English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

Science & Mathematics - 25 September 2007

[Selected]: All categories Science & Mathematics

Agriculture · Alternative · Astronomy & Space · Biology · Botany · Chemistry · Earth Sciences & Geology · Engineering · Geography · Mathematics · Medicine · Other - Science · Physics · Weather · Zoology

f(x) =(x-1/x-5)

g(x)= -(5x+1\x-1)

2007-09-25 16:40:04 · 5 answers · asked by Sam Dali 2 in Mathematics

be brown and talk one language

2007-09-25 16:39:36 · 2 answers · asked by Anonymous in Zoology

how is that relates to the glass which inhibit the characteristics of liquid?

2007-09-25 16:37:55 · 8 answers · asked by rionaerith 1 in Engineering

what would be the one thing you would grab?

2007-09-25 16:37:37 · 9 answers · asked by Blujeenz♥ 3 in Earth Sciences & Geology

math

2007-09-25 16:36:30 · 7 answers · asked by stacy h 1 in Mathematics

ok... not a clue!! someone please help... i got... 6x^2+8x-7 , but where do i go from here??

2007-09-25 16:32:48 · 3 answers · asked by Anonymous in Mathematics

2007-09-25 16:27:51 · 1 answers · asked by birmingham927 2 in Mathematics

simpson drives his car with an average velocity of 48.2km/h to the east.
How much time would simpson save by incrasing his average velocity to 68.8km/h to the east? answer in min.
Explain answer...

2007-09-25 16:27:31 · 1 answers · asked by kf4carlo 1 in Mathematics

How bad can it be?

2007-09-25 16:24:34 · 10 answers · asked by Life goes on... 6 in Earth Sciences & Geology

y = ( x^2 + 9 ) / ( 9x^2 - 35x - 4 )

x =______
x =______
y =______

y = ( 2e^x ) / ( e^x - 7 )

x = ____
y = ____

2007-09-25 16:24:26 · 1 answers · asked by ABC911 1 in Mathematics

What is the source of colors in exploding fireworks and during the burning of artificial logs?

2007-09-25 16:24:20 · 7 answers · asked by Anonymous in Chemistry

Let S denote the infinite sum 2 + 5x + 9x^2 + 14x^3 + 20x^4 + ...., where |x| < 1 and the coefficient of x^(n-1) is ½ n (n + 3), (n = 1, 2, ....). Then S equals ?

can anybody tell,how to solve this kind of problem ?

my book has given a procedure to do s-x*s

why shall i do that ? does the problem tells any ideas to go about ?

someone please explain

2007-09-25 16:22:06 · 1 answers · asked by calculus 1 in Mathematics

Use the Distributive Property to write each expression as an equivalent algebraic expression.

-6(t-1)

-12(g+12)

13(p+4)

Simplify each expression.

6y-a+y



By the way, these are just so I can check to see if I'm doing them right!

2007-09-25 16:20:44 · 8 answers · asked by Anonymous in Mathematics

It's been a while, and when we did this I didn't even fully grasp it (I'm more of an english and history person than a math and science one) and it's on a review sheet I need to get done. Among other things. PLEASE HELP ME!!!!

2007-09-25 16:19:34 · 9 answers · asked by Sarah 1 in Mathematics

http://www.target.com/gp/detail.html/sr=1-8/qid=1190776621/ref=sr_1_8/602-4190685-1511065?ie=UTF8&asin=B0007YR660

I have a pair of binoculars that have 8X20 magnification and I want to farther. The magnification for this is 30x. That is more righ? lol I am confused with reading the magnification. I only want to use it for a length of about 3 football fields with detail. Thanks for the reply. If it wont work for that length what telescope do you recommend for that low of price.

2007-09-25 16:19:30 · 8 answers · asked by nick a 1 in Astronomy & Space

Assume that you start with 4 mole of magnesium metal, determine:

1.The number of grams of MgO(s) that would be produced in the following reaction (enter your answer with 4 significant figures):


Mg(s) + 1/2 O2(g) -----> MgO(s)


cont....


2.The number of grams of Mg3N2(s) that would be produced in the following reaction (enter your answer with 4 significant figures):


Mg(s) + 1/3 N2(g) -----> 1/3 Mg3N2(s)

2007-09-25 16:19:09 · 1 answers · asked by Anonymous in Chemistry

2007-09-25 16:18:43 · 3 answers · asked by rionaerith 1 in Engineering

2007-09-25 16:15:36 · 3 answers · asked by Anonymous in Weather

it seems natural that newborn infants should have lower pressure that full grown adults.

2007-09-25 16:15:00 · 2 answers · asked by Anonymous in Physics

I live in tulsa oklahoma (tornado alley) and anywho just wondering about the salery because it's something im considering spending the rest of my life doing.

2007-09-25 16:13:49 · 5 answers · asked by Anonymous in Weather

0

i am in algebra and i have to classify numbers like -5 ,2 ,5/2
64 squared etc. i have to classify them as real,rational,irrational,integer,and whole numbers i dont understand how you know which number is which.

2007-09-25 16:13:19 · 3 answers · asked by Anonymous in Mathematics

I heard that 20% of the worlds fresh water runs through the amazon every day. Is that true?
I also heard that it is so much fresh water that 200 miles out to sea you can still drink the water. is that true?

2007-09-25 16:11:26 · 2 answers · asked by Philip Augustus 3 in Earth Sciences & Geology

2007-09-25 16:08:14 · 7 answers · asked by LumpiaEATER ! 2 in Chemistry

Blood type: O Rh: (+)
Unit Normal Range

Hemoglobin 125 g/L Normal range:120-180
Hemotacrit 38 vol % Nr:36-54
Erythrocytes 4.28 10^12/L Nr:4.6-6.2
MCV 88 fl 80-96
MCH pg 80-96
MCHC 33 % 32-36
Leukocytes 7.4 10^9/L 4.5-11
Neutrophil (p) 45.60 % 40-74
Lymphocytes 42.40 % 19-48
Monocytes 5.90 % 3.4-9
Eosinophils 5.70 % 0-7
Basophils 0.400 % 0-1.5


Prothrombin time: 16.55 secs
INR: 1.46

2007-09-25 16:07:38 · 2 answers · asked by khazycute 1 in Biology

please help it is very urgent

2007-09-25 16:04:18 · 3 answers · asked by Anonymous in Physics

Assume that you start with 4 mole of magnesium metal, determine:

1. The number of grams of MgO(s) that would be produced in the following reaction (enter your answer with 4 significant figures):


Mg(s) + 1/2 O2(g) -----> MgO(s)

2007-09-25 16:00:24 · 2 answers · asked by Anonymous in Chemistry

and 0 degrees longtitude in london, england?

2007-09-25 15:59:25 · 6 answers · asked by lindsay.faith 1 in Geography

solve this equation 40a^2 + 4a = 0 if possible can you show the steps

2007-09-25 15:57:57 · 5 answers · asked by Riddle 1 in Mathematics

fedest.com, questions and answers