P1ayer-1/eli5-questions · Datasets at Hugging Face

title stringlengths 1 312	post_id stringlengths 5 7	over_18 bool 2 classes	subreddit stringclasses 1 value	link_flair_text stringlengths 2 63 ⌀	self_text stringlengths 1 32k ⌀
ELI5 Critical Race Theory	o2frjb	false	explainlikeimfive	Mathematics	[removed]
eli5: Can someone help with 2 step algebra	lwa1l6	false	explainlikeimfive	Mathematics	I've been having a hard time with it in math for so long and my f*cking teacher tried to explain with just properties and not how to actually do it. she expects us to immediately know when she poorly taught us over teams (online class). how do I do two step algebra with variables on both sides, parentheses, and fractions? I'm desperate.
Dividing by zero eli5	lvxnle	false	explainlikeimfive	Mathematics	[removed]
eli5 Adding and subtracting fractions with unlike denominators	lw2c3p	false	explainlikeimfive	Mathematics	[removed]
ELI5: What exactly is the Lorentz Attractor?	mphugt	false	explainlikeimfive	Mathematics	[deleted]
ELI5: Why are the moments defined as they are and in that order? What distinguishes moments from any other type of measurement?	gx02y0	false	explainlikeimfive	Mathematics	Is it all just arbitrary? If so, who decided it?
ELI5: Uses of complex numbers.	gxoj2j	false	explainlikeimfive	Mathematics	I recently got interested in the topic of complex numbers, I watched a few videos on YouTube about the subject and I think I got the general idea of what they are. But I still don't understand what uses they have in real life.
ELI5: What is cross-entropy in ML/NLP?	gwzwot	false	explainlikeimfive	Mathematics	null
ELI5: Why is pi pi? Why not another letter?	vb4puo	false	explainlikeimfive	Mathematics	Well, title. Who chose the letter? I was thinking ancient Greeks (Euclidean? Pythagoras?) or was it chosen later on? Why did it stick and was not replaced like so many others?
ELI5: What is type I and type II error and which one is more serious?	vaod1s	false	explainlikeimfive	Mathematics	[removed]
eli5 why is 9 the last number? and why then we use 10 and repeat in sets of 10?	z07mpo	false	explainlikeimfive	Mathematics	I hope you get my crudely written question. I mean why not end at let's say 6 and then put 10 (here representing 7). I understand the convenience of 10 and I am so used to it. But please help. Eli5.
eli5:What about e^i*𝜃 relates it to wave functions like sin and cos?	z0e96t	false	explainlikeimfive	Mathematics	e^i*𝜃=cos𝜃+𝑖sin𝜃 Is it because multiplication with i rotates 90 degrees in the complex plane, or is there something about e that relates it to geometry, even though it is related to growth
ELI5: What is holomorphism in mathematics?	z09stw	false	explainlikeimfive	Mathematics	[removed]
Download the SoFi app..... Get free money eli5	u85u27	false	explainlikeimfive	Mathematics	[removed]
ELI5: what is the difference between statistics and machine learning?	u73id1	false	explainlikeimfive	Mathematics	I’ve seen many online explanations of this that try to say the main difference is their purpose. This is quite unsatisfying as an explanation and others that try to explain the difference seem quite verbose and difficult to comprehend for me.
ELI5: When to use which mathematical symbol	u78fsf	false	explainlikeimfive	Mathematics	So I’ve noticed there are a lot of mathematical symbols for the same purpose. For example: Two times two can be written as (2x2),(2•2) and (2*2) Two to the power of two can be written as (2^2) (2²) And finally two divided by two can be written as (2:2) (2 and 2 as fraction) and (2/2) So when do you use the different symbols
Eli5: uncomputable numbers	tfi5f6	false	explainlikeimfive	Mathematics	Why can't we compute most numbers
ELI5 Why are there hundreds of languages but one universally used numerical system?	tflk9w	false	explainlikeimfive	Mathematics	We all learned to speak different languages depending on location but somehow came to the same counting system. Why?
eli5 can anyone explain degree of freedom (statistics concept)?	tfbozo	false	explainlikeimfive	Mathematics	null
ELi5: kWh/kW/yr ?	tfon02	false	explainlikeimfive	Mathematics	[removed]
ELI5 Square roots	pch586	false	explainlikeimfive	Mathematics	how do i find the square root of a non-perfect square (sorry if its the wrong sub for this)
ELI5 To this day I don’t understand how to calculate DPS, please help	10up95a	false	explainlikeimfive	Mathematics	[removed]
ELI5: What do each of the greeks mean in financial markets?	m852qh	false	explainlikeimfive	Mathematics	(This is not a request for financial advice) Can someone please explain what each of the greeks mean in money markets? The ones I am aware of are: Delta Gamma Theta Vega (I think there are others) Thanks in advance
ELI5:Riemann hypothesis	m8t11d	false	explainlikeimfive	Mathematics	[deleted]
ELI5: how could a mathematic equation lead to the discovery of black holes	m8fhen	false	explainlikeimfive	Mathematics	[removed]
ELI5: If 0.333...=(1/3), then does 0.999...=1?	fpi4im	false	explainlikeimfive	Mathematics	[removed]
