Mathematics - 11 September 2006

tell me the defenition!

2006-09-11 23:18:44 · 5 answers · asked by cutiepieallie11 2

2006-09-11 22:09:54 · 10 answers · asked by RAJAT 1

2006-09-11 20:49:59 · 4 answers · asked by abalo 1

whats a way to solve system of equations using matrices?

2006-09-11 19:05:45 · 6 answers · asked by ? 4

2006-09-11 19:00:21 · 9 answers · asked by ttybrs10 1

2006-09-11 18:58:15 · 5 answers · asked by ttybrs10 1

2006-09-11 18:56:27 · 7 answers · asked by ttybrs10 1

I'm trying to compare resolution of 520 TV lines and 720*480, Does anyone know which one is better?

2006-09-11 18:55:50 · 3 answers · asked by edwzone 1

This tells use there is a quadratic with no real roots. So by moving the function down (by k) until it touches the x-axis (4 zeros shown (multiplicity of 2) )or the turning point is below the x-axis (5 zeros shown) you have created a function that one can see all roots. When you move the function down all the zeros will be moved also.

Can someone explain to me more briefly on that statement above, give me an example if you can so it will be more clearer.

2006-09-11 18:51:29 · 3 answers · asked by ? 1

1.Find the mean and the standard deviation of this set of data.
24, 25, 15, 19, 17
2. Make up a set of five data items that has the same mean as the data set in question 1 but has a smaller standard deviation
3. Make up a set of five data items that has the same mean as the data set in Question 1 but has a larger standard deviation
4.Make up a set of data items that has the same standard deviation as the data set in question 1 but has a different mean.

2006-09-11 18:30:06 · 7 answers · asked by sonovabeeech 1

PLEASE HELP ME WITH HOMEWORK!

2006-09-11 18:27:05 · 6 answers · asked by Anonymous

2006-09-11 18:18:24 · 6 answers · asked by harry 1

3x(x) - (3.14(4)3x-2)

2006-09-11 18:18:24 · 4 answers · asked by sonovabeeech 1

I know pi is approximated by 22/7. This is merely an approximation, a rather innacurate one at that. I know that you can use several identities such as A=pir^2 or circum=2pir etc.

My question is, how do computers calculate pi to a zillion decimals? Do they calculate a circle, measure the circumference and divide by 2r? Or do they use a specific algorithm? This has always intrigued me. I take my Ti85 for granted too much I guess.

2006-09-11 18:14:00 · 7 answers · asked by managuense 1

ok so i have ( -13, 9) (12, 5) i figured out the slope which is -4
so is y = -4 (x) + (-43) idk it doesnt look right

2006-09-11 17:48:23 · 3 answers · asked by spongebob12121212 1

In a two-child family, one child is a boy. What is the probability that the other child is a girl? I know that the answer is 2/3, but can someone plz explain this using the conditional probability formula P(B|A)= P(A and B) / P(A). given that event A is having a boy.

2006-09-11 17:46:54 · 6 answers · asked by Anonymous

I need help with just one more thing. My Math teacher assigned this work sheet for home Work ... but did not give any directions. So if you can tell me the answer to this question I will be able to finish the page.
Write an equivalent expression. Use the indicated expression for 1.

y over 10 Use z over z for 1

2006-09-11 17:44:57 · 7 answers · asked by Cordy 2

the perimeter of a rectangle must be greater than 16 cm, let x represent the length of the rectangle. let y represent the width. write and graph the inequality that descripes the different lengths and widths of the rectangle.
how do you graph it?

2006-09-11 17:39:49 · 8 answers · asked by sonovabeeech 1

I need help with that!!

2006-09-11 17:25:40 · 23 answers · asked by hmw95 3

Alright... I am confused with these numbers, (0,0) (-10, 10) ok i figured out the slope which i think is -1....so y= -1(x) is that right?

2006-09-11 17:24:21 · 8 answers · asked by spongebob12121212 1

How is pi considered a letter? let alone a lowercase letter.

2006-09-11 17:22:38 · 4 answers · asked by newyorktocountry 2

2006-09-11 17:20:56 · 7 answers · asked by michael m 2

2006-09-11 17:18:31 · 4 answers · asked by free aung san su kyi forthwith 2

2006-09-11 17:17:40 · 8 answers · asked by michael m 2

2006-09-11 17:15:07 · 6 answers · asked by Danny 1

2006-09-11 17:09:40 · 6 answers · asked by michael m 2

y= -3|1/9x + 5| -5
the coordinates: (x,y) values

2006-09-11 17:06:53 · 3 answers · asked by Anonymous

for constant = y=3
for identity = y=x
for quadratic = y=x^2
for cubic = y=x^3
for absolute value = y=|x|
for square root = y=√x
for reciprocal (odd power) = y=1/x
for reciprocal (even power) = y=1/x^2
for exponential (x>1) = y=10^x
for exponential (x<1) = y=10^x
for logarithmic (common) = y=log x
for logarithmic (natural) = y=ln x
and no, this isn't my homework. I know that Xs and Ys are supposed to switch...but then I don't know how to work from there. Do all these parent functions even have inverses (all)? Help please, I'm trying to understand something here. Work is appreciated!

2006-09-11 16:58:33 · 3 answers · asked by Anonymous

2006-09-11 16:58:23 · 8 answers · asked by Lilly 1

Can someone help me with this problem? I will give 10 points to the person who gives the most clear response.

Suppose that in a population growing according to the logistic growth model, we have P5= 10/28 and P6= 20/28. Find r.

2006-09-11 16:55:29 · 3 answers · asked by Ryan H 2