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Posted on 9/17/19 at 7:16 am to Ross
quote:
For whatever it’s worth, it’s pretty easy to show that 0.99999... repeating is exactly equal to one. Not very close, they are the same number.
If that’s true, then .3 repeating is exactly equal to .4.
But .4 x 3 = 1.2, not 1.
Edit: Correction - that would mean .3 repeating is exactly equal to???? .34? .34 x 3 = 1.02. No matter where where you round up it still doesn’t equal 1 when you times it by 3.
This post was edited on 9/17/19 at 7:33 am
Posted on 9/17/19 at 7:18 am to CFDoc
quote:
This story is irrational
Posted on 9/17/19 at 7:21 am to Jon Ham
quote:
You can’t split a foot into 3 equal 4 inch parts?
Yes. Clearly.
You simply can’t express 1/3 with 100% accuracy in decimal form.
Posted on 9/17/19 at 7:22 am to Jon Ham
quote:
Who’s the fricking dumbass who invented the feet/inches measurement system and why did we listen to him?
Shoulda stuck with Cubits.
Posted on 9/17/19 at 7:58 am to Jim Rockford
quote:
Divide it into 30 pieces and give each 10.
Each individual piece of the 30 will be .333333333.....
Still same issue
Posted on 9/17/19 at 8:06 am to deltaland
quote:
Still same issue
The issue is non existent. I’m sure you agree that it can be split in half, right?
If it can be divided into equal halves, it can also be divided into equal thirds.
Posted on 9/17/19 at 8:51 am to Jon Ham
Should have given the favorite 3.4
Posted on 9/17/19 at 8:56 am to PhiTiger1764
quote:
3.333 repeating... multiplied by 3.... is exactly equal to 10.
This.
Just like 9.9999999 repeating is equal to 10.
If I'm wrong, find a number in between the two.
Posted on 9/17/19 at 9:02 am to HempHead
quote:
No, it isn't. It is close, but it isn't exact, mathematically speaking.
Mathematically speaking, he is correct and you are mistaken. There are a number of easy ways to prove this fact ranging from an infinite sum of a geometric sequence to simple proof by arithmetic or even algebra if you wish (all are a Google search away as this is a “fun” topic for those interested in math), but the answer is always the same. 0.9999 repeating is exactly equal to one and 9.9999 repeating by extension is exactly equal to ten. This is mathematical fact.
This post was edited on 9/17/19 at 9:03 am
Posted on 9/17/19 at 9:24 am to Ross
What is .1 repeating exactly equal to?
Edit: I don’t know if .1 repeating ever actually occurs, so let me ask what is .3 repeating exactly equal to?
Edit: I don’t know if .1 repeating ever actually occurs, so let me ask what is .3 repeating exactly equal to?
This post was edited on 9/17/19 at 9:27 am
Posted on 9/17/19 at 9:29 am to Ross
.9 is not 1.
.99 is not 1.
.999 is not 1.
At what point does it equal 1?
If it only equals one when you add an infinite amount of 9’s, then it never equals one because you will never be done adding 9’s.
.99 is not 1.
.999 is not 1.
At what point does it equal 1?
If it only equals one when you add an infinite amount of 9’s, then it never equals one because you will never be done adding 9’s.
Posted on 9/17/19 at 9:31 am to Jon Ham
quote:
A man has a 10 lb gold bar and wants to divide it equally among his three children. He gets his wife’s cooking scale out and perfectly divides the bar into 3 equal pieces and gives one to each of his kids.
Trick question, gold is weighed in troy ounces. A troy pound has 12 ounces. 3 lbs 4 ounces for each kid. Simple af.
quote:
Surely at some point its weight will max out and the next number will be 0, right?
Probably more flawed logic than not using troy weight.
Posted on 9/17/19 at 9:32 am to CFDoc
quote:
CFDoc
quote:
This story is irrational
ISWYDT
Posted on 9/17/19 at 9:33 am to Jon Ham
quote:
What is .1 repeating exactly equal to?
1/9
quote:
tually occurs, so let me ask what is .3 repeating exactly equal to
1/3
quote:
.9 is not 1.
.99 is not 1.
.999 is not 1.
At what point does it equal 1?
When it is repeating...
quote:
If it only equals one when you add an infinite amount of 9’s, then it never equals one because you will never be done adding 9’s.
Not true.
This post was edited on 9/17/19 at 9:35 am
Posted on 9/17/19 at 9:34 am to Jon Ham
quote:
Or is there some cool reason inches/feet are better than centimeters/meters?
12 is divisible by 1,2,3,4,6, and 12.
10 is only divisible by 1,2,5, and 10.
Posted on 9/17/19 at 9:54 am to Jon Ham
quote:
At what point does it equal 1?
If it only equals one when you add an infinite amount of 9’s, then it never equals one because you will never be done adding 9’s
The problem is that .33 repeating is actually approximate so 1/3 can be represented by decimal. A calculator doesn't have infinite digits to work with, so you get .33333333 as far as it can go. If you actually took it out infinitely, it can be proved mathematically it is actually 1/3.
Think about some number 1/x. If you take the limit, as x -----> infinity 1/x = 0. Same basic idea here.
Posted on 9/17/19 at 9:58 am to Jon Ham
quote:
If that’s true, then .3 repeating is exactly equal to .4.
quote:No, dumbass, it equals 1/3
Correction - that would mean .3 repeating is exactly equal to???? .34?
quote:Jesus. Why are you trying to "round up"? 0.3 repeating is just the decimal equivalent of 1/3. It's just a different way to write the same number. There just isn't enough space in the universe to write out the "full" version of 0.3 repeating, so we just draw a line over the top of the 3. 1/3 is an actual number, and multiplying it by 3 is exactly equal to 1.
No matter where where you round up it still doesn’t equal 1 when you times it by 3.
Posted on 9/17/19 at 10:00 am to Jon Ham
quote:
If it only equals one when you add an infinite amount of 9’s, then it never equals one because you will never be done adding 9’s.
It's theoretical and a moot point as far as this thread is concerned. An object with finite mass will never have a weight with infinite repeating decimals. An actual 10 lb gold bar can not be divided into three equal parts, period.
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