Mathematics - 20 October 2007

how do you rearrange the formula: 2y+x-4=0, to make y the subject?

2007-10-20 23:13:07 · 3 answers · asked by Anonymous

I have worked out how to do
cos = root 3 on 2
As
30 degrees, and 330 degrees
Im just having some trouble with the others

2007-10-20 22:47:15 · 3 answers · asked by Anonymous

Prime factors up to 49.

2007-10-20 22:44:08 · 12 answers · asked by wendyiley 2

the prime factors can only go up to 49.
Get your brains going!

2007-10-20 22:31:12 · 6 answers · asked by wendyiley 2

2007-10-20 21:06:26 · 9 answers · asked by sonofabitts 1

Find the vector xi+yj+zk which has a magnitude ot 6cm and makes an angle of 35deg and 80deg with the positive x and y axes respectively.
I don't know how to do it. Mostly cause I don't know which angles it means.

2007-10-20 20:56:05 · 4 answers · asked by j_s_j_c_c 2

i bet nobody ever thought about the zero, yes the zero was invented, and befor when they had no zero the numbers were crazy, the numbers were limited, or you need a wall to write 1million,
i will answer after i resieve some other people answers.
thx

2007-10-20 20:22:42 · 6 answers · asked by zakk 3

Also, how would you determine the interval of convergence?

f(x)=x/(4x+1)

much thanks!

2007-10-20 20:16:52 · 3 answers · asked by Trung T 1

2007-10-20 20:03:03 · 6 answers · asked by smiley 1

2007-10-20 19:48:25 · 9 answers · asked by smiley 1

Please show the steps using the y-intercept, unless there is an easier way

2007-10-20 19:39:20 · 3 answers · asked by Sherri E 1

2) h=2/3 cos 6t-5t
3) y=3-2 tan 4u
4) z=0.4 - 1/2cos 8θ

2007-10-20 19:36:35 · 1 answers · asked by charlie green aniston 1

2007-10-20 19:35:00 · 5 answers · asked by smiles4u 3

Find the first partial derivatives for the following function, where they exist

s(x,y) = arctan(y/x)

thanks, any help much appreciated

2007-10-20 19:32:56 · 3 answers · asked by okooko 3

Show that the function f(x) equal to summation (0- infiniti) {[(-1)^n]x^(2n)}/(2n)!
is the solution of the differential equation f ''(x)+ f(x)=0.

help is greatly appreciated! thanks!

2007-10-20 19:25:19 · 2 answers · asked by nerdoman@sbcglobal.net 1

is there anothe way to solve this w/o the chain rule? because i haven't learned it yet..and am not supposed to use it..


if g(x)=rad(3-5x), use the definition of a derivative to find g'(x)..i dont' understand how to solve this...the answer is supposed to be...g'(x)= -5/2 (3-5x)^(-1/2)

2007-10-20 19:23:10 · 2 answers · asked by Haya 1

In English please.

2007-10-20 19:15:49 · 3 answers · asked by justwondering 6

I wondering why some some people love doing math and always want to do maths work?

2007-10-20 19:12:15 · 8 answers · asked by Anonymous

Just need this solved by anyone who understands math at all...makes no sense to me...Thank you!!

2007-10-20 19:05:29 · 15 answers · asked by orion6676 2

2007-10-20 18:57:51 · 5 answers · asked by Anonymous

2007-10-20 18:50:48 · 7 answers · asked by vivek g 1

I am good in mathematics and have a post graduate engineering degree. Please suggest me a research topic in mathematics where I can research on my own during my spare time and publish papers.

2007-10-20 18:48:38 · 3 answers · asked by Karoly 2

2007-10-20 18:30:42 · 10 answers · asked by Anonymous

2007-10-20 18:09:06 · 4 answers · asked by solamarillo 2

is the solution manual?

2007-10-20 17:56:01 · 1 answers · asked by xboxturbo 3

Thanks for any help in advance!

2007-10-20 17:44:28 · 13 answers · asked by yeahyeahyeah 4

I think the answer is 24, is that right?

2007-10-20 17:36:44 · 12 answers · asked by yeahyeahyeah 4

2007-10-20 17:28:00 · 5 answers · asked by yeahyeahyeah 4

I would respect a step be step explanation.
Breaking each step down so a lame person can understand.

'Mathfriend' enlightened me more of how to do the problem.
But I still don't understand. There's no point in anyone giving me the answer to this problem. How exactly do u solve it?

2x^4 + 11x^3 + x^2 – 10x - 4
-what are possible rational roots?
-Actual rational roots?
-Other real roots?
-Divide by (x-r) where r is a root. Repeat with as many roots as you know. Can you find the other roots?

2007-10-20 17:14:40 · 4 answers · asked by ? 3

A: 20/12
B: 4/3
C: 1 7/12
D: 1 1/2

2007-10-20 17:05:49 · 8 answers · asked by acuraboy1978 2