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#1 Help Me ! » Algebra... » 2006-07-02 10:22:08

sureshrgp
Replies: 3

I need help on introduction to graphs and statistics.

#2 Re: Help Me ! » Help me! » 2006-06-16 01:15:20

Sorry, I am confused.. I need more explanation. Please...

#3 Help Me ! » Help me! » 2006-06-15 10:27:10

sureshrgp
Replies: 3

I want some puzzles in terminating decimals and probability with answer pls...


Advance thanks.:)

#5 Help Me ! » Algebra! » 2006-06-07 04:31:59

sureshrgp
Replies: 3

1) Given that f(x) is a polynomial of degree EIGHT such that
f(m) = 1/m for m = 1,2,3,4,5,...,9
Find f(10)

2) Suppose a²+ab+b²-c²-cd-d²=0, where a, b, c, d are positive integers.
Then I think a+b+c+d is a composite number. It is true? Prove it!

3) Prove that if p and p²+8 are prime then so is p³+4.

4) In how many ways can you change a $50 bill using $20 bills, $10 bills,
$5 bills, $2 bills, and $1 bills?

5) Find the equation of the circle which touches the axis of y at a distance 4
from the origin and cuts off an intercept of length 6 on the axis of x.

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