Mathematics - 28 December 2007

Ok the picture in my avatar shows that of a the circle....

What are the coordinated of (x,y)

The angle makes 30 degree....the 4 possible answers are..

1)-root3 , -0.5
---------
.....2

2)-0.5 , -root3
........... -------
............. 2

3) -30 , -210


4) - root2 , -root2
....... ----- ...... ------
.......... 2 .. ...... 2

Please help...ignore the periods,,,I put them in there to align with the division....

2007-12-28 09:04:37 · 2 answers · asked by Anonymous

I just need someone to walk me through it please.

2007-12-28 09:03:41 · 4 answers · asked by Alyssa 1

5^21 x 4^11=2x10^n
what is the value of n?

How do you solve this?

2007-12-28 09:02:37 · 5 answers · asked by tlbarron 1

1. It is tangent to the x-axis
2.It does not intersect the x-axis
3.It intersects the x-axis in two distinct points that have
4. It intersects the x-axis in two distinct points that have rational coordinates

2007-12-28 08:59:00 · 6 answers · asked by Anonymous

27x(cubed)=1


how would I solve this?

2007-12-28 08:58:48 · 4 answers · asked by Dawn 1

I'm stuck on homework.

2007-12-28 08:47:22 · 9 answers · asked by Anonymous

2007-12-28 08:37:24 · 9 answers · asked by Anonymous

2007-12-28 08:29:10 · 19 answers · asked by pinkparadiseforever 2

2007-12-28 08:19:19 · 10 answers · asked by pinkparadiseforever 2

it, yes for the last 2 weeks of december...My questios is: Can I claim him as a dependent or can I be a head of Household? thank you for your answers

2007-12-28 08:16:22 · 3 answers · asked by Jersey girl on Florida. 5

2007-12-28 08:15:08 · 7 answers · asked by Anonymous

2007-12-28 08:08:43 · 21 answers · asked by ? 5

1. x(squared)+6x-10=0 2. x(squared6x+8=0

3.x(squared)-6x+10=0 4. x(squared)-6x-8=0

2007-12-28 07:53:07 · 5 answers · asked by Anonymous

2007-12-28 07:49:30 · 5 answers · asked by Anonymous

2007-12-28 07:45:35 · 2 answers · asked by nc 3

Is it a phase shift that results in a sine graph?

2007-12-28 07:44:35 · 3 answers · asked by Anonymous

x(squared)-x-56=0

2007-12-28 07:38:07 · 7 answers · asked by Anonymous

2007-12-28 07:31:52 · 2 answers · asked by Jaspreet J 1

2007-12-28 07:30:14 · 14 answers · asked by Anonymous

2007-12-28 07:24:30 · 6 answers · asked by subrat b 1

1. The river boat, Alert, take six hours to travel 120 km upstream but only four hours to return. Find the speed of the current and the speed of the riverboat in still water.

Answer: 5km/h Current , 25 km/h riverboat
( I can not get the answer from the question )
Can some1 teach me how to find the answers step by step?


My other question is this.. ( i don't think we even learned this yet )

2. f(x) = x(square) - 1 and g(x) = x +1 , find f(g(x)) and g(f(x))?
( I don't get what this is .. but the answers are )

Answers: f(g(x)) = x(square) + 2x , g(f(x)) = x(square)




THANK YOU VERY MUCH !!

2007-12-28 07:01:09 · 6 answers · asked by KoF 2

x – y + 2z = 13
2x + xy – z = -6
-x + 3y + z = -7

need coefficent matrix
inverse
transpose
determinant

need explanation so I can do it myself

2007-12-28 06:53:25 · 5 answers · asked by Anonymous

a skier starting from rest skis straight down a slope of 50. m long in 5.0 seconds. What is the magnitude of the acceleration of the skier?
thanks =D

2007-12-28 06:51:45 · 6 answers · asked by luhb u much!! 4

help me convert 1.8125 into a fraction....pls!

2007-12-28 06:45:23 · 8 answers · asked by Adriana 2

without invoking the 5th postulate.

That is do not assume that there is only one parallel line.

2007-12-28 06:31:47 · 18 answers · asked by Alexander 6

http://www2.murrieta.k12.ca.us/vmhs/staff/mfitzpatrick/xc/xcprob1.jpg

There's the link to it.... please help!

2007-12-28 06:31:47 · 4 answers · asked by Anonymous

2007-12-28 06:18:58 · 24 answers · asked by malinky 1

Can you tell me if these are linear equations or not and plz tell me why they are or why they aren't linear equations

1. 5y+2y=7 3. 3/5x-2/3y=5
4. y/3=3.

2. y+1/x=7

2007-12-28 06:10:58 · 11 answers · asked by Anonymous

1. y= 1/-32 y^2
2. x^2=-8y

2007-12-28 06:09:36 · 6 answers · asked by Anonymous

At Boston sports club, 20% of women, and 50% of men play tennis. If 60% of all members are men, what percent of the club members do not play tennis?

2007-12-28 06:02:31 · 15 answers · asked by Anonymous