Science & Mathematics - 1 July 2007

Find the sum of :
1 + 3 + 7 + 14 + 27 + 52 + .......(upto n terms)
This is quite a difficult problem but there is a trick of solving it. I don't need any detailed explaination as it will be really tiresome to type the entire solution. Just give me the answer. First person bags 10 points. you don't need to be any genius to solve it as i was able to solve it myself.

2007-07-01 06:43:23 · 3 answers · asked by Bibo 1 in Mathematics

A 32 inch board is cut into three pieces. The second piece is twice as long as the first, and the third piece is five times as long as the second. Find the length of all three pieces in inches.

2007-07-01 06:43:13 · 8 answers · asked by Anonymous in Mathematics

2007-07-01 06:41:29 · 27 answers · asked by Anonymous in Mathematics

Or inside, for that matter!

2007-07-01 06:37:09 · 7 answers · asked by ♥Ashley K. 5 in Weather

2007-07-01 06:28:09 · 3 answers · asked by Abhijit D 1 in Astronomy & Space

i need to integret these in respect to x can you describe in detail as i dont understand it very well.
1)∫(2x^2 - 5x -2)/x dx
2)∫upper limit 5 lower limit 2 4x^5 - 6x dx
3)∫upper limit 4 lower limit 1 3/x^4 dx

2007-07-01 06:17:43 · 6 answers · asked by Anonymous in Mathematics

aint it supposed to be blue.....

2007-07-01 06:12:06 · 16 answers · asked by L3ZBiiAN SW33TZ 2 in Earth Sciences & Geology

many people ask n i would like to know aswell.....

2007-07-01 06:10:02 · 7 answers · asked by L3ZBiiAN SW33TZ 2 in Earth Sciences & Geology

please give me the amount of days and what months that the full moon usually visits.

2007-07-01 06:01:55 · 4 answers · asked by kiki522 1 in Astronomy & Space

For example 1000kv rated lines have been built in Japan but they recently lowered the voltage on to run only 500kv which is half it's capacity. Why have these altra high voltage lines around the world suddenly have been not run on it's full capacity?

2007-07-01 05:53:53 · 2 answers · asked by Anonymous in Engineering

i saw a vehihcle been driven on moons land

2007-07-01 05:53:27 · 9 answers · asked by G.xi 1 in Astronomy & Space

ice is a book seller. he purchase a book at $3 and sold it it at $8. for every 2 book that he sells to a customer, he gives the customer a free copy of the book. he made a total profit of $1235. he gave away a total of 150 books free. question is how many people bought 1 book from him.

2007-07-01 05:42:21 · 6 answers · asked by Anonymous in Mathematics

Without breaking down

2007-07-01 05:39:20 · 4 answers · asked by G.xi 1 in Astronomy & Space

Find the domain: f(x)= 3/x+1

a. (-infinite,-3)
b. (-infinite,-1)U(-1,infinite)
c. (-infinite,-3)U(-3,infinite)
d. (-infinite,-1)

2007-07-01 05:30:24 · 5 answers · asked by how's it going 1 in Mathematics

If I want to work out say a 30% reduction on something costing £8

2007-07-01 05:25:16 · 10 answers · asked by Gilly 2 in Mathematics

If i place a campass in the middle of 2 magnets, the magnets were placed in its West n East, something like:

| S (magnet) N | - (Campass) - | N (magnet) S |

2 identical magnets
same distant from the campass
same magnetic force

Where will the campass needle point?

2007-07-01 05:21:30 · 8 answers · asked by Jordaan 5 in Physics

tHANK YOU

2007-07-01 05:16:14 · 7 answers · asked by JeususismyRock! 1 in Mathematics

[(a-2)/3] - 2a = 5

2007-07-01 05:13:25 · 13 answers · asked by knlwin 1 in Mathematics

2007-07-01 05:13:06 · 21 answers · asked by Patrick B 1 in Astronomy & Space

2007-07-01 05:09:23 · 13 answers · asked by Anonymous in Medicine

a) resists being set in motion
b) exhibits velocity in a specified direction
c) possesses direction and magnitude
d) responds directly to friction forces
e) resists friction and slowing down

2007-07-01 05:08:19 · 4 answers · asked by soundrediscovery 2 in Physics

Solve the following equation for x: 5 – 3(2x – 7) = 8 – 4x

2007-07-01 05:07:19 · 11 answers · asked by Anonymous in Mathematics

a) weightlessness
b) inertia
c) centripetal force
d) centrifugal force
e) net force

2007-07-01 05:06:45 · 12 answers · asked by soundrediscovery 2 in Physics

to find the area of a triangle it is 1/2 base times height.
Would the following be correct?:

A triangle has a base of 17 feet. Express its area as a function of its height.

Answer: A=17/2*h

2007-07-01 05:03:36 · 3 answers · asked by how's it going 1 in Biology

2007-07-01 05:00:51 · 7 answers · asked by Norman T 1 in Physics

2007-07-01 04:58:00 · 4 answers · asked by ? 5 in Astronomy & Space

If the graphs of two linear equations in a system have different slopes, the system _____has exactly one solution.
Is it Always, sometimes or never.
Thanks

2007-07-01 04:56:19 · 4 answers · asked by Anonymous in Mathematics

This article by the onion is hilarious I think. It's totally true which completely proves the point. By the way I am Christian and I do believe in creationism, but using evolution as the means, just like the bible says.
http://www.theonion.com/content/node/39512?utm_source=EMTF_Onion

2007-07-01 04:55:18 · 6 answers · asked by smilam 5 in Other - Science

1. if 9^x+2___=____240___*____ 9^x
then find the value of x

2. if 4^x____-____ 4^x-1_______=_______ 24
then find the value of (2x)^x


(underscores are put to make it clear. even a small help will be appreciated.)

2007-07-01 04:53:48 · 3 answers · asked by Justfochange.cent 3 in Mathematics

I remember when these were popular and I saw some books, but forgot everything.

2007-07-01 04:51:34 · 2 answers · asked by Anonymous in Physics