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Mathematics - 24 September 2006

[Selected]: All categories Science & Mathematics Mathematics

P(a,b) = P(a-b,b) if a>= b and
P(a,b) = a if a < b


it is given that P(a,7) = 4; P(a,11) = 6 and P(a,13) = 3.
Find P(a,17), if ‘a’ is a positive integer between 2000 and 3000.

(1) 6(2) 8 (3) 11 (4) 12

2006-09-24 23:34:10 · 2 answers · asked by Anonymous

and what is the formula to use?

2006-09-24 23:25:44 · 23 answers · asked by Lloyd HOUZ 2

math improvement at schoollevel

2006-09-24 23:17:05 · 19 answers · asked by anusha k 1

my mum was 27 when i was born, 8 years ago she was twice the age i will be in 5 years time, how old am i?

2006-09-24 23:14:08 · 22 answers · asked by Anonymous

i'm trying to find tan(75) using the half-angle identity for tangent, but i'm not quite sure which reference angle to use for it being i don't what sin, cos, tan, are of 75.

2006-09-24 22:50:22 · 4 answers · asked by egyptsprincess07 3

2006-09-24 22:34:37 · 9 answers · asked by yoann_rey 1

Find the value of x.

4^(2x) /8^(x) = 16^(x + 1) / 3^(2x)

Thanks.....

2006-09-24 21:46:44 · 8 answers · asked by Toby T 1

Here,

4^2x / 8^x = 16^x+1 / 3^2x

2006-09-24 21:27:57 · 5 answers · asked by Toby T 1

We have 2 randomly generated no.s A and B between 0 and 1.
We r given only B. and we have to tell weather B > A or B < A.

there r 2 approaches:
1. If B > .5, always say B>A otherwise B
2. Generate another random no. say C, now, if CA otherwise say B
Which approach has high probability to give correct answer and why?

2006-09-24 21:21:44 · 2 answers · asked by Anonymous

Plese someone help me with this proof...i need to know HOW to do it in two day!! Proofs are confusing to me...please help!!

Proof: Prove that if a funtion is increasing on [a,b] then f(x) is one-to-one...use definitions in your proof if possible.

2006-09-24 21:17:48 · 3 answers · asked by Bouncingnoodles 1

2006-09-24 20:23:07 · 22 answers · asked by BravoWon 3

ax^2+bx+c=0.Find the equation with the roots m^2+n^2 and
m^-2+n^-2 with the full method

2006-09-24 20:01:45 · 6 answers · asked by Anonymous

2006-09-24 19:49:05 · 5 answers · asked by taz 1

2006-09-24 19:21:46 · 7 answers · asked by Martin H 1

2006-09-24 19:15:53 · 3 answers · asked by james k 1

Can u tell me the sum of
1^2007+2^2007+3^2007+............+2005^2007+2006^2007?
I asked someone this question and was struck.Can you solve
it for me elaborately with the method?

2006-09-24 19:11:06 · 10 answers · asked by Anonymous

Can u tell me the sum of
1^2007+2^2007+3^2007+............+2005^2007+2006^2007?
I asked someone this question and was struck.Can you solve
it for me elaborately with the method?

2006-09-24 19:01:46 · 5 answers · asked by Anonymous

2006-09-24 18:52:53 · 14 answers · asked by Anonymous

2006-09-24 18:42:53 · 13 answers · asked by Anonymous

Can anybody calculate the the length traced by a projectile, shot with a speed of 5m/s and at an angle of 45 with the horizontal? one who solves this get the mathematics award :) ,but yes steps should b there!!

2006-09-24 18:32:31 · 3 answers · asked by outofthisworld 2

Apply the laws of Logrithms to write log (c) (cuberoot(acSquared)/brootd) in expanded form. (c) indicated base.

2006-09-24 18:30:56 · 1 answers · asked by gg 4

Full Q: A quality control engineer samples 5 from a large lot of manufactured firing pins and checks for defects. Unknown to the inspector, 3 of the 5 sampled firing pins are defective. The engineer will test the 5 pins in a randomly selected order until a defective is observed (in which the case the entire lot will be rejected). Let y be the number of firing pins the QC engineer must test. Find and graph the probability distribution of y,

My understanding: y should be 1, 2, and 3, since by the 3rd pin, the defect will definitely be it (if not on the first two) because of the 3/5 probability and sample size of 5. The prob that the first item drawn is a defect is p(y=1) = 3/5 -- this is correct.

For p(y=2) I figured (2/5)(3/) -- wrong! same for p(y=3)...
The answers given are: p(2)=3/10 , p(3)=1/10
I don't understand how......

2006-09-24 18:26:09 · 2 answers · asked by Gizmo 1

1/log(10)a + 1/log(10)a = 1/log(100)a How do I prove this? not solve for a, I need to prove it.

2006-09-24 18:26:08 · 5 answers · asked by gg 4

At the local Sunday School, the teacher brought in some puppies. There were
20 more children than puppies. In the corner of the room, the teacher had
an ant's nest. In the nest were exactly 10 times more ants than children.
In total, including the teacher, the children, the puppies and the
ants,there were 1440 legs in the room.

2006-09-24 18:12:06 · 7 answers · asked by Jeffrey Z 1

2006-09-24 18:09:54 · 12 answers · asked by Tina 1

I don't know how to prove 1/Log a + 1/Log a = 1/log 100 a (10 is the base)

2006-09-24 18:06:47 · 4 answers · asked by gg 4

There is a question I am not sure exactly what to do for it "For log y= log(0.5x-3) + log 2, State the domain, then express y as a funtion of x."

2006-09-24 18:05:07 · 3 answers · asked by gg 4

I heard that there is a Russian mathmetician who solved one of the most difficult unsolved equation. He left his job and focused only on this problem for 7 years. Anybody know this story..and his name?

2006-09-24 18:00:04 · 4 answers · asked by Calgarian_man 2

6 -1 3 4 6
8 1 6 9 6
1 2 5 6 6
9 7 7 7 1
1 2 7 8 10

I don't need the answer, but I want to know the formula. I have no idea how to do this ^^;.

2006-09-24 17:58:39 · 6 answers · asked by Yuki 2

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