ELI5: Difference between linear and logarithmic scales.	fpi6tv	false	explainlikeimfive	Mathematics	[removed]
ELI5:Does a lack of testing underestimate or overestimate the death of coronavirus?	fpmss9	false	explainlikeimfive	Mathematics	[removed]
ELI5: How do integral calculators find the antiderivative of a function?	wiijid	false	explainlikeimfive	Mathematics	null
ELI5: Truth tables for conditional propositions.	108tetb	false	explainlikeimfive	Mathematics	I'm taking discrete math and I'm already completely lost on how to make truth tables for conditional propositions such as q → ¬(r ∨ q) .
ELI5 the bell curve and this IQ score	108g21y	false	explainlikeimfive	Mathematics	[deleted]
ELI5: I have a test on factoring polynomials tomorrow. I have no idea how to factor polynomials. Please, oh my god, help me.	nujn3u	false	explainlikeimfive	Mathematics	[removed]
ELI5: How Does 1 in 10000 work?	n5hrqn	false	explainlikeimfive	Mathematics	Ive always wondered about this: Lets say there is a chance of 1 in 23.000 to get a certain disease. But we know that there Are a lot more diseases with those odds Aprox of apearing, would that make the ods lets say 1 in 2.300 of geting a rare disease? Or is it 1 per 23.000 healthy person. Sorry for bad grammar.
ELI5: When people compare something to the number of grains of sand on earth, how can that possibly be accurately estimated?	ee1hvl	false	explainlikeimfive	Mathematics	I just heard a quote that “there are 10 to the power of 22 total stars. That’s about 10,000 stars for every grain of sand on earth.” - Unexplained on Netflix. Just curious, do they estimate the sand at the bottom of the ocean? Rivers? Is there a general agreement among scientists or mathematicians as to what that number is?
ELI5:What is normed vector space?	edso8o	false	explainlikeimfive	Mathematics	null
ELI5: How do companies like Uber not make profits when the major costs (car wear&tear, gas etc.) are covered by their exploited contractors who don’t even receive benefits or hourly pay?	edfigk	false	explainlikeimfive	Mathematics	[removed]
ELI5: why do 3D video game graphics distort shapes when they're not centered in the player's field of view? Please see Portal screenshots in post body.	q5by2w	false	explainlikeimfive	Mathematics	https://imgur.com/gallery/iOnHiqH ^ Please see the four comparative screenshots captured from Portal. Bonus: why is this effect more pronounced for higher field-of-view settings?
Olympus Finance (OHM) eli5	q5rs14	false	explainlikeimfive	Mathematics	[removed]
ELI5: Why can’t password hackers map out every combination of input/outputs for hashing algorithms and index them, allowing them to “crack” the algorithm.	t5yql1	false	explainlikeimfive	Mathematics	I get that hashing algorithms are incredibly complex, and a one character difference in input will result in a totally different output. If a hacker had the ability to run inputs through the algorithm and see the output, couldn’t they build their own indexed database and be able to determine the input from the output, without the need to reverse engineer the hash algorithm itself?
eli5 a theory about simulation theory is that mathematics is just the code of our universe, how does math work like code for the universe aside from simulation theory?	t5mc3w	false	explainlikeimfive	Mathematics	null
ELI5: How much does the average billionaire actually have to spend?	gy8rjb	false	explainlikeimfive	Mathematics	[deleted]
ELI5 : I'VE STARTED TO DOUBT MYSELF NOW IN MONEY MATTERS.	gyaq5j	false	explainlikeimfive	Mathematics	[removed]
ELI5: A math question, I suck at math and my programmer BF isn’t willing/able to do it for me. I’ve lost a ton of weight, a total of 18 inches off my hips. Looking at me straight on how many inches am I smaller on each side?	gyh86d	false	explainlikeimfive	Mathematics	[removed]
ELI5: What's the math behind 12345679 * 8?	f6qoz2	false	explainlikeimfive	Mathematics	[deleted]
ELI5: why does PMAS even exist? Or complex math at all?	rnhq77	false	explainlikeimfive	Mathematics	[deleted]
ELI5: A bat and a ball costs $1.10 in total.	l1w3kx	false	explainlikeimfive	Mathematics	[deleted]
ELI5 Why aren't we all good at math? Those who are geniuses, see the numbers differently?	i2iav8	false	explainlikeimfive	Mathematics	In my school years, it was not bad, I never failed any math course, I had a bad time at university but I didn't fail either. However, I had classmates who failed in elementary school, and I have friends who can divide and multiply without using a calculator. I know there are people who solve big equations and problems of years, but I just don't get it. they see the different numbers? Edit: thank you all, you really make me get in a different way this. You all give me a lot to thing about it. I really appreciate the time you took to respond!!
ELI5: If two paths are going to the exact same place, how can one take less time than the other?	i2vqyl	false	explainlikeimfive	Mathematics	null
