The Maths Thread - Page 3

Paid The Umpire · 29-08-2005, 06:21 PM

Quote:

Originally Posted by Samuel_Vimes

Taxmen don't count. They take everything and leave the counting to the accountants.

From my experience, neither can count well.

vic_orthdox · 29-08-2005, 06:23 PM

Quote:

Originally Posted by BoyBrumby

You've changed, man. It used to be about the music...

Isn't there a "you used to be cool" part in there somewhere...?

aussie · 29-08-2005, 06:29 PM

Here is one of the most complicated things i've ever done in maths its so confusing

FH (X) = 2X - 3
X +4

Find A: H (-3)
B: H(1/2)
C: H(5)

D: Calculate the value for X if (1): H(X) = 3
(2): H(X) is undefined

Paid The Umpire · 29-08-2005, 06:45 PM

A ---> x = -1.8
B ---> x = 5 and a third
C ---> x = -5 and two thirds
Da ---> x = -15
Db ---> x = (3 + 4H(X)) over (2 - H(X))

I thinks...

aussie · 29-08-2005, 06:59 PM

Quote:

Originally Posted by Paid The Umpire

A ---> x = -1.8
B ---> x = 5 and a third
C ---> x = -5 and two thirds
Da ---> x = -15
Db ---> x = (3 + 4H(X)) over (2 - H(X))

I thinks...

explain how you worked out the undefined part???

Paid The Umpire · 29-08-2005, 07:05 PM

What you have do is thus get the X by itself...

I think it might be a paint job to show you :P

I'll post it in a second.

Paid The Umpire · 29-08-2005, 07:15 PM

Here it is... nice use of arrows i think.

steds · 29-08-2005, 07:20 PM

Quote:

Originally Posted by Paid The Umpire

Here it is... nice use of arrows i think.

indeed. Very pretty

...Why do you multiply by -1, though?

Paid The Umpire · 29-08-2005, 07:23 PM

Makes it cleaner later on...

It just makes it easier to only have 1 negative item instead of 3. Helps later on, i feel.

Paid The Umpire · 29-08-2005, 07:26 PM

And the best bit is that you are allowed to do that kind of thing, to clean up maths when x and y are involved.

aussie · 29-08-2005, 07:35 PM

Quote:

Originally Posted by Paid The Umpire

Here it is... nice use of arrows i think.

ahhhh i think i get it now.......

Don · 29-08-2005, 09:20 PM

man this topic should be stickied.that functions thing helped me

cricket player · 29-08-2005, 09:26 PM

I am not good at math either,

Robertinho · 30-08-2005, 12:58 AM

Hahah nice Bob. I've just done circle geometry, variation, quadratic graphs and exponentials.

Quote:

FH (X) = 2X - 3
X +4

Find A: H (-3)
B: H(1/2)
C: H(5)

D: Calculate the value for X if (1): H(X) = 3
(2): H(X) is undefined

LOL, transposing, can't believe you haven't done that

Samuel_Vimes · 30-08-2005, 01:00 AM

Quote:

Originally Posted by Voltman

I opened this thread expecting to read aussie saying ``All integers are evil and should be beaten from this world''

Reminds me of a mathematician's saying: God created the natural numbers, Man made the rest.

29-08-2005, 06:29 PM	#33 (permalink)
aussie Hall of Fame Member Join Date: Mar 2005 Location: Cricket Posts: 16,845	Relations & Functions Here is one of the most complicated things i've ever done in maths its so confusing FH (X) = 2X - 3 X +4 Find A: H (-3) B: H(1/2) C: H(5) D: Calculate the value for X if (1): H(X) = 3 (2): H(X) is undefined Last edited by aussie; 29-08-2005 at 06:33 PM.

29-08-2005, 09:20 PM	#42 (permalink)
Don State Vice-Captain Join Date: Aug 2004 Location: trinidad Posts: 1,235	man this topic should be stickied.that functions thing helped me __________________ WERE LEAN WERE MEAN WERE THE GREEN MACHINE CW GREEN'S OTHER LHB.

29-08-2005, 09:26 PM	#43 (permalink)
cricket player International Debutant Join Date: Oct 2004 Location: usa Posts: 2,308	I am not good at math either, __________________ Bob is very insane stay away from him FAVOURITE UNDER 19 CRICKETER JP McNamara AKA ORTHODOX

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29-08-2005, 06:45 PM	#34 (permalink)
Paid The Umpire All Time Legend Join Date: Mar 2002 Location: In Your House, With A Knife! Posts: 2,300	A ---> x = -1.8 B ---> x = 5 and a third C ---> x = -5 and two thirds Da ---> x = -15 Db ---> x = (3 + 4H(X)) over (2 - H(X)) I thinks...

29-08-2005, 07:05 PM	#36 (permalink)
Paid The Umpire All Time Legend Join Date: Mar 2002 Location: In Your House, With A Knife! Posts: 2,300	What you have do is thus get the X by itself... I think it might be a paint job to show you :P I'll post it in a second.

29-08-2005, 07:23 PM	#39 (permalink)
Paid The Umpire All Time Legend Join Date: Mar 2002 Location: In Your House, With A Knife! Posts: 2,300	Makes it cleaner later on... It just makes it easier to only have 1 negative item instead of 3. Helps later on, i feel.

29-08-2005, 07:26 PM	#40 (permalink)
Paid The Umpire All Time Legend Join Date: Mar 2002 Location: In Your House, With A Knife! Posts: 2,300	And the best bit is that you are allowed to do that kind of thing, to clean up maths when x and y are involved.

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