Mathematics - 14 November 2007

i took a practice exam and came across something im not familier with.....what does (3)P(3) mean? I mean i kno the answer is 3! but i wanna kno how to get that number

the numbers in the parenthensis are subnumbers.......i dont kno how to show them w/o using HTML

2007-11-14 05:55:03 · 1 answers · asked by inuyashaincarnate 1

x - y = - 2
2x - y = 5

2007-11-14 05:48:00 · 12 answers · asked by Anonymous

2007-11-14 05:37:09 · 5 answers · asked by xxpeacelovehappiness 1

2007-11-14 05:35:13 · 7 answers · asked by R. S 1

How do you differentiate Sin[x^2]?
i.e. NOT (Sin[x])^2, but with the square operator actually part of the argument of sine.

2007-11-14 05:04:44 · 3 answers · asked by Rob H 4

How do I put y=(x-2)^2-4 in the form y=ax^2+bx+c
Thanks for any help.

2007-11-14 04:39:20 · 5 answers · asked by Anonymous

A pupil measured the angles in a tringle.
she said:

The angles are 30 degrees, 60 degrees and 100 degreees

Could she be right ?
YES or NO

Explain your answer.

2007-11-14 04:30:37 · 10 answers · asked by Anonymous

1)
x-5y=32
-3x=y

2)
x-y=8
3x+2y=-1

Thanks in advance!

2007-11-14 04:23:16 · 4 answers · asked by Justin K 1

Final solutions are provided but please show the method:

A work crew for a building project is to be made up of two craftsmen and four laborers selected from a total of five craftsmen and six laborers.
a. How many different combinations are possible? (ans:150)
b. The brother of one of the craftsmen is a laborer. If the crew is selected at random, what is the probability that both brothers will be selected? (ans: 0.2667)
c.What is the probability that neither brother will be selected? (ans: 0.20)

2007-11-14 04:21:59 · 4 answers · asked by Albert A 2

I need to show that fn(x)=cos(x/n) converges uniformly to f(x)=1 for x in [0, pi]. I need help finding an n from the inequality
|cos(x/n) - 1| < eps

Thanks...

2007-11-14 04:21:26 · 2 answers · asked by linzaroo06 1

The given function is f(x) = -3x(squared) + 12x + p.
- At which p does point (p, 14) lie on the graph of f?

The subject is quadratic relationships. I know that I either have to use the quadratic formula in some way, but I don't know how, as p is also in the x and y coordinates.

And please, no stupid comments like ' do you homework yourself '. It's study : )


Thanks a lot!

2007-11-14 04:16:17 · 5 answers · asked by pallasfield 2

f(x)=(x^2+2*x+5)/(x^2-5*x+1)

2007-11-14 04:14:16 · 3 answers · asked by emma 1

2007-11-14 04:03:36 · 5 answers · asked by Anonymous

(+25)-(-15)/(5)

Please help.

2007-11-14 04:02:18 · 6 answers · asked by Cindy M 1

x-2y=0 & 3x=y How do you do this one? How do you know what to do, when one equation needs to be solved first, how do you know which one?

2007-11-14 03:36:58 · 7 answers · asked by noggle4 2

2007-11-14 03:24:44 · 6 answers · asked by Anonymous

Express the ides of this reaidal expression.

2007-11-14 03:18:07 · 9 answers · asked by Deannapril H 1

y = x + 7

2007-11-14 03:17:49 · 2 answers · asked by . 1

2007-11-14 03:16:40 · 2 answers · asked by tamara j 2

{(-3, 5), (-1, -6), (4, -4), (8, 7)}

2007-11-14 03:16:12 · 3 answers · asked by . 1

2007-11-14 03:05:26 · 9 answers · asked by beartrap4151 1

2007-11-14 03:02:24 · 10 answers · asked by beartrap4151 1

Evaluate the limit using L'Hopital's rule.

a) lim(as x--->0) of [7^(x)-14^(x)] / x
Evaluate the limit using L'Hopital's rule twice!
ans=______?

b) lim(as x--->0) of ( e^(9x)-1-9x) / (-9x^2)
Evaluate the limit using L'Hopital's rule if necessary
ans=______?

c) lim(as x--->1) of (7x+9) / (14x-9)
ans=______?

2007-11-14 02:45:12 · 1 answers · asked by Hinal P 1

I forgot the equation to find x when you can't factor the polynomial... x = [b +/- sq.rt (.... - 4ac)] / 2a... Can anyone help me fill in the blank. Thanks!

2007-11-14 02:26:35 · 13 answers · asked by Anonymous

For this equation...

6x + 2y = 11

Would the slope intercept form be 2y = -6x + 11? Also, how would I find the equation, in slope intercept form, for the line that is parallel to this line and passes through the point (9, -15)?

2007-11-14 02:24:56 · 2 answers · asked by Anonymous

1. Find the distance of 5x - 12y = 26 from the origin

2.Find the distance between the line 5x -12y = 26 and the point A( 3,-2)

Please Help ASAP!
Many Thankings xx

2007-11-14 02:21:47 · 5 answers · asked by Jessa 2

I need to show that fn(x)=cos(x/n) converges uniformly to f(x)=1 for x in [0, pi]. I need help finding an n from the inequality
|cos(x/n) - 1| < eps

Thanks...

2007-11-14 01:54:41 · 2 answers · asked by linzaroo06 1

2007-11-14 01:52:04 · 5 answers · asked by Anonymous

all that matters is that we got it, not showing how.

2007-11-14 01:30:32 · 17 answers · asked by I hate Hillary Clinton 6

Find the two values of (-i)^1/2 in x+iy form where x and y are real numbers

FInd four values of (-i)^1/4 in x+iy form

2007-11-14 00:27:53 · 3 answers · asked by Anonymous