[ELI5] how is weather predicted for a week in the future? what do they look at to make these often accurate predictions?	i2x1hi	false	explainlikeimfive	Mathematics	null
ELI5: why do the graphs for COVID infection have spikes?	i2mb74	false	explainlikeimfive	Mathematics	[removed]
ELI5: how finding number of combinations work.	npqcrm	false	explainlikeimfive	Mathematics	For science.
ELI5: Why is 2 + 1 = 3 and why is 3 > 1. Are there proofs for these.	dzwrkx	false	explainlikeimfive	Mathematics	[removed]
Why 1+1=2?	bsth28	false	explainlikeimfive	Mathematics	[removed]
ELI5: Can someone explain to me what an Multivariate analysis of variance (MANOVA) does in terms of statistics and studies?	drhs09	false	explainlikeimfive	Mathematics	null
ELI5 : Math - How was it 'discovered'? Additionally, how does everything have a formula attached to it and how do people figure out those formulas?	dr8s6o	false	explainlikeimfive	Mathematics	[removed]
ELI5: Planck's length	othyqo	false	explainlikeimfive	Mathematics	[deleted]
ELI5: What is Gödel's incompleteness theorem, and why is it so infamous in Mathematics?	ms86qr	false	explainlikeimfive	Mathematics	null
ELI5: What are practical applications for prime numbers?	ms158x	false	explainlikeimfive	Mathematics	[removed]
ELI5: What are the Mandelbrot's fractals and how does the visual images of it works?	mscp2w	false	explainlikeimfive	Mathematics	[removed]
ELI5: Why are the storage options for devices like phones or laptops multiples of 16GB?	brnv42	false	explainlikeimfive	Mathematics	null
eli5: Why does the US still use the imperial system when nearly the entire world has switched to the metric system? And what the hell is up with the stone?	gzlb2c	false	explainlikeimfive	Mathematics	[removed]
ELI5 Why isn't 3 thirds (0.999999999...) add 3 thirds infinity?	j6udnu	false	explainlikeimfive	Mathematics	I know it sounds stupid but hear me out. I'll try to explain my dilemma as best I can. 19+9 is 28 If I put it in a basic method it looks like this: 19 +¹9 28 You carry the one. 3 thirds is 0.9 reoccurring, meaning that it goes on forever right? So because it goes on forever, if you carry and infinite amount of "1"'s. Yes the "1" gets 10 times smaller each time, but if you have an infinite amount, eventually they should all add up to a whole 1 right? And then again? And then again again? Yes it will take longer and longer each time, but because it's infinite it will eventually happen. But 3 thirds is equivalent to 1 right? And 1+1 is 2. Sooooo... is 1+1 equal to infinity or 2 depending on the context? Or is 3 thirds different to 1?
ELI5: What are mathematical “moments”, eg., first moment, second moment, etc.?	jy69x8	false	explainlikeimfive	Mathematics	null
ELI5: For large distances between countries, why do use thousands of kilometers instead of megameters?	w2rzni	false	explainlikeimfive	Mathematics	If you're flying to a different country, you may see the distance as "3500km". Obviously we won't use 3,500,000 meters, but why not 3.5Mm as Megameters? If the speed of light is 299 792 458 m / s, why do we refer to it as 300,000km/s instead of 300Mm/s?
eli5 - how to convert gallons to litres gas prices.	w2kq7x	false	explainlikeimfive	Mathematics	[removed]
ELI5:What is x if x = y and y = x?	fsv3s3	false	explainlikeimfive	Mathematics	null
eli5: How do we understand mathematically the ways in which natural selection work?	wkjerj	false	explainlikeimfive	Mathematics	[removed]
ELI5: Why is the Sum to Infinity of a Geometric Series not Infinity?	efggbq	false	explainlikeimfive	Mathematics	While the values added do get smaller with each addition, intuition would say that adding something an infinite number of times would lead to a sum that would equal Infinity, even if the added value infinitely decreases. I am aware Infinity is a concept not a number.
ELI5 What is a p-value	md6qy6	false	explainlikeimfive	Mathematics	If I'm reading a study and see a p-value, how do I know if it's significant? Is there a rule of thumb, or an informal scale that I can remember? Like "between x and y is very significant, between y and z is still significant…" And is there a simple way to explain how they're calculated?
ELI5: How are surface areas of countries calculated/measured?	fgig70	false	explainlikeimfive	Mathematics	null
ELI5: What benefits do octal have over decimal?	ieosm9	false	explainlikeimfive	Mathematics	null
ELI5 Why is 196884 = 196883 + 1?	k57b97	false	explainlikeimfive	Mathematics	Edit: There is some sort of significance in this equation according to number theory, and this is not just some random number I chose.
(ELI5) I'd like help understanding Graham's number	k5ynhn	false	explainlikeimfive	Mathematics	I'm in class right now and my teacher is talking about infinity and infinitesimal. He's been much too busy this week to explain things properly or to really talk to students for too long, so I ask here if someone could explain Graham's number? I mean to really explain, as I don't understand anything about it right now. Thank you so much, I'll be getting back to class.
