Science & Mathematics - 30 August 2007

2007-08-30 18:02:57 · 7 answers · asked by bratt b 2 in Medicine

fundamental question.

2007-08-30 18:01:54 · 9 answers · asked by Anonymous in Mathematics

4x^2 = -2x - 5

that's
four x squared equals negative 2 x minus five

2007-08-30 17:58:03 · 8 answers · asked by pavan_says_ello 2 in Mathematics

i live there, i was stuck in it dirving to work

2007-08-30 17:57:28 · 2 answers · asked by Anonymous in Weather

Express 2sin t + [2*3^ (0.5)] cos t in the form R sin (t + alpha), where 0< alpha< 1/2 of pi

^ means to the power of .

is my answer correct?

(root of 16) sin (t+ 0.25 of pi)


next question is; wat is the least value of 1 / [ 10+2sint+(2*3^0.5) cos t ]

as t varies?

Thanks a lot in advance

2007-08-30 17:56:16 · 1 answers · asked by Mystic healer 4 in Mathematics

and $.50 for each additional hours. Write an expression representing the charges for h hours of use in 1 month when h is more than 20 hours. What is the charge for the 35 hours?

2007-08-30 17:55:29 · 3 answers · asked by biomes 1 in Mathematics

is trig/pre-cal more difficult thn statistics. or is statistics easier. and why? winner gets best answer

2007-08-30 17:54:55 · 8 answers · asked by Sports Fan 510 1 in Mathematics

the instructions are to find the differece quotient and simplify the answer.

here is the problem: f(x)=x^3, f(x+c)-f(x)÷c, c does not equal zero.

2007-08-30 17:51:16 · 2 answers · asked by lgttsc14 2 in Mathematics

Solve for x.

1. x^2 - 7x+ 12= 0 (i don't know if i'm supposed to use the quadratic formula?)


2. 12/x-40 = 2/3

2007-08-30 17:49:33 · 9 answers · asked by iltwym_7591 2 in Mathematics

2007-08-30 17:49:20 · 1 answers · asked by Anonymous in Earth Sciences & Geology

2007-08-30 17:49:02 · 8 answers · asked by b_senthilbe 2 in Zoology

this is my last post on how to use this and i will give up which would be a shame wasting 180 bucks....... ok so this is whats up

I look into the sky nice theres this big bright star at night... oh wait I know what this is its jupiter! nice so i get my telescope and use my low powered eye piece but as i zoom in its a blur, nothing just a dot of white getting bigger and blurrer.... what is it ? and when i focus into stars its a boring white blur in my view... what do stars look like in a 4.5" telescope? and how come i cant focus into jupiter?

2007-08-30 17:46:29 · 14 answers · asked by Anonymous in Astronomy & Space

Were those lights really UFOs?

2007-08-30 17:46:03 · 7 answers · asked by Anonymous in Astronomy & Space

2007-08-30 17:43:19 · 9 answers · asked by beachblondie 1 in Mathematics

Solve by using the quadratic formula. (do not factor)
x^2+4X-45=0

2007-08-30 17:35:23 · 4 answers · asked by Anonymous in Mathematics

2007-08-30 17:28:20 · 3 answers · asked by Henry L 1 in Weather

What is the NAME of the monomer of protien?


thanks!

2007-08-30 17:27:30 · 7 answers · asked by bubblicious fun 1 in Biology

at sea level, water being pure

2007-08-30 17:24:02 · 11 answers · asked by Mr. Quimby 2 in Chemistry

i've been working on this problem for the longest time and getting frustrated that i cant figure it out yet. will some kind person please help me?? thanks soo much!!

solve for V

when LV=P(1-(LV/2))

2007-08-30 17:21:40 · 4 answers · asked by suju 2 in Mathematics

Having trouble with a couple problems:

A student scores 93,89,72,80 and 96 on the first 5 tests. What did she score on test 6 if her average is 83?

Better buy Appliances marks up its wholesale prices by 30% to determine retail prices. If a dishwasher retails for $599, what was the whole sale price of this item?

Find 5 consecutive integers such that their sum is 140.

Thanks

2007-08-30 17:21:23 · 4 answers · asked by Anonymous in Mathematics

Has anyone else noticed that there are no ladybugs this year? I live in Ohio and normally,there are tons of them,but I've only seen one this year and it was dead.Has anyone else noticed an absence or decline in the ladybug population in your area?

2007-08-30 17:21:20 · 4 answers · asked by Dances With Woofs! 7 in Zoology

my friend was arrested for something while drunk, and at the police station they gave her some drink that they said would make her sober

in addition, i believe the same medicine was administered to me when i was in the hospital for an overdose...anyone have any idea what this could be?

2007-08-30 17:20:49 · 6 answers · asked by Daria 2 in Medicine

Please show me how u solve this by using substitution
thanks.

2y = 3x - 2
4 = 2y - x

2007-08-30 17:19:28 · 6 answers · asked by vennysweetgirl21 3 in Mathematics

2007-08-30 17:19:25 · 7 answers · asked by teng 1 in Chemistry

Hey would you consider bio dieseal a good alternative energy source?

What are its benefits and put-backs?

2007-08-30 17:14:45 · 3 answers · asked by Anonymous in Biology

Find the counterclockwise angle the vector difference Vector B- Vector A makes with the +x axis
VectorB-VectorA=6.83cm
Problem 1.45
Vector A has components Ax = 1.29 , Ay = 2.43 ; vector B has components Bx = 4.17 , By = -3.76 .

2007-08-30 17:13:33 · 2 answers · asked by osu9295 1 in Physics

2007-08-30 17:13:30 · 1 answers · asked by Anonymous in Astronomy & Space

besides removable

2007-08-30 17:12:03 · 4 answers · asked by ? 3 in Mathematics

3y^2 + 36 = 24
solve for y

2007-08-30 17:11:49 · 5 answers · asked by henry c 1 in Mathematics

Tallahassee was established as the capitol of Florida because it was between Pensacola and St. Augustine. The distance from Pensacola to Tallahassee is 190 miles. The distance from Tallahassee to St. Augustine can be represented as (5x + 5) miles. The distance from Pensacola to St. Augustine can be represented as (9x + 35) miles. Is Tallahassee the midpoint of Pensacola and St. Augustine? Show your work to support your conclusion.

2007-08-30 17:03:53 · 4 answers · asked by xlhollisterboi 1 in Mathematics