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DidTheMath

[Request] How much did it cost in US dollars to fire these munitions?

https://redd.it/1rholi6
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[Request] How much energy does a feat like this require? Any unit you feel makes this easier to calculate is welcome, I'm just curious of the rough. outlook

https://redd.it/1rgul9h
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DidTheMath

[Request] In Farkel, how likely is it that your first roll of 6 dice will be "one-off" of a combination that lets you count all 6?
https://redd.it/1rhd2mz
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[Request] is this true
https://redd.it/1rfwegz
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DidTheMath

[Request]Winning a round of poker with only a pair of 2's
https://redd.it/1rgq5pi
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DidTheMath

[Request] At the same velocity how much more damage (in megatons of TNT?) would this asteroid do to Earth vs Chicxulub impactor, the one that ended the Dinosaurs in the Yucatán.
https://redd.it/1rgqo0c
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DidTheMath

[Self] Saw this and my mind immediately went "25 and 50" and comments made me think Im the weird one, does anyone here thinks like this?
https://redd.it/1rgul9r
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DidTheMath

[Request] How many hungry people can $10 billion dollars feed?

https://redd.it/1rb7hc5
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DidTheMath

Lack of actual mathMeta

Recently there has been a surge of non math related answers flooding the comment section of many posts here. More people are answering with "I think xyz will/would happen" instead of actually mathing it out. These kinds of comments get too many upvotes and then drown out the actual math comments. Mods please do something about this issue.

https://redd.it/1razo8t
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DidTheMath

Request Difference in persons weight while moving palette jack.

Hi guys. I got one practical request.
Let's say we have pallette, for example loaded with 700 kg. How much easier is to move the pallette with pallette jack for my coworker, who have 85 kg, opposed to my 60kg?

(Sorry for mistakes, English is my third language)

https://redd.it/1raxivf
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Request I keep seeing posts on corporate profit margins, and it got my wondering what a regular person's "profit margin" would be for comparison.


Hello! I am not a mather in the sense that many people in this sub show up wanting to be. I had a curious thought around what the "profit margin" for the average person would be, the variables to quantify in there, and how it holds up to corporate profit margins. You cats have any ideas?

https://redd.it/1rarm0i
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[Request] How many prescription drug names are realistically possible?
https://redd.it/1r9zvc9
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[Request] What would happen if this hit Earth? How many Hiroshima bombs worth is this impact?
https://redd.it/1r9l36i
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[Request] How long would it take to get up/down?

https://redd.it/1ra0b08
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[Request] How many years would an average American earning $60k need to work to match Elon Musk’s net worth, even after inflation?
https://redd.it/1r9vd3d
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[Request] How many negative Gs was he subjected to due to instant de-accerlation from +80 to 0.

https://redd.it/1rhm8t6
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What the hell is going on in the second to last reply? [Request]
https://redd.it/1rhfxa5
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How much money would it cost to connect a steel cable from The Moon to the Earth? [request]
https://redd.it/1rhfs46
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[request] How much storage would be necessary if all iPhone microphones were constantly recording and saving files somewhere?
https://redd.it/1rgbq5a
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[Request] How many alcohol pads would you need to soak in water to get drunk?
https://redd.it/1rh1dl5
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[Request] How much money UK gov owe to this man
https://redd.it/1rga2yy
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[Request]: Does a human take more energy than an SOTA LLM?
https://redd.it/1rbj3ib
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[Request]: How much does my tape ball weigh?

https://redd.it/1rb5gxi
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DidTheMath

Request I built a 5x5 toroidal sliding puzzle, but the combinatorics are way over my head. How many possible states are there?

Hey everyone, I am a software developer, not a mathematician. I recently built and launched a daily web puzzle called **Rowtate**.

It is a 5x5 grid of scrambled letters. You can shift entire rows horizontally and columns vertically. The tiles wrap around the edges when pushed off the board, making it topologically a torus.

To make sure my daily puzzles were actually solvable in a reasonable number of moves, I wrote a C++ Bidirectional BFS solver to brute-force the shortest path. But watching the state space explode in my terminal got me wondering about the actual underlying math, and I have no idea how to calculate it.

My two questions for the math community:

1. The Maximum State Space: If all 25 tiles were completely unique (e.g., numbered 1 through 25), what is the total number of reachable board states? I know 25! is roughly 1.55 x 10\^25, but do the wrap-around constraints restrict the reachable states to a smaller subset (like the Alternating Group)?
2. The Duplicate Letter Problem: In the actual game, the tiles are letters. A target word like "APPLE" has two 'P's, and the 20 random filler letters almost always generate duplicates (multiple 'E's, 'S's, etc.). How do you calculate the actual number of visually distinct board states when you have repeating elements?

I have seen AI agents mention terms like "Burnside's Lemma" or "Group Theory" for this kind of thing, but I have no idea how to actually apply them to a 5x5 grid. Any explanations meant for a programmer would be amazing!

Link to the live game: https://rowtate.app

https://redd.it/1raz0lj
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[Request] What would actually happen if we did this? Are there any potentially dangerous outcomes?
https://redd.it/1rawk24
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[RDTM] Now that’s trippy
https://redd.it/1rarl2n
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DidTheMath

RequestIf you were to jump out of an airplane fully strapped to mattresses, how many mattresses would you need before you didn't die on impact?

Assume a really good quality memory foam, not like a shitty box spring. Please help me settle this debate.

https://redd.it/1raal5c
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[Request], does it take 22 years to count out 243 million numbers?
https://redd.it/1ra38lz
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DidTheMath

[Other] How much power could be generated if you ignited this ingot and used it to boil water to spin turbines?
https://redd.it/1ra01zj
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How much radiation could he be exposed to and would it be harmful? [Request]

https://redd.it/1r9y3qa
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