Mathematics - 2 September 2007

2007-09-02 17:36:15 · 3 answers · asked by Jen 4

Y=X, Y=X^(.5) rotate about x=2
Find the volume...

given answering is 8pi/15
however I keep getting -7pi/15

Thanks for much for help !

2007-09-02 17:26:48 · 4 answers · asked by edbiology 1

2007-09-02 17:25:28 · 6 answers · asked by Anonymous

How do I multiplication with the hundreds and thousands? How do I do long division? How do I add, subtract, multiply, and divide fractions? What's algebra? How do I do mixed numbers, and negative fractions? How do I change a mixed number to a negative fraction and back? What else is good for middle school math? Please explain these things and anything else i should know?

2007-09-02 17:23:46 · 7 answers · asked by soncho 1

what is the domain of the following functions

g(x) = 1 - 2x^2

s(y) = 3y/ y+5

f(t) = cubed root of t + 4

f(x)= x-4/square root of x

2007-09-02 17:19:45 · 1 answers · asked by josh h 3

2007-09-02 17:16:41 · 14 answers · asked by vijaya s 1

I am trying to learn how its done but every direction I read is like "what the hell are they trying to tell me... i dont speak euclidean." (don't know how that is spelled sorry)... any advice?

2007-09-02 17:16:33 · 7 answers · asked by h k 2

2007-09-02 17:08:14 · 3 answers · asked by Anonymous

(abstract algebra)

2007-09-02 17:04:32 · 2 answers · asked by adviceappreciated 2

Afurniture company finds that it costs $2200 to make 100 chairs in one day and $4800 to make 300 chairs in one day.

A. express the cost as a funtion of the number of chairs produced, assuming that it is linear.

B. what is the slope and what does it represent?

C. what is the y intercept and what does it represent?

is this a piecewise graph??

2007-09-02 17:01:39 · 3 answers · asked by smarin1987 2

2007-09-02 17:01:24 · 3 answers · asked by shellbsings 1

Simplify:
cubed root of 135x^4y^13

2007-09-02 17:00:21 · 5 answers · asked by IN0C3NT 2

2007-09-02 16:54:35 · 3 answers · asked by goodfatadded 1

2007-09-02 16:49:37 · 3 answers · asked by Anonymous

It starts with W and it's diagonal to T. X is diagonal to Q. R is diagonal to S, V is diagonal to O. I am not sure what my instructor is asking me to do.

2007-09-02 16:45:51 · 5 answers · asked by Jen 4

2007-09-02 16:41:45 · 5 answers · asked by Anonymous

A. -|-10|
B. |10|
C. -(-10)
D. |-10|

2007-09-02 16:28:41 · 13 answers · asked by Anonymous

divide and simplify

1) d+2 7d+14
___ / ______
d-8 d-3

2) v^2-64 v-8
_____ / ___
81v+648 72

3) 3x^2-23x+14 21x^2-20x+4
__________ / __________
3x^2+7x-6 7x^2+19x-6

2007-09-02 16:28:18 · 5 answers · asked by Lucy 1

Say you can use the numbers 1,2,3,4,5 once, and in the format of _ _ X _ _ _ where the underscores are numbers. Is it possible to find out the lowest possible product without guessing and checking? I believe it is 13 X 245, but i just want to be able to apply a rule to other numbers as well.

2007-09-02 16:26:43 · 5 answers · asked by frogster99 2

4, 12,,8,16,12 ....

2007-09-02 16:23:45 · 7 answers · asked by sgregory0020@verizon.net 1

do the following equations represents y as a function of x
absolute value of y = 4-x
y=-75

2007-09-02 16:20:14 · 2 answers · asked by josh h 3

Ok so I tried playing with different identities but I can't figure this one out. Can somebody help me? Thanks!

Find x, -infinity < X < infinity (again don't know how to do symbols).

2007-09-02 16:15:04 · 5 answers · asked by Kate 3

l9-xl if x<9

i've been wreckin my brain tryin to solve this prob. it have something to do with neg and pos rules. and this is a precal problem.

2007-09-02 16:14:03 · 2 answers · asked by icygurl259 1

There are 156 fish inside a pond. 50 out of those 156 fish were caught and tagged with a tracking device. What percentage of fish in the pond are now tagged?

2. If 50 of the fish in the pond have been tagged and you catch a fish, what is the probability that it is a tagged fish? If you catch 100 fish how many would you estimate would be tagged fishes?

2007-09-02 15:26:21 · 4 answers · asked by Anonymous

Hello...can someone help me with this hw problem? "An airplane is flying at a speed of 300 mph at an altitude of one mile and passes directly over a radar station at time t=0....express the horizontal distance that the plane has flown as a function of t...express the distance s between the plane and radar station as a function of d. Thanks!

2007-09-02 15:22:13 · 4 answers · asked by stars_sun_sky 1

True or false?

2007-09-02 15:19:16 · 29 answers · asked by Hosgus™ 2

Can anyone explain how to do this. I would be very very happy. Thank you.

2007-09-02 15:18:14 · 4 answers · asked by alex a 3

I completely forgot how to factor and it seems like looking it up online doesn't help. Can someone guide me through this step by step?

2007-09-02 14:49:56 · 8 answers · asked by Answwr 2

the end points of the diameter are at -4,-1 and 0,-4 anyone know how to find the equation of the circle or at least find the center and radius?

2007-09-02 14:36:25 · 6 answers · asked by Anonymous

2007-09-02 14:25:52 · 7 answers · asked by Shane S 1