uses you finger to solve times 9 problems eli5	k5ddc9	false	explainlikeimfive	Mathematics	[removed]
eli5: What is the purpose of the cutoff in statistics?	gspaaa	false	explainlikeimfive	Mathematics	What do I get from choosing a cutoff point and calculating the confusion matrix? What is the difference really when I choose a cutoff value of 0.05 as opposed to say 0.8?
ELI5 : What exactly is pi?	gt8lr9	false	explainlikeimfive	Mathematics	I've recently read about archimedes estimating a value for pi, which leads me to wonder, what exactly is pi? Is it just a ratio of circumference to the radius?
ELI5: What are the most basic axioms in maths through which everything else can be derived?	gt8syz	false	explainlikeimfive	Mathematics	[deleted]
ELI5: Can someone please explain Byrnes Paradox?	c1dfj5	false	explainlikeimfive	Mathematics	[deleted]
eli5: How can hashes be unique?	u102vn	false	explainlikeimfive	Mathematics	Hash functions return values of fixed length, so there is a limit of possible values. Even by pure logic, if we have set of all possible hashes and we hash every element if it, we get the same hash set, just in different order. Now, if we hash something that is not hash, it has to give us one of the values from set. So how is it possible that it gives unique values? Is it just highly unlikely becaue of HUGE amount of possible values?
Eli5: What's f(x) in math and how do I use it?	u0o7dy	false	explainlikeimfive	Mathematics	[removed]
Eli5 What exactly is calculus? and why does engineering depend so much on it?	u0ss8i	false	explainlikeimfive	Mathematics	[removed]
ELI5: why does the inside of a sin function affect the x value and the outside the y value	hfr7df	false	explainlikeimfive	Mathematics	null
Eli5: Dear stat gurus: explain relative risk vs absolute risk and why in the world is it important to know the difference?	hg58xo	false	explainlikeimfive	Mathematics	null
Eli5. What makes a 90% chance different from a 50/50 chance? I mean the 10% can still happen so in my understanding, everything based on chances is a 50/50 chance.	hg28of	false	explainlikeimfive	Mathematics	[removed]
eli5 If a parallelogram is circumscribing a circle will the centre of the circle also be the centre of the diagonal of the parallelogram	sz2u87	false	explainlikeimfive	Mathematics	null
Eli5 why are prime number so special?	reuwlt	false	explainlikeimfive	Mathematics	I know what a prime number is. I am just curious to know what makes them that important (especially in number theory). Thank you!
ELI5: What is Goodwillie Calculus	reh00j	false	explainlikeimfive	Mathematics	null
Why are prime numbers so special? Eli5	reuviq	false	explainlikeimfive	Mathematics	[removed]
Rijndael Encryption ELI5	ly4bcj	false	explainlikeimfive	Mathematics	[removed]
eli5: What is the difference between the congruent sign and equal sign in math?	t9s5er	false	explainlikeimfive	Mathematics	null
ELI5: Why do political polling agencies not take way bigger samples once in a while?	e9gh3b	false	explainlikeimfive	Mathematics	[removed]
ELI5: What is the meaning of the value of tangent?	f9xhv4	false	explainlikeimfive	Mathematics	The unit circle gif came around again and I can wrap my head around sin and cos as measures of the x and y components of the unit circle. but the tangent doesn't seem to be a measurement of anything and I have never really understood that. TIA
ELI5 why does most of the world use Celsius when it seems Fahrenheit is more accurate?	f9yix5	false	explainlikeimfive	Mathematics	[removed]
Eli5 a simple, easy to understand proof for Fermat's last theorem	r2nv9z	false	explainlikeimfive	Mathematics	null
ELI5: Visual Proofs for Sum of an Arithmetic Sequence and Sum of Squares.	r2p8kw	false	explainlikeimfive	Mathematics	[removed]
ELI5: Why is π IRRATIONAL when it is the RATIO of the circumference to the diameter of a circle.	ff28yb	false	explainlikeimfive	Mathematics	So rational numbers can be expressed as a fraction of whole numbers, but π never gets to those whole numbers, but is itself a ratio. Maybe it's just a case that I don't like the nomenclature, but any sort of explanation that clears it up would be greatly appreciated. Gracias.
Why is π IRRATIONAL when it is literally the RATIO of the circumference to the diameter of a circle?	ff25qh	false	explainlikeimfive	Mathematics	[removed]
ELI5: Purpose of null hypothesis?	knxlka	false	explainlikeimfive	Mathematics	Why do scientific studies try to reject a null hypothesis (e.g. this drug does nothing) instead of trying to prove a non-null hypothesis (e.g. this drug cures people with this sickness)? Both methods seem to be doing the same thing.
ELI5: The Ramanujan Summation. how does adding all natural numbers equal -1/12?	knhpl9	false	explainlikeimfive	Mathematics	[removed]
ELI5: Can someone please explain The Monty Hall problem to me. No matter how many videos I watch or other Reddit posts I've read, I cannot understand it at all.	knokug	false	explainlikeimfive	Mathematics	[removed]

