Science & Mathematics - 22 September 2006

At this stage in human development, evaluateHow modern industrial societies use the resources of this globe. Is it sustainable? Plz answer in paragraph form.
many thanks~

2006-09-22 14:22:39 · 3 answers · asked by cherryhjt 1 in Geography

Find the equation of the line through points (3, 5) and (8, 15). Write the answer in standard form using only integers.

My Answer:

(15-5)/(8-3)

10/5=2
m=2
y=2x+b
15=2(8)+b
15=16+b
-1=b
y=2x-1

slope = (15-5)/(8-3)=2
y intercept = 0

Teacher comments:
Sorry, but I cannot tell what your answer is. It should be an EQUATION but you have given the slope and then the y intercept in different font colors. This is not what you were asked for. Also, minus 1 for no solution checking of the two given points in your eqation.

2006-09-22 14:15:21 · 3 answers · asked by Anonymous in Mathematics

yeah I need some help with that the teacher didnt help us, yet he wants us to finish this messed up project! well the item I need to find is chlorine! number 17 in the perodic table

2006-09-22 14:15:19 · 9 answers · asked by Anonymous in Other - Science

I'm a biotechnology major, I have to take 3rd year Orgo but I really hate it. Could anyone give me their email and help me with assignment questions that I cant figure out when I get them? You would be my saviour.

2006-09-22 14:13:23 · 6 answers · asked by Hard Rocker 3 in Chemistry

A water main.

Water is cruising through it in a real big hurry.

Is that not creating a vacuum / 'negative pressure' that pulls the inside of the pipe toward the water that is rushing over its surface ?

Potentially odd but related thought:

If such a pipe were 'rifled' would the fluid build and maintain angular momentum ?

If so, would that not be a centrifugal force pushing against the inner walls of the pipe ?

2006-09-22 14:13:09 · 10 answers · asked by roland_reardon 2 in Engineering

If you could also provide a link to a scientific article about it, it would be great.

2006-09-22 14:11:22 · 9 answers · asked by Babak 1 in Chemistry

why is there 3 holes in an electrical outlet?
i mean what is the grounded for?
can i light a bulb using the live and there ground? is that
the same as using the live and the other one(not the ground)?

2006-09-22 14:11:01 · 6 answers · asked by katie_cali_27 1 in Engineering

What is the gravitational pull on the earth?

2006-09-22 14:09:56 · 5 answers · asked by Rachel 2 in Earth Sciences & Geology

Write the equation y = 3x – 5 in standard form using only integers

2006-09-22 14:09:30 · 6 answers · asked by Anonymous in Mathematics

2006-09-22 14:09:29 · 11 answers · asked by bkmale4fun 1 in Astronomy & Space

conserving wetlands for Arizona

2006-09-22 14:09:03 · 2 answers · asked by 30seconds to mars is awesome.... 2 in Earth Sciences & Geology

2006-09-22 14:07:35 · 8 answers · asked by princess_cde_17 1 in Other - Science

2006-09-22 14:07:01 · 13 answers · asked by Anonymous in Astronomy & Space

2006-09-22 13:58:23 · 25 answers · asked by Lauren C. 1 in Astronomy & Space

Find the equation of the line through (1, 4) with slope ¼. Write the answer in slope-intercept form

My Answer:
y=m(x-k)+h

y= ¼ (x-1) + 4

Slope intercept
y= 1/4x –1/4 + 4 = 1/4x + 15/4

teacher comment:Great, except 1/4x means 1 divided by 4x and that is incorrect. Minus 1.
Minus 1 for no solution checks. You must check at least the given point.

2006-09-22 13:58:18 · 7 answers · asked by Anonymous in Mathematics

i would like to know some details please

2006-09-22 13:47:55 · 6 answers · asked by dr_zaidhanan 1 in Biology

2006-09-22 13:47:41 · 9 answers · asked by Anonymous in Medicine

does a light bulb really pop over your head when you get an idea??
cause i cant see mine even in the mirror.

2006-09-22 13:46:43 · 13 answers · asked by hannah.Horrible! 2 in Other - Science

Will everyone have skin that is a light shade of brown and be 10 feet tall?
What will our houses look like?
Will we even drive cars anymore, or just be teleported?
Will we have to move to other planets because we overpopulate so quickly, or will strict birth control laws have to be enforced like in China?

2006-09-22 13:45:00 · 13 answers · asked by Anonymous in Other - Science

what would happen

would it reach the other side

or would gravity pull it back and forth between both ends

2006-09-22 13:44:22 · 10 answers · asked by baldyhugsblues 5 in Physics

What is this answer?
A 24-by-40-inch sheet of paper is to be used for a poster, with the shorter side at the bottom. The margins at the sides and top are to have the same width, and the bottom margin is to be twice as wide as the other margins. Find the width of the margins if the printed area is to be .

2006-09-22 13:43:34 · 3 answers · asked by Kmaldona 2 in Mathematics

do blood cells die? if yes, why doesn't the blood in blood banks die?

2006-09-22 13:40:52 · 4 answers · asked by Anonymous in Biology

2006-09-22 13:40:29 · 12 answers · asked by Strawberry_Lynn 5 in Mathematics

My friend told me that our blood is blue before oxygen hits it. Once oxygen hits it, it turns red. So does that mean if we were in space (no oxygen in outer space) and i cut myself, i would be bleeding blue?

2006-09-22 13:39:53 · 16 answers · asked by lakersforlife 3 in Other - Science

Compound for nitrogen that is simple to know.

2006-09-22 13:38:31 · 7 answers · asked by lyssy7 2 in Chemistry

2006-09-22 13:38:20 · 6 answers · asked by confuzzed.. 2 in Physics

Translate into algebraic symbols (Use n for the variable)

2006-09-22 13:37:24 · 5 answers · asked by britiani j 1 in Mathematics

Can anyone out there help me? Answer this question for me I know it has something to do ratio. Something like 7/52 and 1/364. The answer is 3 cents but I need to show the work.

?) Monika's car travels 7km on 1L of gas. She filled her gas tank with 52 L of gas for $28.60. Approximately, how much does it cost her to drive 1km.

There are no tricks it's just a straight forward answer. I know the first step. First you have to multiply seven by 52. Then use the ratios: 7/52 and 1/364. I think you either add, subtract, multiply or etc the ratios to get the answer.

2006-09-22 13:35:53 · 9 answers · asked by Paradox3883 2 in Mathematics

A=3.14r2

2006-09-22 13:35:00 · 12 answers · asked by britiani j 1 in Mathematics

2006-09-22 13:32:58 · 1 answers · asked by braslinbabe85 2 in Mathematics