Science & Mathematics - 21 September 2006

-15
(2,-7)
-(-3-9)
pls. help me bec. i'm so confused in finding the absolute value bec. there is no vinculum.

and also this:
-5
-(-7)
x-3
2x-3
how will i find the reciprocal?

2006-09-21 00:24:02 · 4 answers · asked by avenger 2 in Mathematics

2006-09-21 00:22:29 · 10 answers · asked by jammy.greeny@talk21.com 1 in Biology

Function of a function
Let U = f(x, y)
X= rcosØ
Y= rsinØ
Show that
1.dy/dx = cosØdu/dr – sinØ/r.du/dx


du/dy=sinØdu/dr+cosØ/r.du/dØ

2006-09-21 00:14:26 · 3 answers · asked by sikirutaye 1 in Mathematics

What's the most innappropriate use for a tool that you have seen?
I made a mini strimmer with a cordless drill and a stick with a piece of wire on it. I don't know why.

2006-09-21 00:09:20 · 8 answers · asked by Anonymous in Engineering

2006-09-21 00:07:22 · 3 answers · asked by sid 1 in Biology

2006-09-21 00:06:59 · 9 answers · asked by nicodemus 1 in Mathematics

2006-09-21 00:05:15 · 5 answers · asked by Anonymous in Biology

plut is a dwarf one.

2006-09-21 00:03:20 · 13 answers · asked by Anonymous in Physics