Mathematics - 9 June 2007

A piece of string is cut into two at a point selected at random. Fing the probability that the longer part is at least 5 times as long as the shorter part.

2007-06-09 23:05:53 · 2 answers · asked by Alex W 1

2007-06-09 23:03:56 · 3 answers · asked by angelyn 2

2007-06-09 22:52:45 · 5 answers · asked by teokz2002 1

A tortoise makes a journey in two parts; it can either walk at 4cm/s or crawl at 3 cm/s. If the tortoise walks the first part and crawls the second, it takes 110 seconds. If it crawls the first part and walks the second, it takes 100 seconds. Find the lengths of the two parts of the journey.

2007-06-09 22:17:17 · 5 answers · asked by Kris 1

2007-06-09 22:10:22 · 4 answers · asked by Kaiaser 1

hey guys, ive got a math question. its integration, it goes like this
∫ f(x) dx, from 4 to 8,
f(x) = ln(9-x) / [ln(9-x)+ln(3+x)]
plz answer as soon as possible!!! lol

2007-06-09 22:04:04 · 2 answers · asked by Anonymous

2007-06-09 21:00:48 · 1 answers · asked by chol B 1

Do you think my teacher will pass me? She usually gives like 3 or four extra points, I am just really nervous that she won't... if she is usually decent with grades, do you think she will give me .34 points to pass?

2007-06-09 20:55:16 · 7 answers · asked by rEaDy4cHaNgE 4

How do u take the derivitive of 8/x^2+4?

2007-06-09 20:40:45 · 4 answers · asked by ♥stacy♥ 3

I had a 59 first trimester, than I brought it up to an 80 second and the last quarter, I dont know what I got, but the lowest you can get is a 55, is there anyway that I can fail for the year?

2007-06-09 20:37:45 · 6 answers · asked by rEaDy4cHaNgE 4

Solve and show answer in lowest terms:

1) (6y -12)/(8) times (4y)/( 3y^2)

2) (12x^2) divided by (4x)/(3)

2007-06-09 20:18:12 · 7 answers · asked by Anonymous

an observer spots 2 planes directly overhead. the angle of elevation from the runway to the planes is 18* and 25*. if the two planes are 300m apart, directly above eachother, calculate the distance from the observer to the runway.

2007-06-09 20:13:36 · 2 answers · asked by Anonymous

I have 2 lines of a problem to understand...

"Bill and his dog walk home from the shopping center. It takes Bill 36 minutes and his dog walks twice as fast ".

when it says "his dog walks twice as fast" .....does it mean dog takes 18 minutes to reach home ?

please clarify

2007-06-09 20:09:17 · 8 answers · asked by calculus 1

Express each fraction as an equivalent fraction in lowest terms:

1) 9x^2y over 27xy^2

2) 3a + 3b over 6

3) 9c^3 - 3c^2 over 9c^4

4) 4xy + 2y over 20xy

2007-06-09 19:55:56 · 3 answers · asked by Anonymous

i have to write a 2 page essay on this topic. so please give me a few exemples , how math is being used

2007-06-09 19:49:00 · 8 answers · asked by Anonymous

2007-06-09 19:45:47 · 4 answers · asked by mardi 1

2007-06-09 19:34:38 · 4 answers · asked by ♥stacy♥ 3

How many sqaure numbers are there below 1000 ?

How do i get it ?


Here i was trying to do this way ...

1,4,9,16,25 ........ upto less than 1000

can we find how many squer numbers are there below 1000 ?

2007-06-09 18:59:30 · 5 answers · asked by calculus 1

2007-06-09 18:38:48 · 4 answers · asked by Anonymous

26+9p=58p round to the nearest hundreth.

2007-06-09 18:18:42 · 4 answers · asked by Griselda R 1

y = 3cos(5x)
y'= -15sin5x

2007-06-09 17:58:00 · 7 answers · asked by Kendra 3

csc^2(θ) / (1 + tan^2(θ) )

2007-06-09 17:56:47 · 7 answers · asked by Ha!! 2

1. Solve by factoring:
x^2 – 6x = -8



2. Solve using the square root property:
2x^2 – 3 = 15



3. Solve using the square root property:
(x + 7)^2 = 81



4. Solve by completing the square:
x^2 + 8x + 2 = 0

2007-06-09 17:36:05 · 6 answers · asked by Anonymous

The 1st quadrant area bound by y=x^2 and y=x+2 is revolved around the vertical axis. What is the volume generated?

2007-06-09 17:34:04 · 4 answers · asked by Anonymous

Dimensions of a horizontal cylindrical tank are as follows: 3 meters diameter and 10 meters long.
Determine the liquid volume in the tank if it is filled up to a level of 1 meter.

2007-06-09 17:31:14 · 2 answers · asked by Anonymous

2007-06-09 17:20:28 · 3 answers · asked by chol B 1

2007-06-09 16:58:12 · 6 answers · asked by Cheat Sum 4

There is a circle, perhaps you place 2 points on anywhere on the side of the circle and connect the points with a line, 2 regioins are formed, and when 3 points are placed and all points are connected to each other 4 regions are formed, so on and so forth to different number of points, what equation can be done here????

2007-06-09 16:38:05 · 5 answers · asked by cydave 1

2007-06-09 16:17:32 · 21 answers · asked by scottswife32 1

I just need a brief explanation

2007-06-09 16:15:16 · 5 answers · asked by lexisayn 1