Mathematics - 30 June 2007

2007-06-30 10:54:02 · 10 answers · asked by peaches 1

I need to know how to do it using dimensional analysis (i hate this method).

2007-06-30 10:53:43 · 6 answers · asked by Dr. Richard Anderson, M.D., M.S. 3

2007-06-30 10:52:34 · 3 answers · asked by peaches 1

2007-06-30 10:50:55 · 2 answers · asked by peaches 1

x-6/x+4 divided by x+7/x+5. I know when -4, -5, and -7 are used as x will make the equation 0, but why can 6 be used as x?

2007-06-30 10:48:53 · 3 answers · asked by cheekyrojo 1

The purchasing manager for a firm is trying to determine what the safety stock should be for a particular product. She has developed the following table, which gives the distribution of demand during the lead-time and the probabilities:

Demand during lead time / probability
40/ 0.2
50/ 0.25
60/ 0.25
70/ 0.2
80/ 0.1
The carrying cost is $5 per unit per year, the ordering cost is $30 per order, and the stockout cost is $40 per unit. The reorder point is 60 units, and 6 orders are placed each year. What level of safety stock should be maintained?
ROP (reroder point)=d (daily demand) x L (order lead time) +SS (safety stock)
I don't know how to solve it.

2007-06-30 09:50:24 · 1 answers · asked by Anonymous

Xc=capacitive reactance
Pi=3.14
f=frequency
C=capacitor
Problem: A capacitor of unknown capacitance is wired to an alternating voltage source with a frequency of 60 hertz. if the resulting capcitive reactance is 663ohms, find the capacitance of the capacitor.

2007-06-30 09:32:55 · 3 answers · asked by Anonymous

find Ax+B so that f(x) = ((1-3x)^m-1) / ((3-4x)^n+1) * ( Ax+B)
holds for all integers m, n >1

A) Ax+B= 4(m+n) x-12n+3m
B) Ax+B= 12(m+n) x+4n +9m
C) Ax+B= 4(m-n) x+12n- 3m
D) Ax+B= 12(m-n) x +4n-9m

2007-06-30 09:09:14 · 1 answers · asked by ph103 1

how many feet are there in one acre . And how many acres are there in 16 by 1705 rods.

2007-06-30 09:08:49 · 2 answers · asked by David A 1

What is the value of x

I don't know how to make the exponent so I just wrote squared

2007-06-30 09:01:47 · 10 answers · asked by romeo 2

2007-06-30 08:57:09 · 8 answers · asked by Anonymous

I learned the formula to find the coordinates that divide a segment with endpoints x1 and x2 with ratio a:b, which is:
(x-coordinate): x1 + (a/(a+b))(x2-x1)
(y-coordinate): same as above but use y-coordinate

If someone knows how to solve find the ratio using this formula, that would also be helpful.

2007-06-30 08:55:36 · 2 answers · asked by cutest pooky 3

x8 divided by x4.

2007-06-30 08:50:51 · 7 answers · asked by Anonymous

(a-b)2

a= -9 and b=9

2007-06-30 08:47:08 · 6 answers · asked by Anonymous

2007-06-30 08:45:17 · 4 answers · asked by Anonymous

x-3 + x-3=7
_____________
3 4 24

This is a division problem

2007-06-30 08:43:34 · 2 answers · asked by Anonymous

1. http://i209.photobucket.com/albums/bb248/pielover757/asgard5.jpg

2. http://i209.photobucket.com/albums/bb248/pielover757/asgard6.jpg

3. http://i209.photobucket.com/albums/bb248/pielover757/asgard7.jpg

4. http://i209.photobucket.com/albums/bb248/pielover757/asgard8.jpg

2007-06-30 08:37:49 · 3 answers · asked by Asgardfanofpie 1

An observer notices that the angle of elevation of the top of a neighboring building is 60 degrees. if the distance from the observer to the neighboring building is 40 ft how tall is the building.

is the answer 40square root 3?

2007-06-30 08:36:55 · 3 answers · asked by Pradeep k 2

2007-06-30 08:34:06 · 7 answers · asked by Anonymous

this is the problem..

(x^2y)(xy^2)
would the answer be x^3y^3?

2007-06-30 08:20:59 · 6 answers · asked by Pradeep k 2

This is the problem: 12x^2 + 11x + -15=0. My teacher said to solve it by factoring. I've tried everything! PLease help me!

2007-06-30 08:13:01 · 11 answers · asked by Anonymous

this is the problem..

(2ab)^2/(3x^3)^3

would the answer be 4a^2b^2/9x^5

2007-06-30 08:05:04 · 8 answers · asked by Pradeep k 2

2007-06-30 07:57:16 · 4 answers · asked by Anonymous

I read the book tried to do the problems looked online and i still dont get it

2007-06-30 07:48:15 · 8 answers · asked by raleighzia 1

2007-06-30 07:43:02 · 7 answers · asked by randall_gilmore 1

2007-06-30 07:22:37 · 5 answers · asked by t_a_jd 2

I'm currently stuck on a set of problems that the book doesn't have examples for, e.g:

"Nine times the first of two consecutive odd integers equals seven times the second. Find the integers."

2007-06-30 07:04:41 · 9 answers · asked by Heiken 1

2007-06-30 07:02:21 · 24 answers · asked by Anonymous

2007-06-30 06:57:58 · 4 answers · asked by randall_gilmore 1

not that i cant do it manuelly but it saves me time. plus when there are harder equations i expect to get a simplified answer. i usuaully just enter (1/x) + (1/y) but the answer just ends up being (1/x) + (1/y) again and it doesnt give me it to me in the common denominator form.

maybe i messed up something in my modes? advice?

2007-06-30 06:52:10 · 3 answers · asked by Anonymous