Mathematics - 7 August 2007

2007-08-07 02:55:29 · 11 answers · asked by Van.essa 2

i am desperately waiting here for the answer. will be very grateful if you work out the problem and say me the answer with steps. it is based on coordinate geometry. i am having all the hopes on yahoo answers community. please post ur reply if u know to solve it.

2007-08-07 02:50:08 · 7 answers · asked by krithika R 1

2007-08-07 02:48:25 · 10 answers · asked by Anonymous

1. n(x-y) + (n-1)(y-x)

2. 4a2c2 - (a2-b2+c2)2

* all 2's are exponents

2007-08-07 02:33:53 · 5 answers · asked by geanny 1

find ze surface area of a rectangular prism:

given:
length= 6cm
width=4cm
height=8cm

thank you so much for ze help.

2007-08-07 02:33:01 · 3 answers · asked by Anonymous

2007-08-07 02:30:15 · 7 answers · asked by agbo 1

please integrate the following question
1. x square root of x^2 + 9 dx limit 0-4
2. cos^6 x sin^10 xdx limit o-pi/2
3. (2x^2 +4)dx / x^2 +1 limit 6-10

2007-08-07 02:26:21 · 1 answers · asked by Mark Joseph G 1

2007-08-07 02:12:10 · 8 answers · asked by ray 1

2007-08-07 01:39:09 · 2 answers · asked by Whatever 1

It takes a pipe 12 hours to fill a tank when the faucet at the base of the tank is open. If the faucet is opened 2 hours after the pipe had started running, 3/4 of the tank is filled after an hour. How long will it take the faucet to empty a half-filled tank if the pipe is not running?

2007-08-07 01:15:43 · 5 answers · asked by Anonymous

I understand the majority of it e.g.
I used a total of 629 kWh over 77 days.
The statement says that the first 190 of these were charged at 16.383 pence (£31.13) and the next 439 were charged at 8.491 pence (£37.28) for a total of £68.41p

What confuses me is this additional information on the statement:
'How we calculate your electricity charges: 16.383 pence per kWh for the first 2.466 kWhs used a day, and 8.491 pence per kWh for the rest.'
To me this implies that the first few kWhs of electricity used each day are charged at the higher rate and those that are used after this are charged at the lower price (for the rest of the day). Now I've been told that this relates to night useage (cheaper) and day useage (more costly) but how does my 'service provider' separate my useage into kWhs used up to 2.466 kWhs? Am I thinking about this in the wrong way?

2007-08-07 01:03:41 · 3 answers · asked by Anonymous

!) find the area of a circle with a radius of 65m. answer to the nearest meter square...
2) what is another name for a bearing 270 degress
3) 1 nautical mile = 1.852km. convert 3704km to nautical miles ..
thankyou !!

2007-08-07 01:01:09 · 7 answers · asked by jess y 4

2007-08-07 00:28:36 · 6 answers · asked by GANGUNDI V 1

2007-08-07 00:23:26 · 10 answers · asked by ray 1

Integral of k f^1(x) e^f(x) dx

where k is a constant.

please help :)

2007-08-07 00:20:38 · 1 answers · asked by Sarah M 1