Science & Mathematics - 9 February 2007

2007-02-09 20:29:39 · 6 answers · asked by Another۞Human 2 in Weather

2 bases of a trapezium are in ratio 2:5 given height is 40 and area 2800 find length of bases?

2007-02-09 20:28:41 · 3 answers · asked by DUDE 1 in Mathematics

I know space is a vacuum. but imagine being able to broadcast a message over the world so everyone can hear.

2007-02-09 20:26:14 · 7 answers · asked by Anonymous in Physics

Firstly, I don't really know what it is.

What I am really looking to calculate is what my money would be if I invested x dollars per week into a fun with whatever interest rate... what my saved money would be after however many years.

Thanks!

2007-02-09 20:25:29 · 1 answers · asked by Steven 2 in Mathematics

2007-02-09 20:24:27 · 7 answers · asked by Chandra 1 in Physics

2007-02-09 20:23:10 · 3 answers · asked by amit g 1 in Earth Sciences & Geology

When it snows in Scotland it causes some disruption, but we manage to get to work and school. This bit of snow has been headline news for nearly three days!!
Goodness only knows how people cope in really snowy places.

2007-02-09 20:18:49 · 15 answers · asked by mistyblue 4 in Weather

2007-02-09 20:14:36 · 6 answers · asked by Anonymous in Earth Sciences & Geology

2007-02-09 20:11:19 · 1 answers · asked by absentmindednik 3 in Physics

1) A sum of Rs 120 was distributed among a certain number of boys. If there had been 4 boys less, each would have received a rupee more. Find the no. of boys. ( Ans - 24).

2) Find two consecutive natural numbers, the sum of whose reciprocals is 11/30. (Ans - 5 and 6).

3) In parallelogram ABCD, E is the mid point of side AB and CE bisects angle BCD. Prove that -
i) AE = AD
ii) DE bisects angle ADC
iii) Angle DEC is a right angle.

2007-02-09 20:05:01 · 2 answers · asked by Glam Girl 2 in Mathematics

2007-02-09 20:01:52 · 3 answers · asked by x_ampz_x 2 in Biology

my teachers tell me about the big bang theory and still iam not satisfied about it.i like astronomy very much and iam in 9th.

2007-02-09 20:00:54 · 10 answers · asked by Anonymous in Astronomy & Space

Put the function in the form y = a(x - h)2 + k. and then
What is the equation for the line of symmetry for the graph of this function?
Answer:

2007-02-09 20:00:09 · 4 answers · asked by Anonymous in Mathematics

Finf the length of the shortest ladder which will reach from the ground level to a high vertical wall if it must clear an 8ft vertical fence which is 27ft from the wall.

2007-02-09 19:58:35 · 2 answers · asked by gen 2 in Mathematics

2007-02-09 19:58:32 · 5 answers · asked by mandy 1 in Earth Sciences & Geology

what is the chemical (stock system) for A1N

2007-02-09 19:54:27 · 1 answers · asked by ChristFirst00 2 in Chemistry

,fearing that you or others may lose their life at that moment in time???For me it has always been the ocean that presents itself with wave energy,swell momentum,that scares me,and for 27 years,I haved been in this Pacific ocean.Huhhh?...Tom Science 4

2007-02-09 19:52:56 · 11 answers · asked by Anonymous in Weather

your patient is ordered half a mg of DIgoxin. The hospital has 250 micrograms tablets. How many tablets will you give?

2007-02-09 19:52:41 · 1 answers · asked by ChristFirst00 2 in Chemistry

(the perimeter of a rectangle is 2 times length plus 2 times width). She wants to maximize the area of her patio (area of a rectangle is length times width). What should the dimensions of the patio be, and show how the maximum area of the patio is calculated from the algebraic equation. Use the vertex form to find the maximum area.

can u try to show the work?

2007-02-09 19:47:03 · 6 answers · asked by Anonymous in Mathematics

I have a 7.2v 1200 mAH battery charger which I use for my RC car. I intend to use the same charger for my RC plane's rechargeable battery pack with a rating of 7.2v 600mAH. Will this work?

2007-02-09 19:44:37 · 2 answers · asked by paranoid 2 in Physics

how can I avoid opening the summary report by wordpad and make it open by MSWORD or notepad because may pc is hanging when I printsummary report because it goes directly to wordpad
thank you

2007-02-09 19:34:47 · 1 answers · asked by strongair1 1 in Engineering

how do you explain excited state?

2007-02-09 19:32:52 · 1 answers · asked by aly 1 in Chemistry

When using the quadratic formula to solve a quadratic equation ax2 + bx + c = 0, the discriminant is b2 - 4ac. This discriminant can be positive, zero, or negative. (When the discriminant is negative, then we have the square root of a negative number. This is called an imaginary number, sqrt(-1) = i. )

2007-02-09 19:28:08 · 4 answers · asked by Anonymous in Mathematics

2007-02-09 19:22:07 · 9 answers · asked by pro man 1 in Physics

2007-02-09 19:22:00 · 3 answers · asked by haiza 1 in Chemistry

2007-02-09 19:21:09 · 1 answers · asked by formystudies3 1 in Engineering

what is the 3 types of potential energy and what is their formulas?

2007-02-09 19:20:48 · 3 answers · asked by Anonymous in Physics

Will it have a mean of 32 typing errors or still a mean of 4 typing errors?

2007-02-09 19:20:28 · 5 answers · asked by chiwee_tan 1 in Mathematics

2007-02-09 19:17:43 · 4 answers · asked by Anonymous in Zoology

properties,preparation of Ophthalmic ointment,solution,suspensions

2007-02-09 19:11:00 · 2 answers · asked by Anonymous in Medicine