Mathematics - 25 July 2007

I just need explanations of these problems.

1. Two greyhounds are casing a rabbit that has a 90 rabbit-jump start. While the rabbit jumps 10, the greyhounds jumps 7, but the length of two jumps of the greyhound equals the length of 5 rabbit- jumps. In how many jumps do the greyhounds catch the rabbit?

2. The price of 10 pounds of apples is d dollars. If the apple weighs an average 1 pounds for every 6 apples, which of the following is the average price, in cents, of a dozen such apples?
A) 20d
B) (50d)/3
C) 5d
D) (5d)/3
E) d/20

3. To make an orange dye, 3 parts of red dye are mixed with 2 parts of yellow dye. To make a green dye, 2 parts of blue dye are mixed with 1 part of yellow dye. If equal amounts of green and orange dye are mixed, what is the proportion of yellow bye in the new mixture?
A) 3/16
B) 1/4
C)11/30
D) 3/8
E) 7/12

2007-07-25 09:29:23 · 1 answers · asked by Anthony W 2

_5_ indicates 5 as a sub-number. ^2^ indicates 2 as a power-number. In this case, the following equation would read: log base 5 of x-squared = the square of log base 5 of x.


log_5_(x^2^) = [log_5_(x)]^2^

Solve for x. I cannot do it, I admit defeat.

2007-07-25 09:24:48 · 3 answers · asked by Anonymous

I need to know where to start when doing a logical Proof.
such as this one
c (horseshoe) (~L(horseshoe)Q)
L (horseshoe)~C
~Q /~c


I need help my grade depends upon this

2007-07-25 09:22:39 · 3 answers · asked by Van flyhieght 1

2007-07-25 09:20:53 · 6 answers · asked by datfreshness 1

1. x²+13x+30=0 2. x²-19x+84=0 3. x²-34x-240=0


4. 2x²+15x-108=0 5. 9x²-9x=28 6. 18x²-57x= -35

2007-07-25 09:11:14 · 4 answers · asked by chaulito 1

I'm a little rusty with integration by parts. I'm able to do the first half of this problem. Here's what i have so far:

u = arcsin x; dv = dx; du = 1/√(1-x²) dx; v = x, so

∫ u dv = uv - ∫ v du
∫ arcsin(x) dx = x*arcsin(x) - ∫ x/√(1-x²) dx
The second integral ∫ x / √(1-x²) dx is where I'm lost. Can someone continue with this integral?

2007-07-25 09:04:44 · 5 answers · asked by MathGuy 6

x^6+x^5+x^2+x+2/
x^3+x^2+1

2007-07-25 08:53:16 · 3 answers · asked by Anonymous

2007-07-25 08:52:20 · 7 answers · asked by Anonymous

2007-07-25 07:53:11 · 10 answers · asked by naldo0385 1

2007-07-25 07:51:09 · 8 answers · asked by naldo0385 1

For example, my birthday is July 26, 1977. My half-brother's birthday is April 26, 1995. What are the odds of two people, related or not, being born on the 26th day of any month?

2007-07-25 07:48:49 · 17 answers · asked by spacebarshift2003 1

Suppose you could spend $10 every minute, night and day.
How much could you spend in a year? (Assume there are
365 days in a year.)
I figure the answer is: $5,256,000.

2007-07-25 07:46:57 · 10 answers · asked by Chris 1

2007-07-25 07:29:37 · 7 answers · asked by Anonymous

Example problem

10 degrees = 40 minutes

2007-07-25 07:24:48 · 13 answers · asked by Ms. LAN 1

2007-07-25 07:03:15 · 10 answers · asked by Loving Life 2

3y^2 - 11y - 20

2007-07-25 07:01:41 · 9 answers · asked by chrizzle08 2

2007-07-25 07:00:28 · 11 answers · asked by Anonymous

2007-07-25 06:54:22 · 4 answers · asked by 1love 1

True False the ability of the test to find differences when they, in fact, do not exist.
True False the ability of a test to find real differences when they exist
True False the strength of your conclusions from the statistical test.
True False the ability of the test to reject the null hypothesis when the null hypothesis is false.

2007-07-25 06:51:49 · 2 answers · asked by Anonymous

hoe much is 2- 15/2
and 15/2 - 2

thanks!!

2007-07-25 06:47:20 · 17 answers · asked by ISABELLE 2

Complete the statements using
(a) Distributive property
(b) Commutative property of addition
(c) Commutative property of multiplication

1. 6*(5+6)=

2. 5+(6+7)=5+(7+6)

3. 4*(3+2)=(3+2)*4

2007-07-25 06:44:03 · 8 answers · asked by ray 1

This is probably easy but I can't find it in the book anywhere. Can someone please help. Thanks

2007-07-25 06:43:06 · 5 answers · asked by Josh 1

Measure the length of the diagonal of your computer monitor to the nearest tenth of a centimeter or sixteenth of an inch. Measure the width of your monitor as well.

Use Pythagorean theorem to find the horizontal length of your monitor.

2007-07-25 06:41:41 · 6 answers · asked by DEE H 1

probability that both gumdrops will be orange?

the answer is 1/3 .

is this found through the choose formula (nCr)? & can you show your work so i can understand it better? i forgot how to solve this

2007-07-25 06:38:25 · 7 answers · asked by azngirlzda1 2

I don't remember the quick way of solving this. does it have to do with the nCr formula? i think there's another way besides drawing out the possibilities

2007-07-25 06:33:34 · 4 answers · asked by azngirlzda1 2

a section in a stadium has 20 seats in the first row, 23 seats in the second row increasing by 3 seats each row for a total of 38 rows. how many seats are in this section of the stadium.

2007-07-25 06:14:35 · 9 answers · asked by jessie0420 2

1) √12
√48
2)√5
√80
3) √12
√156
4) √7
√63
(The top surd divide by the bottom one)
I know how to rationalise the denominator of simple surds but these are the difficult ones.
Could someone please help and explain how they got to the final answer.
Thank you

2007-07-25 06:12:57 · 3 answers · asked by Anonymous

18x^5y^4 + 9x^3y^2 - 3xy
----------------------------------
3xy

2007-07-25 06:11:59 · 10 answers · asked by Anonymous

the question has a graph at link below. i only need 62.
http://i208.photobucket.com/albums/bb84/samara0420/62.jpg

2007-07-25 05:45:18 · 3 answers · asked by Anonymous

A piggy bank contains TWENTY coints with a total value of $2.80. The coins are NICKELS and QUARTERS. How many NICKELS are in the piggy bank?

2007-07-25 05:44:43 · 10 answers · asked by Anonymous