Mathematics - 25 June 2006

2006-06-25 23:59:55 · 26 answers · asked by Alex R 1

The number of ways in which "p" positive and "n" negative signs may be placed in a row so that no two negative signs shall be together is:

(p+1) C (n)

This subject involves permutations and combinations. Please help me out here. Thank you very much in advance.

2006-06-25 23:56:23 · 3 answers · asked by Anonymous

2006-06-25 23:52:52 · 2 answers · asked by nithin 1

Find the loss in the value of diamond worth $10872 when it broke into 3 pieces with wt ratio as 1:2:3 and the value of each respective piece being proportional to the square of the of its wt?

2006-06-25 23:51:59 · 6 answers · asked by ved_vishwa 2

dV/dr = SA
where r, V and SA are the radius, vol. and Surface Area of a SPHERE
and
dA/dr = C
where r, A and C are the radius, area and the circumference of a CIRCLE.
^_^

2006-06-25 23:21:10 · 6 answers · asked by kevin! 5

2006-06-25 22:54:47 · 4 answers · asked by nawar n 1

^_^

2006-06-25 22:52:36 · 13 answers · asked by kevin! 5

Help pls.!
Tulong naman diyan!

^_^

2006-06-25 22:15:10 · 5 answers · asked by kevin! 5

I have a pretty good grasp of integration but don't get this question! Thanks!

2006-06-25 20:46:01 · 7 answers · asked by Anonymous

2006-06-25 20:34:05 · 10 answers · asked by Anonymous

Engineering Maths

2006-06-25 20:17:34 · 8 answers · asked by zhuangguoqiang2000 1

2006-06-25 19:16:27 · 10 answers · asked by creativeone1_98 1

2006-06-25 19:03:49 · 6 answers · asked by maclimus 1

he length of a rectangular picture is 5 inches greater than twice the width. if the perimerter is 112 inches, find the dimensions of the frame

2006-06-25 18:48:20 · 9 answers · asked by Anonymous

2006-06-25 18:23:08 · 5 answers · asked by Shitanshu! 1

2x^6 - 24x^3 + 4 = 0

Please assist!!

2006-06-25 17:11:16 · 9 answers · asked by RealArsenalFan 4

2006-06-25 17:05:38 · 5 answers · asked by momoray2002 1

3 friends stay at an inn. the boy there says its 30$. they pay him and go to their rooms. when the manager arrives he tells the boy that the charge is only 25$ and asks him to return the 5$. When he returns it, the 3 men take a $ each and give away 2$ for the boy as tips. technically each guy has spent 9$. that makes it 27$ for the 3( 9*3=27). 2$ for the boy makes it 29$. what happened to the missing 1$.........!!

2006-06-25 16:47:56 · 27 answers · asked by rocker 2

5(x+3)-3x=2(x+8)?.. can anyone help me out with this one...?

2006-06-25 16:44:32 · 13 answers · asked by jen10600 1

2006-06-25 16:36:51 · 15 answers · asked by Anonymous

so I have a math exam tommorow and I lost my notes on surface areas of like triagles and pyramids etc all the basics.
help?
thanks you

PS what does this: ^ sign mean?

2006-06-25 16:34:31 · 6 answers · asked by Sofy 2

basic algebra

2006-06-25 16:28:55 · 25 answers · asked by Anonymous

3x-2xy-3x

2006-06-25 15:23:19 · 11 answers · asked by juvy g 1

2006-06-25 14:56:19 · 11 answers · asked by David C 2

2006-06-25 14:15:51 · 15 answers · asked by chris 1

taking GED need help ...

2006-06-25 14:04:53 · 12 answers · asked by dieselmom2003 1

and how do you work out the answer?

2006-06-25 13:48:55 · 39 answers · asked by big phil 1

2006-06-25 12:01:58 · 7 answers · asked by STANLEY G 1

2006-06-25 11:57:09 · 8 answers · asked by STANLEY G 1

I think I figured out the following Q by checking what anwser would work but I hope someone can explain it to me in steps.

A farmer has 160 feet of fencing to enclose 2 adjacent rectangular pig pens. What dimensions should be used so that the enclosed area will be a maximum?

After drawing the picture and naming the short sides x and the long sides y, I think
4x+3y=160
y=(160-4x)/3

I put y back in the first expression: 4x+3((160-4x)/3)=160

I need to do something with the derivative but what?

Out of the answers I can choose only 20ft by 80/3 ft gives me the total of 160ft.
How do I work this problem??

2006-06-25 11:06:35 · 3 answers · asked by dutchess 2