Mathematics - 9 July 2007

How do you calculate all of the angle's trigonometric functions using only one? There are formulas for this, does anybody have them?

2007-07-09 07:29:08 · 8 answers · asked by ? 2

whats the particular integral of:

y'' - 3y' +2y = x^2 +3x -4

I used D-operators method and got the answer:
y_p= (x^2)/2 + 3x + 2.

whats the correct answer please?

2007-07-09 07:09:03 · 3 answers · asked by sh 1

Can someone convert a room that is 214 inches width and 250 inches in length into square meters please, and also tell me how u do it....

Top marks for first correct answer that makes sense!

2007-07-09 07:08:50 · 13 answers · asked by rachel c 2

2007-07-09 06:58:55 · 6 answers · asked by Anonymous

this is pre algebra

2007-07-09 06:53:35 · 8 answers · asked by Anonymous

2007-07-09 06:49:03 · 8 answers · asked by Anonymous

-6-3u+9-(-4u)
would you leave the -(-4u) as it is and combine the -4u with the -3u, or would you make the -(-4u) a positive 4u and then add it with the -3u?

2007-07-09 06:48:55 · 4 answers · asked by Anonymous

what do i do when there are both parantheses and bracket things that are like this: [ ]

here is the problem? explain what to do (DONT GIVE ANSWER)

10 [8 (15-7) - (4 x 3)]

umm yeah [-_-]

remember explain step by step please and don't give the answer =)

thanks so much

2007-07-09 06:47:17 · 11 answers · asked by mommyicanswim 2

Write each rational number as the ratio of two integers in the form of A/B and then as a repeating decimal.

1. 3/4
2. 8 and 1/2
3. -6.59

Thanks... I had 10 of these, but these 3 I can't figure out. Thanks if you can help.

2007-07-09 06:44:38 · 2 answers · asked by Anonymous

The square root of 0.04 is 0.2... is o.2 rational or irrational?

Also the square root of 4/9 is 2/3... is that rational or irrational?

2007-07-09 06:41:18 · 4 answers · asked by Anonymous

beggining at age 18, if you save 3000 per yr for 5 years and earned a return of 10% each year at 65 how much money would you have?

I have 4 possible answers.

2007-07-09 06:24:52 · 3 answers · asked by misty_4_69 3

is 573.1999999..... a rational or irrational number?

2007-07-09 05:49:32 · 5 answers · asked by Anonymous

2007-07-09 05:44:32 · 25 answers · asked by Anonymous

Solve the equation below.
(a + 2)(a + 13)=0

A. a = 2 or a = 13
B. a = -2 or a = -13
C. a = -2 or a = 2

2007-07-09 05:30:53 · 8 answers · asked by Chillin with my peeps 1

3a + b
---------
6a + 2b

explanation would be useful.
thanks

2007-07-09 05:29:39 · 19 answers · asked by Anonymous

2007-07-09 05:28:30 · 2 answers · asked by Anonymous

y3 + 5y2 - 9y - 45

2007-07-09 05:22:29 · 4 answers · asked by Chillin with my peeps 1

Factor the following polynomial or indicate if it is prime.
7zy^3 + 42zy^2 + 56zy

2007-07-09 05:10:58 · 3 answers · asked by Chillin with my peeps 1

I am completely stuck as to how to set up this equation, If you could help me get started, I would really appreciate it!
Find the mass of the region (in cylindrical coordinates) r^3≤z≤5 , where the density function is ρ(r,θ,z)=3z .

2007-07-09 05:07:16 · 1 answers · asked by Anonymous

A stamp collection consists of 5, 13, and 18 cent stamps. The number of 13 cent stamps is one less than twice the number of 5 cent stamps. The number of 18 cent stamps is five more than the number of 13 cent stamps. The total value of all the stamps is $2.60. Find the number of 13 cent stamps in the collection.

2007-07-09 05:01:23 · 4 answers · asked by BC 2

2007-07-09 04:58:22 · 4 answers · asked by Anonymous

2007-07-09 04:52:47 · 1 answers · asked by silo81 2

2007-07-09 04:36:26 · 3 answers · asked by Anonymous

x^2+8x+16
I'd like the answer and the concept. I know that the answer is (x+4)^2 , but how do you get rid of the 8x?

2007-07-09 04:23:52 · 9 answers · asked by Anonymous

I graphed it out, but the graph looks really weird. Please help.

2007-07-09 04:20:33 · 7 answers · asked by Anonymous

2007-07-09 03:48:47 · 5 answers · asked by patrick john 1

what are real numbers and what makes them so real? 10 points for best answer!

2007-07-09 03:29:46 · 8 answers · asked by mean. mode. median 3

what is 1 + 1 x 1 + 1

do you use the PEMDAS rule and get three or do it in order and get four?

2007-07-09 03:27:01 · 18 answers · asked by corinneftw 2

2007-07-09 03:20:35 · 4 answers · asked by Demetria S 1

I just want to know if a number is divisible by 2 than what other numbers are also divisible by that number ?

2007-07-09 03:18:54 · 6 answers · asked by caz 1