Mathematics - 5 September 2006

2006-09-05 03:59:05 · 14 answers · asked by Anonymous

(x+8)- (2x+7)

I got

-1x -1

but the correct answer is

-1x + 1

Why is it addition and not subtraction??

2006-09-05 03:41:58 · 11 answers · asked by this isnt my name. 1

2006-09-05 03:36:11 · 14 answers · asked by z 2

Please help.. im confused

2006-09-05 03:29:48 · 8 answers · asked by this isnt my name. 1

13 hours for me

2006-09-05 03:01:32 · 6 answers · asked by emjay 2

2006-09-05 02:39:35 · 7 answers · asked by z 2

all i know is it has something to do with math.

2006-09-05 02:37:49 · 4 answers · asked by z 2

(sinx + cosx)^2 ?
There are limits given, pi/2 and 0, and the answer is 2.57.

Pls dun tell me to do my hw myself cos this is for enrichment.
Pls give detailed steps.
Thank you.

2006-09-05 02:22:10 · 6 answers · asked by Forest_aude 3

I know cos36° is (1+root 5)/4; can sin36° be expressed without any square root inside a square root?

The answer CANNOT be rounded! And please read the requirements carefully!

2006-09-05 02:10:10 · 6 answers · asked by Hex 2

Find the area of a six sided regular polygon inscribed inside a circle. The circles diameter is 5. Show all steps.

2006-09-05 01:56:34 · 10 answers · asked by Anonymous

2006-09-05 01:39:27 · 14 answers · asked by z 2

Why does the (inverse sin 1) times 2 equal pi?

2006-09-05 01:38:09 · 10 answers · asked by Anonymous

Please teach me about partial derivatives. I know how to do differentiation, but how do you do partial derivatives?

Thanks!

^_^

2006-09-05 00:11:52 · 5 answers · asked by kevin! 5