ELI5 Critical Race Theory

o2frjb

false

explainlikeimfive

Mathematics

[removed]

eli5: Can someone help with 2 step algebra

lwa1l6

false

explainlikeimfive

Mathematics

I've been having a hard time with it in math for so long and my f*cking teacher tried to explain with just properties and not how to actually do it. she expects us to immediately know when she poorly taught us over teams (online class). how do I do two step algebra with variables on both sides, parentheses, and fractions? I'm desperate.

Dividing by zero eli5

lvxnle

false

explainlikeimfive

Mathematics

[removed]

eli5 Adding and subtracting fractions with unlike denominators

lw2c3p

false

explainlikeimfive

Mathematics

[removed]

ELI5: What exactly is the Lorentz Attractor?

mphugt

false

explainlikeimfive

Mathematics

[deleted]

ELI5: Why are the moments defined as they are and in that order? What distinguishes moments from any other type of measurement?

gx02y0

false

explainlikeimfive

Mathematics

Is it all just arbitrary? If so, who decided it?

ELI5: Uses of complex numbers.

gxoj2j

false

explainlikeimfive

Mathematics

I recently got interested in the topic of complex numbers, I watched a few videos on YouTube about the subject and I think I got the general idea of what they are. But I still don't understand what uses they have in real life.

ELI5: What is cross-entropy in ML/NLP?

gwzwot

false

explainlikeimfive

Mathematics

null

ELI5: Why is pi pi? Why not another letter?

vb4puo

false

explainlikeimfive

Mathematics

Well, title. Who chose the letter? I was thinking ancient Greeks (Euclidean? Pythagoras?) or was it chosen later on? Why did it stick and was not replaced like so many others?

ELI5: What is type I and type II error and which one is more serious?

vaod1s

false

explainlikeimfive

Mathematics

[removed]

eli5 why is 9 the last number? and why then we use 10 and repeat in sets of 10?

z07mpo

false

explainlikeimfive

Mathematics

I hope you get my crudely written question. I mean why not end at let's say 6 and then put 10 (here representing 7). I understand the convenience of 10 and I am so used to it. But please help. Eli5.

eli5:What about e^i*𝜃 relates it to wave functions like sin and cos?

z0e96t

false

explainlikeimfive

Mathematics

e^i*𝜃=cos𝜃+𝑖sin𝜃  Is it because multiplication with i rotates 90 degrees in the complex plane, or is there something about e that relates it to geometry, even though it is related to growth

ELI5: What is holomorphism in mathematics?

z09stw

false

explainlikeimfive

Mathematics

[removed]

Download the SoFi app..... Get free money eli5

u85u27

false

explainlikeimfive

Mathematics

[removed]

ELI5: what is the difference between statistics and machine learning?

u73id1

false

explainlikeimfive

Mathematics

I’ve seen many online explanations of this that try to say the main difference is their purpose. This is quite unsatisfying as an explanation and others that try to explain the difference seem quite verbose and difficult to comprehend for me.

ELI5: When to use which mathematical symbol

u78fsf

false

explainlikeimfive

Mathematics

So I’ve noticed there are a lot of mathematical symbols for the same purpose. For example: Two times two can be written as (2x2),(2•2) and (2*2) Two to the power of two can be written as (2^2) (2²) And finally two divided by two can be written as (2:2) (2 and 2 as fraction) and (2/2) So when do you use the different symbols

Eli5: uncomputable numbers

tfi5f6

false

explainlikeimfive

Mathematics

Why can't we compute most numbers

ELI5 Why are there hundreds of languages but one universally used numerical system?

tflk9w

false

explainlikeimfive

Mathematics

We all learned to speak different languages depending on location but somehow came to the same counting system. Why?

eli5 can anyone explain degree of freedom (statistics concept)?

tfbozo

false

explainlikeimfive

Mathematics

null

ELi5: kWh/kW/yr ?

tfon02

false

explainlikeimfive

Mathematics

[removed]

ELI5 Square roots

pch586

false

explainlikeimfive

Mathematics

how do i find the square root of a non-perfect square (sorry if its the wrong sub for this)

ELI5 To this day I don’t understand how to calculate DPS, please help

10up95a

false

explainlikeimfive

Mathematics

[removed]

ELI5: What do each of the greeks mean in financial markets?

m852qh

false

explainlikeimfive

Mathematics

(This is not a request for financial advice) Can someone please explain what each of the greeks mean in money markets? The ones I am aware of are: Delta Gamma Theta Vega (I think there are others)  Thanks in advance

ELI5:Riemann hypothesis

m8t11d

false

explainlikeimfive

Mathematics

[deleted]

ELI5: how could a mathematic equation lead to the discovery of black holes

m8fhen

false

explainlikeimfive

Mathematics

[removed]

ELI5: If 0.333...=(1/3), then does 0.999...=1?

fpi4im

false

explainlikeimfive

Mathematics

[removed]

ELI5: Difference between linear and logarithmic scales.

fpi6tv

false

explainlikeimfive

Mathematics

[removed]

ELI5:Does a lack of testing underestimate or overestimate the death of coronavirus?

fpmss9

false

explainlikeimfive

Mathematics

[removed]

ELI5: How do integral calculators find the antiderivative of a function?

wiijid

false

explainlikeimfive

Mathematics

null

ELI5: Truth tables for conditional propositions.

