Mathematics - 10 December 2007

2007-12-10 02:50:04 · 16 answers · asked by Eric 2

√50x^2

a. 5√2x
b. 5x√2
c. 50x
d. 2x^2√5

2007-12-10 02:49:41 · 2 answers · asked by . 1

your answer choices are
1. x=3 y=1
2. x=-2 y=0
3. lines are parallel
4. lines coincide

please show work

2007-12-10 02:49:38 · 10 answers · asked by Deannapril H 1

7x-3y+21=0

2007-12-10 02:44:53 · 4 answers · asked by shakelia 1

solve each exponential equation. Express irrational solutions in exact form and as a decimal round to 3 decimal places:
1.0.3^(1+x)=1.7^((2x)-1)
2.3^(2x) +(3^x)-2 =0
3.(9^x) -3^(x+1) +1=0
4.2*49^x +11*7^x +5 =0

2007-12-10 02:41:53 · 4 answers · asked by Anonymous

1km2 = 1 * 10^6 m2

How come 1km2 = 1 * 10^10 cm2 ?

It doesn't make sense to me as I thought the metric unit changes were like this
1km = 1*10^3m = 1*10^6cm
1km2 = 1*10^(3+3)m2 = 1*10^(6+3)
and so on..

2007-12-10 02:39:46 · 3 answers · asked by BlabberBlab 1

2007-12-10 02:39:44 · 4 answers · asked by Anonymous

2007-12-10 02:37:01 · 7 answers · asked by Anonymous

2007-12-10 02:34:34 · 3 answers · asked by nookie 1

Find the critical points of f(x) = x - 3ln(x)

2007-12-10 02:30:57 · 4 answers · asked by Rachel 1

2007-12-10 02:17:34 · 3 answers · asked by Vince 1

The function is f(x) =

1
-------------------------------
x^3 + 12x^2 + 48x + 43

I graphed it in my calculator, and it came out to be a parabola. Parabolas do not pass the horizontal line test to see if it is a one to one function or not. As far as I know, if a function is not one to one, then the inverse does not exist.

I want to find out another way to find out that there is no inverse to this function other than from graphing.
I know you can interchange x and y, but I don't know what to do after I completed that step. Can anyone point me in the right direction?
Thanks - phuoc

2007-12-10 02:15:05 · 3 answers · asked by Phuoc 2

2007-12-10 02:09:44 · 7 answers · asked by shakelia 1

keep getting wrong answer

2007-12-10 02:05:24 · 5 answers · asked by ANDREA K 1

Here is the problem illustrated...
http://flickr.com/photos/98443290@N00/2100876010/

2007-12-10 01:57:54 · 5 answers · asked by Anonymous

I need the integrals of
a) (e^x sec e^x tan e^x) dx / (( 36-(sec e^x)^2)^.5)

and

b) e^(2ln arctan x) dx / (1+x^4)

2007-12-10 01:57:19 · 2 answers · asked by Anonymou$ 3

Simplify. 2 sqrt 12+4 sqrt of 27. The last one is (6+ sqrt 6)*(6- sqrt 6). I really appreicate if someone can help me on these.

2007-12-10 01:42:36 · 5 answers · asked by Kat 1

49x^2 - 588x + 9y^2 - 144y + 1899 = 0

That is the problem, please help me!!!

2007-12-10 01:42:00 · 1 answers · asked by CHSKicker08 2

also can someone state center radius

2007-12-10 01:40:36 · 3 answers · asked by referencearea 2

solve for r: c=2(pi)r

2007-12-10 01:40:22 · 4 answers · asked by Anonymous

2007-12-10 01:35:47 · 4 answers · asked by calcnot 1

12x^2-27

i think this is right but not sure
3(4x^2-9)?

2007-12-10 01:29:36 · 6 answers · asked by ersan b 4

3x+5y=15

2007-12-10 01:28:23 · 5 answers · asked by ersan b 4

If anyone is excellent in Statistics contact me because I really need some help, especially with the probabilities part of it.

2007-12-10 01:05:45 · 2 answers · asked by greene718 1

Show your solution. This question is a problem solving in Algebra.

2007-12-10 00:54:15 · 11 answers · asked by dario r 1

this is an illustration of the problem...
http://flickr.com/photos/98443290@N00/2100876010/

2007-12-10 00:33:59 · 8 answers · asked by Anonymous

*write the temperature in degress celcius as a function of degrees farenheit.?

2007-12-10 00:27:23 · 5 answers · asked by (ƸӜƷ) 1

2007-12-10 00:23:09 · 7 answers · asked by Anonymous

change -sqrt3 + i in trigonometric form and find

1. (-sqrt3 + i)^5, answer in rectangular form such as a+bi

2. (-sqrt3 + i)^1/3, wrtite all answers seperately in trigonometric form using degree angles?

please help with this problem I dont understand how to do them and need step by step instruction thanks
20 hours ago - 3 days left to answer.

2007-12-10 00:23:01 · 1 answers · asked by chrys 1

how do i turn 2.21 into hours/minutes??
would help to see the way
thanx

2007-12-10 00:21:56 · 5 answers · asked by barvazduck 1