Mathematics - 29 July 2006

the area of a trapezoid is equal to half of the peoduct of the height and sum of the bases. rewrite the expression isolating one of the bases

2006-07-29 13:39:28 · 7 answers · asked by Ruben m 1

the x axis through 180 degrees.

2006-07-29 13:34:33 · 3 answers · asked by barbara h 1

A person has his own coach&. Whenever he goes to railway station he takes his coach. One day he was supposed to reach the railway station at 5 O'clock. But he finished his work early and reached at 3 O'clock. Then he rung up his residence and asked to send the coach immediately. He came to know that the coach has left just now to the railway station. He thought that the coach has left just now to the railway station. He thought that he should not waste his time and started moving towards his residence at the speed of 3 miles/hr. On the way, he gets the coach and reaches home at 6 o'clock. How far is his residence from railway station

2006-07-29 11:42:53 · 8 answers · asked by Anonymous

6n^4-33n^3+16n^2+5n-55/n-5

can any one explain what this means

2006-07-29 11:32:58 · 9 answers · asked by Anonymous

synthetic division


And also how to solve rational expressions IM me to help thank you

2006-07-29 11:30:29 · 9 answers · asked by Anonymous

(√7+3)² = (r² -2)r² * cos(2Π/3) I have an answer, I just want to check my work against yours.

2006-07-29 11:21:28 · 3 answers · asked by Rockstar 6

2006-07-29 11:18:41 · 2 answers · asked by trislena 2

If Σan is a convergent series of nonnegative terms, what can be said about Σ(n)a(n) and Σa(n) a(n+1)?

2006-07-29 10:58:31 · 3 answers · asked by thekorean2000 4

I like answer math question, but I can't seem to be able to put necessary symbols like the radical sign or the +or- sign and what not into the area that is need to be written in. Where can I get them from so I can add them in my answer with out using words?

2006-07-29 10:50:52 · 8 answers · asked by livingall_4_god 2

2006-07-29 10:22:54 · 13 answers · asked by gorillaheadquarters1 1

1)an internet company sells cds for $10 and cassettes for $8. in one hour they sold eight times as many cds cassettes. if their sales toatled $704, hom many cds did they sell?

2)In the year 2010, 6.7% of the us population is projected to be under the age 5. If the Population will be about 298 million, about hom many people will be in this age range. Round your answer to the nearest ten thousand.

2006-07-29 10:10:56 · 10 answers · asked by schoolboi_000 1

A Bag contains 6 red Marbles, 9 blue marbles and 5 green marble. you withdraw one marble, replace it, and then withdraw another marble. what is the probability that you do not pick two green marbles?

2006-07-29 10:03:15 · 7 answers · asked by schoolboi_000 1

it is a sideways oval and it has a slash through it.
0-but sideways /-exactly

2006-07-29 10:03:06 · 16 answers · asked by Anonymous

Solve: 4/x² - 2x- 3 = [-x/x-3] [-1/x+1]

2006-07-29 09:57:46 · 4 answers · asked by sabrina s 2

use multiplication to find the number of possible outcomes for a choice of black,brown,blue or white pants with a choice of a white,blue or red shirt [12,10,7 or 6?

2006-07-29 09:56:52 · 5 answers · asked by debora b 1

2006-07-29 09:56:18 · 6 answers · asked by spottedzebra 2

do you see any mistakes in this?
lets start with the probability of an event (any event) occuring,
we will call this probability p

then, it follows, that the probability of this event NOT occuring is (1-p)

probabilities of independent events multiply, so the chance that this event does not occur in N independent trials is (1-p)^n

and, then the probability that this event WILL occur in at least one of those N trials is 1-(1-p)^n


the interesting part comes now, when we set the probability of the event occuring to ZERO, but give it an infinite number of chances.
logic would tell you that if an event has zero probability-absoulutely no chance of ever occuring, then it will never happen, no matter how long you wait. it is impossible.

or is it?