108tetb

false

explainlikeimfive

Mathematics

I'm taking discrete math and I'm already completely lost on how to make truth tables for conditional propositions such as q → ¬(r ∨ q) .

ELI5 the bell curve and this IQ score

108g21y

false

explainlikeimfive

Mathematics

[deleted]

ELI5: I have a test on factoring polynomials tomorrow. I have no idea how to factor polynomials. Please, oh my god, help me.

nujn3u

false

explainlikeimfive

Mathematics

[removed]

ELI5: How Does 1 in 10000 work?

n5hrqn

false

explainlikeimfive

Mathematics

Ive always wondered about this: Lets say there is a chance of 1 in 23.000 to get a certain disease. But we know that there Are a lot more diseases with those odds Aprox of apearing, would that make the ods lets say 1 in 2.300 of geting a rare disease? Or is it 1 per 23.000 healthy person. Sorry for bad grammar.

ELI5: When people compare something to the number of grains of sand on earth, how can that possibly be accurately estimated?

ee1hvl

false

explainlikeimfive

Mathematics

I just heard a quote that “there are 10 to the power of 22 total stars. That’s about 10,000 stars for every grain of sand on earth.” - Unexplained on Netflix. Just curious, do they estimate the sand at the bottom of the ocean? Rivers? Is there a general agreement among scientists or mathematicians as to what that number is?

ELI5:What is normed vector space?

edso8o

false

explainlikeimfive

Mathematics

null

ELI5: How do companies like Uber not make profits when the major costs (car wear&tear, gas etc.) are covered by their exploited contractors who don’t even receive benefits or hourly pay?

edfigk

false

explainlikeimfive

Mathematics

[removed]

ELI5: why do 3D video game graphics distort shapes when they're not centered in the player's field of view? Please see Portal screenshots in post body.

q5by2w

false

explainlikeimfive

Mathematics

https://imgur.com/gallery/iOnHiqH ^ Please see the four comparative screenshots captured from Portal. Bonus: why is this effect more pronounced for higher field-of-view settings?

Olympus Finance (OHM) eli5

q5rs14

false

explainlikeimfive

Mathematics

[removed]

ELI5: Why can’t password hackers map out every combination of input/outputs for hashing algorithms and index them, allowing them to “crack” the algorithm.

t5yql1

false

explainlikeimfive

Mathematics

I get that hashing algorithms are incredibly complex, and a one character difference in input will result in a totally different output. If a hacker had the ability to run inputs through the algorithm and see the output, couldn’t they build their own indexed database and be able to determine the input from the output, without the need to reverse engineer the hash algorithm itself?

eli5 a theory about simulation theory is that mathematics is just the code of our universe, how does math work like code for the universe aside from simulation theory?

t5mc3w

false

explainlikeimfive

Mathematics

null

ELI5: How much does the average billionaire actually have to spend?

gy8rjb

false

explainlikeimfive

Mathematics

[deleted]

ELI5 : I'VE STARTED TO DOUBT MYSELF NOW IN MONEY MATTERS.

gyaq5j

false

explainlikeimfive

Mathematics

[removed]

ELI5: A math question, I suck at math and my programmer BF isn’t willing/able to do it for me. I’ve lost a ton of weight, a total of 18 inches off my hips. Looking at me straight on how many inches am I smaller on each side?

gyh86d

false

explainlikeimfive

Mathematics

[removed]

ELI5: What's the math behind 12345679 * 8?

f6qoz2

false

explainlikeimfive

Mathematics

[deleted]

ELI5: why does PMAS even exist? Or complex math at all?

rnhq77

false

explainlikeimfive

Mathematics

[deleted]

ELI5: A bat and a ball costs $1.10 in total.

l1w3kx

false

explainlikeimfive

Mathematics

[deleted]

ELI5 Why aren't we all good at math? Those who are geniuses, see the numbers differently?

i2iav8

false

explainlikeimfive

Mathematics

In my school years, it was not bad, I never failed any math course, I had a bad time at university but I didn't fail either. However, I had classmates who failed in elementary school, and I have friends who can divide and multiply without using a calculator. I know there are people who solve big equations and problems of years, but I just don't get it. they see the different numbers? Edit: thank you all, you really make me get in a different way this. You all give me a lot to thing about it. I really appreciate the time you took to respond!!

