-06 14:15:33 · 6 answers · asked by Anonymous in Chemistry

Suppose you were stranded somewhere and you only had an endless supply of Hostess Apple Pies to eat. Assume you had plenty of clean water to drink, and Hostess Apple Pies have a shelf life of 100 year (even though they don't). How long could you live off of only Hostess Apple Pies, and if you would at some point die from this restricted diet, what would it be from?

2007-10-06 14:15:28 · 7 answers · asked by Phineas Bogg 6 in Biology

I am stuck on another problem as I am studying.

I would appreciate the help. I dont ike the birthday problem. I know its out of 365 days...and I get some of it...to a point.

IV. If a person is selected at random, find the probability that his or her birthday is
a) October 8
b) in October
c) on a Wednesday
d) on a day of the week starts with T.

2007-10-06 14:11:44 · 6 answers · asked by preteargraphic 1 in Mathematics

so, why are they calling themselves as "THE" United states of america...

depsite having such a long name, and I dont even know the reason for that (maybe just copying the idea off the UK?), I dont understand why they should use 'the' in their country's name.

2007-10-06 14:06:59 · 6 answers · asked by Anonymous in Geography

a.) heating b.) electroplating c.) lighting d.) transforming voltage

2007-10-06 14:05:40 · 2 answers · asked by -bEtTy- B 1 in Physics

2007-10-06 14:04:50 · 11 answers · asked by flannelpajamas1 4 in Geography

Thanks to everyone who can help me. Please, if you can, provide me with a step by step explanation.

1. Which of the following is true for all consecutive intergers m and n such that m is less than n?
a. m is odd
b. n is odd
c. n-m is odd
d. n squared - m squared is odd
e. m squared + n squared is even

2. Two numbers are reciprocals if their product is equal to 1. If x and y are reciprocals and x is greater than 1, then y must be:

2007-10-06 14:04:37 · 3 answers · asked by Anonymous in Mathematics

Are there infinitely many primes of the form n^2+1?

2007-10-06 14:02:35 · 6 answers · asked by swimgirl273 2 in Mathematics

2007-10-06 13:59:15 · 3 answers · asked by her 2 in Mathematics

Prove that the product of all primes less than or equal to n is at most 4^n.

This is tough so I will suggest the following strategy: use induction and consider the case where n is even and n is odd separately. One case is very easy, the other is quite tricky and may require strong induction.

2007-10-06 13:59:14 · 6 answers · asked by Phineas Bogg 6 in Mathematics

is it a.) circuit b.) charge c.) voltage d.) resistor

2007-10-06 13:58:00 · 4 answers · asked by -bEtTy- B 1 in Physics

What about at its weakest? If so, when?

2007-10-06 13:57:20 · 4 answers · asked by Doc Biz 4 in Physics

Give a bijection between the positive integers and the set of finite multisets of the positive integers. What does positive integer does {1,1,2,3} map to in your bijection?

A multiset is a like a set but can contain multiple copies of each element.

2007-10-06 13:55:57 · 1 answers · asked by Phineas Bogg 6 in Mathematics

2007-10-06 13:55:47 · 1 answers · asked by gwaynehaney 1 in Earth Sciences & Geology

You're driving down the highway late one night at 20 m/s when a deer steps onto the road 35m in front of you. Your reaction time before stepping on the brakes is 0.5s and the maximum deceleration of your car is 10m/s^2.

How much distance is between you and the deer when you come to a stop?

2007-10-06 13:50:51 · 5 answers · asked by Anonymous in Physics

2007-10-06 13:50:09 · 4 answers · asked by Anonymous in Mathematics

If (x-1)^-1=2+(2+(2+....)^-1)^-1
Why does 2+(2+(2+....)^-1)^-1 equate to 1+x ??

e.g. (x-1)^-1=1+x

How is this done?

2007-10-06 13:47:52 · 2 answers · asked by Anonymous in Mathematics

I want to do the problem myself, I just cant figure it out.
Some mol of an inorganic salt are dissolved in 1.00 L of water in a constant pressure solution calorimeter, the temperature of the calorimeter decreases. The total heat capacity of the calorimeter is also given
How do you figure out the molar enthalpy of solution for this salt?

2007-10-06 13:45:15 · 1 answers · asked by Anonymous in Chemistry

2007-10-06 13:43:49 · 11 answers · asked by laura0129 2 in Parapsychology

2007-10-06 13:42:25 · 5 answers · asked by Elizabeth 1 in Earth Sciences & Geology

2007-10-06 13:40:40 · 11 answers · asked by shaun s 2 in Astronomy & Space

this semester i have algebra 1a,
next semester i have algebra 1b. do i need to pass algebra 1a to go to algebra 1b? because passing algebra 1a doesn't seem possible right now.

2007-10-06 13:29:25 · 7 answers · asked by Anonymous in Mathematics

how do I find the domian, range and zeros of this function: f(x)= Sq. root of x^2 - 16??

Thanks for the help!

2007-10-06 13:28:07 · 3 answers · asked by Mia16 3 in Mathematics

2007-10-06 13:27:06 · 7 answers · asked by panteracfh97 1 in Earth Sciences & Geology

I'm working on some ACT problems and could use a little help. The problem is kind of long.If you could explain the answers to me that would be so great. Thank you so much.

1. In teaching a lesson on the concept of thirds, Mr. Chu uses a divide and set aside procedure. He starts with a certain number of colored disks, divides them into 3 equal groups and sets 1 group aside to illustrate 1/3. He repeats the process by taking the disks NOT set aside, dividing them into 3 equal groups, and setting one of these groups aside. If Mr. Chu wants to be able to complete the divide and set procedure at least four times (without breaking any of the disks into pieces) which of the following is the minimum number of colored disks she can start with.

2007-10-06 13:22:06 · 1 answers · asked by Anonymous in Mathematics

x = 2, y = -3
2x^2 + 3xy

and

x/3 + 1 = x-4

and

2x + 3 = 3x + ____ x=-8
what number goes in the blank?

please explain how u got the answer. thanks. please!! 10points!

2007-10-06 13:21:09 · 3 answers · asked by Anonymous in Mathematics

umm im doing a project to make a model atom and how many electrons & protnos does carbon have plz?

2007-10-06 13:19:36 · 5 answers · asked by Anonymous in Chemistry

1) Doesn't natural selection change the coding of DNA like mutation?
2) Where does mutation differ from the effects of natural selection?
3) Are mentally derangement and disablement etc. -from birth or not - forms of mutation?

Please number your answers.
Thank you very much.

2007-10-06 13:10:32 · 5 answers · asked by survey taker 2 in Biology

16x^2y / 48xy^3

5xy-3y / 9-15x

x^2 + 5x + 6 / x^2 + 8x + 15

3x^2 - 12x / 6x^3 - 24x^2 + 24x

Thanks you so much for anyone who takes the time to help. I am having a hard time learning this stuff on my own. Thanks again.

2007-10-06 13:04:10 · 5 answers · asked by ♥ ღAngelicaღ♥ 2 in Mathematics

Does temperature affect the viscosity of oil?
Why is it thinner when it's hot.. and vice versa.
Explain what happens to the particles etc.
THANKS!!

2007-10-06 12:59:16 · 6 answers · asked by Anonymous in Other - Science