Using the probability equations found above to calculate this strange scenario, you need to take the limit of the expression as p approaches zero and n approaches infinity. the equation becomes

2006-07-29 09:51:57 · 9 answers · asked by me 4

Sketch the graph of the function y = 3x^2 – 30x + 5.
What are the domain and range of the function?
What are the x-intercepts? Approximate to two decimal places.

a. domain = [–70, ∞); range = (–∞, ∞);
x-intercepts: points (9.97, 0) and (0.10, 0)

b. domain = (–∞, ∞); range = [–70, ∞);
x-intercepts: none

c. domain = [–70, ∞); range = (–∞, ∞);
x-intercepts: points (9.83, 0) and (0.17, 0)

d. domain = (–∞, ∞); range = [–70, ∞);
x-intercepts: points (9.83, 0) and (0.17, 0)

2006-07-29 09:39:14 · 5 answers · asked by Brandon ツ 3

Sketch the graph of the function y = –(3/8)x^2 + 8.
What are the domain and range of the function?
What are the x-intercepts? Approximate to two decimal places.



ANSWERS:

a. domain = (–∞, ∞); range = (–∞, 8];
x-intercepts: points (–4.62, 0) and (4.62, 0)

b. domain = (–∞, ∞); range = (–∞, 8];
x-intercepts: none

c. domain = (–∞, 8]; range = (–∞, ∞);
x-intercepts: points (–4.62, 0) and (4.62, 0)

d. domain = (–∞, 8]; range = (–∞, ∞);
x-intercepts: points (–1.63, 0) and (1.63, 0)

2006-07-29 09:37:09 · 6 answers · asked by Brandon ツ 3

Solve: 4/x^2-2x-3 = [-x/x-3] [-1/x+1]
I have:
Step 1: 4/(x+1) (x-3) = [-x/(x-3)] [-1/(x+1)]
Step 2: 4/(x+1) (x-3) ÷ (x+1) (x-3)
Step 3: [-x/(x-3)] [-1/(x+1)] ÷ (x+1) (x-3)
Step4: 4 = [-x (x+1)] - [1(x-3)]
Step 5: 4 = -x² - 1x – 1x + 3
Step 6: 4 = - x² - 2x + 3
Step 7: x² + 2x + 1 = 0
Ok where did I goof up?

2006-07-29 09:30:10 · 4 answers · asked by sabrina s 2

The first person to give the right answer gets the points.

2006-07-29 09:06:30 · 22 answers · asked by Anonymous

a. 3 < x < 5

b. –3 < x < 5

c. –5 < x < 3

d. –3 > x > 5

2006-07-29 08:27:04 · 7 answers · asked by Brandon ツ 3

Sketch the graph of the function y = 2x2 – 6.

What are the domain and range of the function?

What are the x-intercepts?


a. domain = [0, ∞); range = [–6, ∞);
x-intercepts: points (+or- sqrt(3),0)

b. domain = (–∞, ∞); range = [–6, ∞);
x-intercepts: none

c. domain = (–∞, ∞); range = [–6, ∞);
x-intercepts: points (+or- sqrt(3),0)

d. domain = [–12, ∞); range = (–∞, ∞);
x-intercepts: points (+or- sqrt(3),0)

2006-07-29 08:25:13 · 7 answers · asked by Brandon ツ 3

Sketch the graph of the function y = –x2 – 20x – 3.

What are the domain and range of the function?

What are the x-intercepts? Approximate to two decimal places.


a. domain = [–30, ∞); range = (–∞, ∞);
x-intercepts: none

b. domain = (–∞, ∞); range = (–∞, 97];
x-intercepts: points (–0.16, 0) and (–19.85, 0)

c. domain = [–30, ∞); range = (–∞, ∞);
x-intercept: point (–0.16, 0)

d. domain = (–∞, ∞); range = (–∞, 97];
x-intercept: point (–0.16, 0)

2006-07-29 08:21:01 · 6 answers · asked by Brandon ツ 3

2006-07-29 08:19:37 · 13 answers · asked by Duct Girlie 2

2006-07-29 08:18:38 · 4 answers · asked by Brandon ツ 3

2006-07-29 08:17:46 · 6 answers · asked by Brandon ツ 3

how can i integrate Sec(x)/2 and cosec(x)/2 ? explain me.

2006-07-29 08:08:27 · 3 answers · asked by star123 2

log x 5= -1/3

2006-07-29 07:50:54 · 9 answers · asked by scatteredmonroe 1

How to integrate "dx/5+x^(2)" and "dx/(x)^2-(2)^2".Here two problems and both are indefinite integrals.Give answer with explaination.

2006-07-29 06:36:53 · 3 answers · asked by star123 2