this post was submitted on 03 Mar 2024
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top 34 comments
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[–] [email protected] 64 points 9 months ago (2 children)

This is just 1*2=2 with extra steps

[–] [email protected] 22 points 9 months ago (1 children)

Nobody tell Terrance Howard.

[–] popekingjoe 5 points 9 months ago (1 children)

Terryology has got to be one of the most nonsensical and unhinged pointless maths theories I've ever read.

[–] mumblerfish 2 points 9 months ago

At times I just thought he did not believe in anything beyond the integers, which would be insane enough. But it is so much worse.

[–] jettrscga 11 points 9 months ago* (last edited 9 months ago)

4/2=2, upside down.

(1/4) / (1/2) = (1/4) * 2 = 2/4 = 1/2

[–] HollowNaught 31 points 9 months ago

4/2 = 2

What's your point?

[–] [email protected] 25 points 9 months ago

If that keeps you up you don't deserve sleep

[–] [email protected] 23 points 9 months ago* (last edited 9 months ago) (1 children)

Imagine a pizza. The pizza is 1. You cut the pizza into three slices: two slices are 1/4 (0.25) of the size of the pizza, the other slice is 2/4 (0.5) of the size of the pizza. We'll ignore one of the 1/4 slices for this question, as we don't need it.

Compare the 0.25 slice and the 0.5 slice, this problem is essentially asking "how many times can I fit the 0.5 slice into the 0.25 slice?", the answer to this is obviously... 0, if you're thinking in integers. Okay, but how much of the 0.5 slice could you fit in...? Half (0.5) of it. So 0.5 fits 0.5 times into 0.25.

Half of the slice that's twice as big as the 0.25 slice fits into the 0.25 slice.

Edit: Gone back and read other comments and... Holy shit y'all, have some compassion for people who struggle with maths? Nobody is helped or motivated by snarky comments. A concept that is easy to grasp for you might be difficult to understand for someone else for a variety of reasons. Somewhat relevant xkcd.

[–] danekrae 4 points 9 months ago (1 children)

Are you going to eat that last slice?

[–] [email protected] 1 points 9 months ago

You can have it, but then everyone has to scale the other two slices by 1/0.75 since they now make up 100% of the pizza.

[–] [email protected] 12 points 9 months ago (1 children)

Already did when I was 9.... Kind of moved on though

[–] Mr_Blott 2 points 9 months ago

Phwoar you must be really clever

[–] MrJameGumb 11 points 9 months ago (6 children)

That doesn't make any sense to me but the calculator says it's correct... Goddamit I'm going to be thinking about this all day now...

[–] [email protected] 22 points 9 months ago

Divide with a decimal to multiply. This is equivalent to multiplying 0.25 by 2.

[–] bitwaba 8 points 9 months ago* (last edited 9 months ago) (1 children)

It's confusing because it's dividing by "one over two (a half)" instead of dividing by "two over one".

Dividing by 2 is the same a cutting something in half.

Dividing by a half is the same as the inverse of cutting something in half, which is doubling it

[–] [email protected] 1 points 9 months ago

Ah yeah, thats where I was mentally fucking it up. Thanks.

[–] penguin_knight 5 points 9 months ago

a quarter is half of a half.

[–] [email protected] 4 points 9 months ago

Maybe you’re interpreting it wrong. With addition and subtraction we can imagine objects increasing and decreasing in quantity.

However we cannot multiply or divide an object to make more or less of that object. Instead it’s more like creating territories on an object for microbials to fight over.

[–] [email protected] 3 points 9 months ago* (last edited 9 months ago)

0.25 / 0.50 = (0.25 * 4) / (0.50 * 4) = 1 / 2 = 0.50

[–] 0Xero0 -2 points 9 months ago

If this doesn't make sense to you, you're in desperate need to repeat elementary school

[–] [email protected] 10 points 9 months ago

0.25/0.5

(1/4)/(1/2)

(1/4)*(2/1)

2/4

1/2

There ya go.

[–] LemmyKnowsBest 8 points 9 months ago (1 children)

💚 Half of a quarter is...half.

♥️ ...is half of what?

💚 is half of a quarter!

[–] [email protected] 9 points 9 months ago (1 children)

Dividing something by 0.5 isn’t halving it, it’s doubling it.

[–] LemmyKnowsBest 5 points 9 months ago (1 children)

Well I'm with OP, this entire matter is troubling my mind.

[–] [email protected] 6 points 9 months ago* (last edited 9 months ago)

n^2 /n=n

Who would've thought?

[–] [email protected] 6 points 9 months ago

X ÷ (number bigger than 1) < X, obviously

X ÷ 1 = X, obviously

X ÷ (number smaller than 1) > X, somehow confusing?

How many halves go into a quarter? Half of one.

[–] [email protected] 5 points 9 months ago

#iam12andthisisdeep

[–] [email protected] 4 points 9 months ago

x^2 / x = x ?? How alarming

[–] 0Xero0 1 points 9 months ago (1 children)

As an Asian, I can't understand why this keeps you up at night. Didn't you learn this in like 2nd grade?

[–] [email protected] 6 points 9 months ago* (last edited 9 months ago)

They didn't teach why. American mathematics have been a rote learning exercise in classrooms for generations past.

[–] [email protected] 0 points 9 months ago* (last edited 9 months ago) (1 children)
[–] Legge 2 points 9 months ago (1 children)

It doesnt though? Unless n=2.

Your equation simplifies to 1/2 = 1/n

[–] [email protected] 2 points 9 months ago

corrected, meant 1/2 instead of 1/n