ELI5: If two paths are going to the exact same place, how can one take less time than the other?

i2vqyl

false

explainlikeimfive

Mathematics

null

[ELI5] how is weather predicted for a week in the future? what do they look at to make these often accurate predictions?

i2x1hi

false

explainlikeimfive

Mathematics

null

ELI5: why do the graphs for COVID infection have spikes?

i2mb74

false

explainlikeimfive

Mathematics

[removed]

ELI5: how finding number of combinations work.

npqcrm

false

explainlikeimfive

Mathematics

For science.

ELI5: Why is 2 + 1 = 3 and why is 3 > 1. Are there proofs for these.

dzwrkx

false

explainlikeimfive

Mathematics

[removed]

Why 1+1=2?

bsth28

false

explainlikeimfive

Mathematics

[removed]

ELI5: Can someone explain to me what an Multivariate analysis of variance (MANOVA) does in terms of statistics and studies?

drhs09

false

explainlikeimfive

Mathematics

null

ELI5 : Math - How was it 'discovered'? Additionally, how does everything have a formula attached to it and how do people figure out those formulas?

dr8s6o

false

explainlikeimfive

Mathematics

[removed]

ELI5: Planck's length

othyqo

false

explainlikeimfive

Mathematics

[deleted]

ELI5: What is Gödel's incompleteness theorem, and why is it so infamous in Mathematics?

ms86qr

false

explainlikeimfive

Mathematics

null

ELI5: What are practical applications for prime numbers?

ms158x

false

explainlikeimfive

Mathematics

[removed]

ELI5: What are the Mandelbrot's fractals and how does the visual images of it works?

mscp2w

false

explainlikeimfive

Mathematics

[removed]

ELI5: Why are the storage options for devices like phones or laptops multiples of 16GB?

brnv42

false

explainlikeimfive

Mathematics

null

eli5: Why does the US still use the imperial system when nearly the entire world has switched to the metric system? And what the hell is up with the stone?

gzlb2c

false

explainlikeimfive

Mathematics

[removed]

ELI5 Why isn't 3 thirds (0.999999999...) add 3 thirds infinity?

j6udnu

false

explainlikeimfive

Mathematics

I know it sounds stupid but hear me out. I'll try to explain my dilemma as best I can. 19+9 is 28 If I put it in a basic method it looks like this: 19 +¹9 28 You carry the one. 3 thirds is 0.9 reoccurring, meaning that it goes on forever right? So because it goes on forever, if you carry and infinite amount of "1"'s. Yes the "1" gets 10 times smaller each time, but if you have an infinite amount, eventually they should all add up to a whole 1 right? And then again? And then again again? Yes it will take longer and longer each time, but because it's infinite it will eventually happen. But 3 thirds is equivalent to 1 right? And 1+1 is 2. Sooooo... is 1+1 equal to infinity or 2 depending on the context? Or is 3 thirds different to 1?

ELI5: What are mathematical “moments”, eg., first moment, second moment, etc.?

jy69x8

false

explainlikeimfive

Mathematics

null

ELI5: For large distances between countries, why do use thousands of kilometers instead of megameters?

w2rzni

false

explainlikeimfive

Mathematics

If you're flying to a different country, you may see the distance as "3500km". Obviously we won't use 3,500,000 meters, but why not 3.5Mm as Megameters? If the speed of light is 299 792 458 m / s, why do we refer to it as 300,000km/s instead of 300Mm/s?

eli5 - how to convert gallons to litres gas prices.

w2kq7x

false

explainlikeimfive

Mathematics

[removed]

ELI5:What is x if x = y and y = x?

fsv3s3

false

explainlikeimfive

Mathematics

null

eli5: How do we understand mathematically the ways in which natural selection work?

wkjerj

false

explainlikeimfive

Mathematics

[removed]

ELI5: Why is the Sum to Infinity of a Geometric Series not Infinity?

efggbq

false

explainlikeimfive

Mathematics

While the values added do get smaller with each addition, intuition would say that adding something an infinite number of times would lead to a sum that would equal Infinity*, even if the added value infinitely decreases. *I am aware Infinity is a concept not a number.

ELI5 What is a p-value

md6qy6

false

explainlikeimfive

Mathematics

If I'm reading a study and see a p-value, how do I know if it's significant? Is there a rule of thumb, or an informal scale that I can remember? Like "between x and y is very significant, between y and z is still significant…" And is there a simple way to explain how they're calculated?

ELI5: How are surface areas of countries calculated/measured?

fgig70

false

explainlikeimfive

Mathematics

null

ELI5: What benefits do octal have over decimal?

ieosm9

false

explainlikeimfive

Mathematics

null

ELI5 Why is 196884 = 196883 + 1?

k57b97

false

explainlikeimfive

Mathematics

Edit: There is some sort of significance in this equation according to number theory, and this is not just some random number I chose.

(ELI5) I'd like help understanding Graham's number

k5ynhn

false

explainlikeimfive

Mathematics

I'm in class right now and my teacher is talking about infinity and infinitesimal. He's been much too busy this week to explain things properly or to really talk to students for too long, so I ask here if someone could explain Graham's number? I mean to really explain, as I don't understand anything about it right now. Thank you so much, I'll be getting back to class.

uses you finger to solve times 9 problems eli5

k5ddc9

false

explainlikeimfive

Mathematics

[removed]

eli5: What is the purpose of the cutoff in statistics?

gspaaa

false

explainlikeimfive

Mathematics

What do I get from choosing a cutoff point and calculating the confusion matrix? What is the difference really when I choose a cutoff value of 0.05 as opposed to say 0.8?

