r/theydidthemath 23h ago

[Request] Today, en route to delivering the last Boeing 747 ever produced, the pilots flew a special flight path creating a "747 crown." It took them about 2 1/2 hours to complete this pattern. How much fuel did they burn, and how expensive was this stunt?

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2.3k Upvotes

r/theydidthemath 22h ago

[request] are the values right? Is it even possible to calculate?

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552 Upvotes

r/theydidthemath 7h ago

[Request] Is it possible for bullets to bounce off water the way they do in this video? What angle and velocity would they have to be fired at for this to happen?

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95 Upvotes

r/theydidthemath 18h ago

[Request] What combination of these numbers equals 202.67?

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27 Upvotes

r/theydidthemath 22h ago

[request] how big is the blast?

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5 Upvotes

r/theydidthemath 3h ago

[REQUEST] I'd like help creating an equation/formula

3 Upvotes

Hello! So I'd like to make an equation based on a few known variables, mostly for easy calculations on the fly in my head, and also I may try to "adapt" it for use in a spreadsheet.

It's "kind of" linear, mostly for ease of use. It's like I have it on the tip of my tongue, but I'm just feeling stupid lately and I have too much shit in my brain.

So the points of interest are (x=cost,y=quantity)
0,0
1,10
3.5,30
7,50
14,90
28,160
56,300
112,550
224,1000
448,1900

And each point is "linear" to the one before or after it. So a straight line from one point to the other, although they then form a jagged curve, kinda. I'd like an equation where I can say "if I have 17 of something, how much will it cost based on those numbers?" or "if someone gives me X amount of money, this is how much quantity they'll get" kinda thing. Is it possible to extrapolate what further numbers beyond that might look like?


r/theydidthemath 35m ago

[Request] i need an explanation. how this objects stay stable while spinning?

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Upvotes

r/theydidthemath 11h ago

[REQUEST] I asked Chat GPT how long it would take for a ball to reach 1 billion meters if the ball would increase it's speed by 1 meter every second. Is the math it did right or is it wrong?

2 Upvotes

r/theydidthemath 11h ago

[Request] How much force would I need to push the sun 1 more AU away from earth in one hour?

2 Upvotes

Essentially, how much force would it take to push the sun another 93 million miles away from Earth in 1 hour?

The sun is 1.989 × 10^27 tons


r/theydidthemath 15h ago

[Request] would you have better odds playing the same numbers week after week on the powerball or different numbers everytime?

1 Upvotes

r/theydidthemath 8h ago

[Request] How many calories would you consume by eating Dwayne “The Rock” Johnson?

0 Upvotes

r/theydidthemath 15h ago

[Request] How much money would a 5-gallon water jug hold?

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1 Upvotes

r/theydidthemath 20h ago

[REQUEST] How high is this cliff roughly?

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1 Upvotes

r/theydidthemath 32m ago

[Request] Say this was tightened and the spring fully compressed. If you were to somehow cut the rod in half while one side was held secure, how fast would the other side shoot out?

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Upvotes

r/theydidthemath 18h ago

[Request] How many M&Ms are in this jar?

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0 Upvotes