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Deceleration's 100 math problems thread!; Absolute torture...
Topic Started: Aug 4 2011, 04:22 AM (5,624 Views)
DarkWingedDaemon
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Coreling Cruiser

How do you know?
 
Deceleration
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Coreling Conquerer

Show me your math.
 
DarkWingedDaemon
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Coreling Cruiser

And make sure you calculated the universe's constant expansion.
 
rockboy3970

Blah it took me forever to get the math down for the question but the awnser is 13.7 billion years, you were off by .3 billion years
 
Deceleration
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Coreling Conquerer

Show me the specific formulas and expressions used to obtain that result.
 
Deceleration
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Coreling Conquerer

All right, I got a question:

Number 7. A 1000 foot long railroad rail expands 1 inch because it is a hot day. If the rail breaks off at one end of its 1000 foot length and makes a right triangle with the new rail length as the hypotenuse, then how far off the track is the rail after it has broken off?

This is simple. Pythagorean theorem, Chinese kids learn this when they are 4 years old.
 
Camo5
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Resident BorgCube
uhm. 1 inch? I suck at word problems.
Edited by Camo5, Sep 1 2011, 09:51 PM.
 
Camo5
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Resident BorgCube
For example: One-half of six times the square root of three-tenths of 8 times more than 3 more of a number equals 3 times 8 more than one-third of the number. what's the number?

This is what your question is like to me.

Also, I don't know the answer to this, or if there even is one. ^
Edited by Camo5, Sep 1 2011, 09:55 PM.
 
Deceleration
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Coreling Conquerer

2 times the square root of (0.3 x 8) -3 = 3 x (8+n divided by 3)

This isn't a math problem, since it has no solution. It's like telling me (9 + 1) = (5 x 2).

And yes, there is an answer.
 
Camo5
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Resident BorgCube
i suppose there is. but my wording is so confusing i'm unwilling to spend 5 minutes figuring it out. Not until school starts on tuesday, anyway...
 
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