Mathematics - 13 September 2007

Suppose nonzero vectors e and f are orthogonal. Show that e and f are linearly independent.

2007-09-13 09:03:13 · 2 answers · asked by doha 1

2007-09-13 08:57:51 · 6 answers · asked by Fred 1

i have an algebra trig. problem i can't figure out.

simplify:

(x^2 - 4)^1/2 (3) (2x+1)^2 (2) + (2x+1)^3 (1/2) (x^2 - 4)^-1/2 (2x)

the answer in the book says:
(2x+1)^2 (8x^2 + x - 24) OVER (x^2 - 4)^1/2


im so stuck. can someone help me get from the problem to the answer?

2007-09-13 08:52:12 · 4 answers · asked by Anonymous

help please... i know it has to be between 1 and 31 thanks

2007-09-13 08:44:24 · 5 answers · asked by heythere! 3

The warehouse of the aplha company mesures 450 feet by 300 feet.If 65% of the floor space if covered how many spuare feet are NOT covered?

2007-09-13 08:41:40 · 2 answers · asked by Desi_Fly_Chick 2

Does anyone know the answer?

2007-09-13 08:35:04 · 3 answers · asked by Steiner 7

Bob got an elevator.He rode up 7 floors, down 5 floors, up 3 floors, up1 floor, and then down 2 floors. He got of the elevator at the eighth floor. On what floor did he start??

2007-09-13 08:33:53 · 5 answers · asked by :) Miss Hockey Lover :) 4

pls help...im confused!!!

2007-09-13 08:29:00 · 25 answers · asked by meee 2

I need help in solving the equation? With a bit of explanation x^2 - 3x - 4 = 0

2007-09-13 08:19:57 · 12 answers · asked by Duckie 26 2

A certain casino produces only two denominations of chips: those worth $6 and those worth $11.
Clearly it is impossible to possess certain sums of money, such as $10. Prove, inductively, that it
is possible to have any value greater than or equal to $50.

2007-09-13 08:16:52 · 3 answers · asked by shakirh 1

Need help with maths question. points for grabs !!!!
Solve:
7/x + 2 + 1/x-1 = 4

Show that 25 - (x-8)^2 / 4 = (2 + x) (8-x) / 4

2007-09-13 08:09:17 · 2 answers · asked by Anonymous

2007-09-13 08:09:13 · 15 answers · asked by 9babbitfoot9 1

70 ones=______hundreds
60 tens=______ ones
600 hundreds=________thousands
Find the Value:
765,802___________ (the eight is underlined)
9,806 _____________(the nine is underlined.

Her homework came with no instuctions at all. I have definatly been out of school to long.

2007-09-13 08:05:51 · 9 answers · asked by Cardinal Fan 1

2007-09-13 08:05:16 · 3 answers · asked by tamdayash 1

4x^2 + y^2 + 16x + 6y - 3 = 0

2007-09-13 08:03:27 · 4 answers · asked by Anonymous

2007-09-13 07:55:30 · 7 answers · asked by Gil 1

2007-09-13 07:37:17 · 13 answers · asked by red babii gurl roar 1

2007-09-13 07:30:28 · 6 answers · asked by Anonymous

125k^3+27=

Factor this as far as possible
Answer = (15k+13)(25k^2-15k+9)

Please post step by step, I need help.

2007-09-13 07:29:18 · 1 answers · asked by Parth G 1

2007-09-13 07:24:25 · 12 answers · asked by tamdayash 1

-3(x - 2 ) = 5 (2x +1 )

How do you do this?

2007-09-13 07:13:51 · 11 answers · asked by Jessie 1

Someone drawn a circle on a piece of paper, marked its dimater AB, and took away the compass.

http://i4.tinypic.com/53jpr1l.gif

2007-09-13 07:09:06 · 4 answers · asked by Alexander 6

how do i solve it and whats the answer?

im struggling with my homework...please help me!!!

2007-09-13 07:00:24 · 29 answers · asked by -x-lollie-x- 1

I'm not necessarily looking for the exact answer, but rather, steps to find the answer. I know that substituting-in is one way, but how would I solve this algebraically?

2007-09-13 06:56:56 · 10 answers · asked by Julie Q 2

2007-09-13 06:37:40 · 4 answers · asked by red babii gurl roar 1

What does 1+1 equal to? This is sending me crazy!

2007-09-13 06:36:59 · 3 answers · asked by Ryder 1

Please explain how you got the answers
so I know how to do it my teacher just tells me to ask a friend to help
which fraction represents 60% in the lowest term?
a.5/3
b.3/5
c.6/10
d.10/6

30%=
a.1/3
b.0.03
c.3:10
d.0.33

6.5%=
a.0.0065
b.0.65
c.6.5
d.0.00065

7/8=
70%
875%
80%
87%

2007-09-13 06:35:55 · 6 answers · asked by Mr.k 1

What is the quotient of 3 over 4 and negative 1 over 2?


Please explain to me? =/ I'm probably wrong..but i think I'm suppose to divide?

2007-09-13 06:20:28 · 4 answers · asked by Jessie 1

2007-09-13 06:19:21 · 6 answers · asked by tamdayash 1

The first correct ans gets 10 points

2007-09-13 06:15:11 · 2 answers · asked by sarjan_sarge 3