Mathematics - 19 July 2007

2007-07-19 07:08:07 · 4 answers · asked by E 1

3√2x * 3√4x^2y^2 * 3√2y4
I don't understand this. The 3 are all cubic square root, help with this will be very much appreciated.
Thank you, in advance.

2007-07-19 07:04:48 · 4 answers · asked by jumba 1

The vertices of triangle ABC are A(1,2), B(3,1), and C(0,-1). Find the coordinates of the circumcenter

2007-07-19 06:19:44 · 5 answers · asked by confused 3

- (0,0) (A,0) ( A+B,C) (B,C)
-(0,0) (A,0) (A,B) (-A,B)
-(0,0) (2A,O) (A,B) (-2A,B)
(0,0) (A,0) (A-B,C) (B,C)
please help me and show me how you found the answer

2007-07-19 06:11:52 · 3 answers · asked by Anonymous

(i√7)^2
how do i go about to solve this? kindly show all steps, so i can understand this.
thank you for the help.

2007-07-19 06:10:19 · 10 answers · asked by Anonymous

In madras, temperature at noon varies according to t^2/3 + 4t + 12, where t is elapsed time. Find how much tem more or less in 6 pm to 8 pm.(not exactly 6 and 9 but other values are given.. remember " -" sign was not there before t)

2007-07-19 06:07:21 · 1 answers · asked by snazzy 2

7)A power unit is there by the bank of the river of 900 mtr width. a cable is made from power unit to power a plant opposite to that of the river and 3000 mtr away from the power unit. The cost of the cable bellows water Rs5 / mtr and cost of cable on the bank is Rs 4/ mtr. Find the pt where the cable cut through the river.

2007-07-19 06:03:05 · 1 answers · asked by snazzy 2

In triangle ABC, D is the centroid and M is the midpoint of segment AC.
If BD = x + 9 and DM = 6, find MB

2007-07-19 06:00:39 · 2 answers · asked by confused 3

√(-4*-9)
how do i solve this? showing all steps will be very helpful for me to understand. thank you.

2007-07-19 05:58:49 · 2 answers · asked by jumba 1

how do you do these??

1.(1/2){ln (x^2) - ln y^4}
2.ln c - 2ln d

2007-07-19 05:51:40 · 3 answers · asked by lushay 2

I'm trying to figure out what ³√x^2 is but first what is ³√x?

2007-07-19 05:39:04 · 8 answers · asked by sky l 1

..

Note: Cardinal Numbers: 1, 2, 3, etc., etc.,

2007-07-19 05:36:10 · 7 answers · asked by Anonymous

I need an explanation of perpendicular slopes. if a line that is slope is m, why is its perpendicular line slope -1/m ? Why is it oppisite or the reciprical?

2007-07-19 05:36:08 · 3 answers · asked by dnbozo 1

..

Cardinal Numbers: 1, 2, 3 etc etc

2007-07-19 05:32:08 · 6 answers · asked by Anonymous

I am looking at a study maual and have come upon multiplication of fractions and i just cant remember how to do it. The fractions to multiply are 10/9*3/4*8/15. How do i do this. I know there has to be some reducing either vertically or diangonally but i dont know how. Can someone please explain this in detail.

2007-07-19 05:29:21 · 4 answers · asked by Lou 1

A sports goods store owner bought a quantity of basketballs for $750. Through a special discount from the manufacturer he is told he can get 10 extra basketballs and save $15 off the price of each ball while still spending $750.
Answer the following questions based on the above information:

What two variables is the original cost of $750 based on?

Write a let statement for each variable
Let x be………..
Let y be………..

Write an equation for the total cost of the balls after the manufacturers discount.

2007-07-19 05:27:24 · 3 answers · asked by Anonymous

2007-07-19 05:14:04 · 10 answers · asked by group_leader_100 1

x^y
x^(1/2)
x^(1/3)
(x+y)/z
y*z
a-b
a+b
a/b=c/d

I don't speak English very well that's why I'm asking

2007-07-19 04:14:49 · 13 answers · asked by Anonymous

use factortheorem to verify in the question that q(x) is a factor of p(x).
Factor Theorem
x-a is a factor of polynomial p(x) if p(a) = 0.

2007-07-19 04:07:02 · 14 answers · asked by rishabh g 1

please only math wiz only.

2007-07-19 04:03:08 · 12 answers · asked by Anonymous

1) Express f(x)=x²-4x+8 in the form (x-p)²+q. Deduce that
f(x)>0 for all x E IR.

2) Find the set of values of a where ax²+3x+4 is positive for all real values of x.

3) Show that the expression -x²+px-q is negative for all real values of x if q > 1/4 p²

2007-07-19 03:51:41 · 6 answers · asked by aMused 2

A dog and cat together weigh 27 Kg. If the dog's weight is an odd number, and if he weighs twice as much as she does, how much does each weigh?

2007-07-19 03:47:46 · 6 answers · asked by Blur 1

A distribution of IQ scores have a mean of 100 and standard deviation of 15. (Normal distribution)

A. What's the probability a student has IQ of 90 or less?
B. IQ of 120 or less?
C. IQ between 120 and 90?
D. IQ greater than 130?

Please show examples.

2007-07-19 03:29:51 · 3 answers · asked by Dr. J 1

Lemme give an example. The points W(-2,7), J(3,5), and M(-6,8) are vertices of a triangle. Find the interior angles.

-> And my QUESTION is:
Right we have to try to plot the points first in the Cartesian plane, before we graph on how the triangle would look like? Eh... Our teacher insists that the positions of the points don't matter in arriving at the right answer, but it does matter... =D

2007-07-19 03:28:53 · 5 answers · asked by :) 3

on the graph I have, there is a point on 3000 $'s and the year 1.
There is another point on 32000 $'s and the year 2. The last point is on 34000 $'s and the year 3.
Does this help?

2007-07-19 03:28:14 · 2 answers · asked by yuleydis77 1

2007-07-19 03:28:12 · 5 answers · asked by jj_fans 1

Please,please!

2007-07-19 03:18:15 · 9 answers · asked by Anonymous

How many times can 1/3 be taken from 1.5

2007-07-19 03:16:16 · 13 answers · asked by Anonymous

7
Σ (i^2 + i)
i=3

i would not know how to find the answer unless i wrote it all out. (3^2 + 3) + (4^2 + 4) + .... (7^2 + 4) = sum

what I do know that if the problem were i=1 instead of 3..I would just use the formulas for i^2 and i

n(n+1)(2n+1)/6 and n(n+1)/3

would i still somehow be able to use these formulas to answer this problem?

2007-07-19 03:12:10 · 4 answers · asked by sky l 1

I want to write a program by computer to simplyfie numeratour and denamerator which is key in by user for example 40/8 how can I delighten computer that simplyfy 12/3 or any other number
40/5,60/3 etc I need a formula for doing this THX

2007-07-19 03:10:18 · 8 answers · asked by Anonymous