Mathematics - 6 October 2006

The author found that in one month (30) days, he made 47 cell phone calls, which were distrubuited as follows: No calls were made on 17 days, 1 call was made on each of 7 days, 3 calls were made on each of two days, 4 calls were made on each of two days, 12 calls were made on one day, and 14 calls were made on one day.

2006-10-06 05:31:11 · 6 answers · asked by Mizz Know It All 4

This question goes:

What is 1001 (squared) minus 999 (squared) /(divided by) 101 (squared) minus 99 (squared)?

How do you do this problem in under 2 minutes?

2006-10-06 05:29:49 · 10 answers · asked by Jason A 1

What is the greatest prime factor of:

4 (to the 17th power) minus 2 (to the 28th power). This is a GMAT question that I'm having trouble with. Please give a step by step explanation. Thanks

2006-10-06 05:27:06 · 7 answers · asked by Jason A 1

The definition of the log function (y = logb N, where b>0,
b not 1) is based on the definition of the exponential function

2006-10-06 04:58:53 · 9 answers · asked by Choad McChump 1

i.e. for: logb N)

2006-10-06 04:56:51 · 6 answers · asked by Choad McChump 1

Assignment x,y :=x+1, y-1
Expression 2*y-x

2006-10-06 04:40:37 · 2 answers · asked by Algorithim007 1

What is the number that matches this written value:

eight thousandths

i dont quite understand what ths are there for,

please help!!

2006-10-06 04:31:48 · 8 answers · asked by Laugh-n-fart 3

2006-10-06 04:20:44 · 15 answers · asked by ro 2

A room is 24 feet long, 18 feet wide, and 9 feet high. How many square yards of wallpaper are needed to paper the four walls of the room ???

THANKS SO MUCH FOR THE HELP !!

2006-10-06 04:16:56 · 6 answers · asked by Laugh-n-fart 3

How many 4 inches x 8 inches brichkes are needed to build a walk 6 feet and 24 feet long ??

2006-10-06 04:09:18 · 7 answers · asked by Laugh-n-fart 3

You have a right triangle
The height of the triangle from the hypotenuse to the right angle + the
shortest side = the hypotenuse.

If shortest side is 1 inch what are the lenghs of the other 2 sides?

2006-10-06 04:00:41 · 11 answers · asked by Anonymous

assuming the floor was non porus and totally flat , what area would the water cover

2006-10-06 03:59:45 · 10 answers · asked by HobsonDog 1

What is the slope of line A (5,4) and B (0,3) ??

thank u very much

2006-10-06 03:53:38 · 11 answers · asked by Laugh-n-fart 3

i know that the answer is x^2(x+2) -- i have a calculator -- but i want to know how one would come to that answer.

2006-10-06 03:52:52 · 9 answers · asked by Anonymous

n^3 + 2n is divisible by 3 for all n = positive integers

2006-10-06 03:48:55 · 5 answers · asked by jtdelani 2

"A fence delimits a patch from three sides: The front and two sides (in the back of the patch there's a wall).
The overall length of the fence is 40 feet.

What has to be the length of the front, so that the area of the patch will be maximal?"

How do you solve the question above?

2006-10-06 03:33:21 · 5 answers · asked by MiTTeLMaNiA 2

like wat are the lines in between the numbers???

2006-10-06 03:28:53 · 9 answers · asked by Cristina p 1

2006-10-06 03:19:29 · 14 answers · asked by Anonymous

2006-10-06 02:48:06 · 9 answers · asked by smile 3

2006-10-06 02:46:34 · 12 answers · asked by TS 1

At 0900 hour, ship A leaves port X at a speed of 50km/h on a bearing of 040 degrees and ship B leaves at 30km/h on a bearing of 120 degrees.
At 1200h, what is the
(i) distance between the two ships
(ii) bearing of A from B?

2006-10-06 02:14:58 · 2 answers · asked by edwinvandesar 1

Three men picked 66 bushels of apples. The first man picked 3 times more than the second man and twice as many as the third man. How many bushels did the second man pick?
a. 10, b. 15, c. 24, d. 18

2006-10-06 01:53:04 · 5 answers · asked by MEEE T 1

Extremely hard

2006-10-06 01:46:06 · 13 answers · asked by Anonymous

what is the likelyhood of numbers 1-6 coming up (in any order) , it is my belief this is just as likely as any other 6 numbers is this the case

2006-10-06 01:39:04 · 14 answers · asked by gingerboy 1

you have a procss, you do the expirement, get data. you choose a model for that proces. you have do find the parameters.
i need one method to be explained, the changed differential method for parameter finding. with the use of neldeal mead nonlinear regression fo optimization, and runge kutta for numerical solving of ODJ.
i have the algoritam in front of me and i just don't get it. what is it tha you do, and in what order to get the solutions, the parameters.

thnx

2006-10-06 00:49:30 · 1 answers · asked by mamamacka 1

solve this plz:

1/2+1/2+1/2+1/2+ ... = ?

2006-10-06 00:21:38 · 16 answers · asked by MaK 1

integrate dx/ ((4*x^2)+(25)), the a=5 and b= positive infinity...i try to solve this a came up the result is in the trigonometric substitution the only problem how can I substitute the limits of 5 and infinity ??

integrate dx/(2x + 2)^1/2....can i use the general power formula to this question?

thanks

2006-10-06 00:06:30 · 6 answers · asked by ice_cream_chico11 1