ELI5 : What exactly is pi?

gt8lr9

false

explainlikeimfive

Mathematics

I've recently read about archimedes estimating a value for pi, which leads me to wonder, what exactly is pi? Is it just a ratio of circumference to the radius?

ELI5: What are the most basic axioms in maths through which everything else can be derived?

gt8syz

false

explainlikeimfive

Mathematics

[deleted]

ELI5: Can someone please explain Byrnes Paradox?

c1dfj5

false

explainlikeimfive

Mathematics

[deleted]

eli5: How can hashes be unique?

u102vn

false

explainlikeimfive

Mathematics

Hash functions return values of fixed length, so there is a limit of possible values. Even by pure logic, if we have set of all possible hashes and we hash every element if it, we get the same hash set, just in different order. Now, if we hash something that is not hash, it has to give us one of the values from set. So how is it possible that it gives unique values? Is it just highly unlikely becaue of HUGE amount of possible values?

Eli5: What's f(x) in math and how do I use it?

u0o7dy

false

explainlikeimfive

Mathematics

[removed]

Eli5 What exactly is calculus? and why does engineering depend so much on it?

u0ss8i

false

explainlikeimfive

Mathematics

[removed]

ELI5: why does the inside of a sin function affect the x value and the outside the y value

hfr7df

false

explainlikeimfive

Mathematics

null

Eli5: Dear stat gurus: explain relative risk vs absolute risk and why in the world is it important to know the difference?

hg58xo

false

explainlikeimfive

Mathematics

null

Eli5. What makes a 90% chance different from a 50/50 chance? I mean the 10% can still happen so in my understanding, everything based on chances is a 50/50 chance.

hg28of

false

explainlikeimfive

Mathematics

[removed]

eli5 If a parallelogram is circumscribing a circle will the centre of the circle also be the centre of the diagonal of the parallelogram

sz2u87

false

explainlikeimfive

Mathematics

null

Eli5 why are prime number so special?

reuwlt

false

explainlikeimfive

Mathematics

I know what a prime number is. I am just curious to know what makes them that important (especially in number theory). Thank you!

ELI5: What is Goodwillie Calculus

reh00j

false

explainlikeimfive

Mathematics

null

Why are prime numbers so special? Eli5

reuviq

false

explainlikeimfive

Mathematics

[removed]

Rijndael Encryption ELI5

ly4bcj

false

explainlikeimfive

Mathematics

[removed]

eli5: What is the difference between the congruent sign and equal sign in math?

t9s5er

false

explainlikeimfive

Mathematics

null

ELI5: Why do political polling agencies not take way bigger samples once in a while?

e9gh3b

false

explainlikeimfive

Mathematics

[removed]

ELI5: What is the meaning of the value of tangent?

f9xhv4

false

explainlikeimfive

Mathematics

The unit circle gif came around again and I can wrap my head around sin and cos as measures of the x and y components of the unit circle. but the tangent doesn't seem to be a measurement of anything and I have never really understood that. TIA

ELI5 why does most of the world use Celsius when it seems Fahrenheit is more accurate?

f9yix5

false

explainlikeimfive

Mathematics

[removed]

Eli5 a simple, easy to understand proof for Fermat's last theorem

r2nv9z

false

explainlikeimfive

Mathematics

null

ELI5: Visual Proofs for Sum of an Arithmetic Sequence and Sum of Squares.

r2p8kw

false

explainlikeimfive

Mathematics

[removed]

ELI5: Why is π IRRATIONAL when it is the RATIO of the circumference to the diameter of a circle.

ff28yb

false

explainlikeimfive

Mathematics

So rational numbers can be expressed as a fraction of whole numbers, but π never gets to those whole numbers, but is itself a ratio. Maybe it's just a case that I don't like the nomenclature, but any sort of explanation that clears it up would be greatly appreciated. Gracias.

Why is π IRRATIONAL when it is literally the RATIO of the circumference to the diameter of a circle?

ff25qh

false

explainlikeimfive

Mathematics

[removed]

ELI5: Purpose of null hypothesis?

knxlka

false

explainlikeimfive

Mathematics

Why do scientific studies try to reject a null hypothesis (e.g. this drug does nothing) instead of trying to prove a non-null hypothesis (e.g. this drug cures people with this sickness)? Both methods seem to be doing the same thing.

ELI5: The Ramanujan Summation. how does adding all natural numbers equal -1/12?

knhpl9

false

explainlikeimfive

Mathematics

[removed]

ELI5: Can someone please explain The Monty Hall problem to me. No matter how many videos I watch or other Reddit posts I've read, I cannot understand it at all.

knokug

false

explainlikeimfive

Mathematics

[removed]