Mathematics - 23 December 2007

4x over 2 minus1 =6x over 2 minus 4

2007-12-23 14:24:04 · 8 answers · asked by PunkCabaret 2

2007-12-23 14:17:20 · 16 answers · asked by Zelda Hunter 7

Factor completely:
1.) 2asquare + 2a - 84
2.) 6axsquare - 24aysquare

Explain and thankyou

2007-12-23 13:49:22 · 9 answers · asked by John T 1

2007-12-23 13:43:04 · 9 answers · asked by Mouzna S 1

i need to know
my cousin says: 200,000
i says:2,000,000
my dad says:20,000
my mom says:20,000,000
and my lil sis say:20
which i know she is wrong but i need to know what is it please help!!!!

2007-12-23 13:40:26 · 12 answers · asked by shanyell h 1

2007-12-23 13:34:16 · 6 answers · asked by Latoya G 1

2007-12-23 13:33:46 · 12 answers · asked by Alisha P 2

Pseudo code for the Euclid's algoritm fo finding the gcd(m,n) using subtraction........

2007-12-23 13:30:24 · 2 answers · asked by Ammu 2

Can you show them apart so that I know which is which. I appreciate it soooo much!

First one is:

(r-5s+4) + (8r+4s) +(s+7)

Second one is:

(x to the fourth - 12x to the second +35) Divided by (x to the second - 7)

THANK YOU!!

2007-12-23 12:43:35 · 9 answers · asked by Tank 2

f(x) = 2x^2 - x + 3

f ( -a) =

i got this for an answer -2a^2 + a + 3

but the book says im wrong and the (-2a^2) has to be a positive.... why is that ?

2007-12-23 12:22:05 · 15 answers · asked by Anonymous

28/100 COVERTED INTO A DECIMAL?

Is 3.671 <>or = to 3.67?

0.368 < > or = to 0.3680

2007-12-23 12:14:22 · 13 answers · asked by Flyyasever 3

2007-12-23 11:01:09 · 2 answers · asked by No Name 1

i need help with this question. please help me with this.

Assume that f(x)=cos^3x.solve f '(x)=0 for x in the interval [0,2pi]

2007-12-23 10:53:06 · 8 answers · asked by zeze 1

A empty 1 km cube has a potent source of deadly radium at its center. The danger zone is anywhere within 3/4 km. What's the volume of the danger zone inside the cube?

http://answers.yahoo.com/question/index;_ylt=AteE6HasoAEfawqw2Dvk9avpy6IX;_ylv=3?qid=20071223114207AAi1r3l

2007-12-23 10:42:18 · 6 answers · asked by Scythian1950 7

1) 1-16-13-11-6

2) 4-8-4-1-3

3) 3-13-8-15-18

choose a number and briefly explain why
i just want to compare my answers.
best answer will be awarded to the best logician

2007-12-23 10:39:24 · 4 answers · asked by Anonymous

Find the answer to the following problem. please explain your answer.

In the hot afternoon sun, Dave walked outside to a large shade tree. Standing beside the tree, Dave who is 5 feet 6 inches tall casts a shadow 12 feet long. The tree casts a shadow 28 feet longer than Dave’s shadow. How much taller than Dave is the tree? Your answer should be given in the form of feet and inches.

2007-12-23 10:39:09 · 13 answers · asked by Anonymous

i need help with this question. please help me with this.

Assume that f(x)=cos^2x.solve f '(x)=0 for x in the interval [0,2pi]

2007-12-23 10:22:35 · 4 answers · asked by zeze 1

2007-12-23 09:48:42 · 3 answers · asked by Anonymous

You take the exponent and bring it down in front of the X and then......I can't remember. I think you subtract 1 from the exponent or something.

2007-12-23 09:42:08 · 9 answers · asked by Anonymous

a cyclist, riding steadily from his hometown, reached his destination in 4 1/2 hours. he would have taken 45 minutes less time if he had ridden his bicycle at a speed faster by 3 km/h. find the distance from his hometown to his destination. & also, tell me every step you did to get to the answer. thanks.

2007-12-23 09:41:27 · 5 answers · asked by Withme989 1

I need to find the limit as x--> infinity of cosx/3x, When I look at the graph I see that the function is obviously periodic and oscilates between higher and higher values of y the further you get from the origin in either dirrection. How can I use the squeeze theorem to find the limit of cosx/3x as x goes to infinity?

2007-12-23 09:12:26 · 5 answers · asked by Anonymous

I am looking to purchase with a friend an 18 acre field, and we will own half each. Although we will share it, we want to divide it exactly in half with fencing in case of any future problems. the field is an irregular shape, although all the fence lines are straight. We would like to divide it with one straight fence. How do we work out where to put it?

2007-12-23 08:45:56 · 12 answers · asked by florayg 5

2007-12-23 08:32:46 · 4 answers · asked by Hayabusa 3

1. What is 9% of 30?

2. What is 25% of 312?

3. What percent of 9 is 3?

4. What percent of 3 is 9?

5. A car dealer makes an 8% commission on each car she sells. How much does she make on a $40,000 sale?

6. During a telephone survey, 320 people, or 25% of those called, said they were listening to the same station at the time of the call. How many people were called?

2007-12-23 07:41:39 · 6 answers · asked by Anonymous

1. 3x^2 - 2y^4 + 3xy^2
a. 1
b. 2
c. 3
d. 4

2. 4x^2y
a. 1
b. 2
c. 3
d. 4

2007-12-23 07:31:29 · 7 answers · asked by Anonymous

Heres the situation:
at Walmart a package of steaks that weighs 3.47 lbs. is originally $5.22 per pound, which means that original price is $18.11 for the package of steaks. A customer want to do a price comparison with a price from a competitor. The new price is $2.47 per pound. How much should the steaks cost now?

2007-12-23 07:16:56 · 3 answers · asked by Jenny 3

Prove that:

Int (limits a,0) f(x) dx = Int (limits a,0) f(a-x) dx

a is the top limit, 0 is the bottom limit.

I know this is true but how is the proof written... thanks.

2007-12-23 07:13:26 · 3 answers · asked by ndavos 2

y = e^x +2

the answer is y = ln x - 2 but how do you get the answer and work it out?

2007-12-23 07:09:31 · 6 answers · asked by sharizzle 1

A circle has a centre (-1,4) and radius √12. A line is drawn through point P (4,6) so that it touches the circle C at point T. Show that PT=√20

Thank you!

2007-12-23 06:53:34 · 4 answers · asked by Anonymous

2007-12-23 06:49:40 · 5 answers · asked by blue_eyed_woman_23 3