math no make sense

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radius is length of center of a circle to the outside of the circle at any point

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pi r ^2 is circle area

2pi r is circumference

Avatar of Platypus
icyboyyy wrote:

percentages are out of 100, but are you doing something like percentage conversion?

im done but earlier there was one 24 percent of 35

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icyboyyy wrote:
chessPlatypus01 wrote:
icyboyyy wrote:

percentages are out of 100, but are you doing something like percentage conversion?

im done but earlier there was one 24 percent of 35

that's 8.4

yezz i random guessed cuz i thought that was the closest so how do u do this sauce like the process

Avatar of Platypus

wat

Avatar of Platypus
icyboyyy wrote:
chessPlatypus01 wrote:

wat

dyk how to do multiplication and fractions?

yes

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oh i did it wrong i did 100 divided by 35 im bonk sauce

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icyboyyy wrote:
chessPlatypus01 wrote:

oh i did it wrong i did 100 divided by 35 im bonk sauce

oofers

poofers

Avatar of leahabs1
Pi is a circles circumference divided by its diameter. This is a ratio so it can’t change, and it’s irrational. You can test this yourself, by measuring a circumference of any circle and using the formula, Pi = c/d. And rearranging this formula, you can calculate a circles diameter or circumference, as long as you know one. Like if a circles radius= 2, we know that c=2(2)Pi.
Because c=2Pi(r), A= Pi(r)^2, interestingly enough, I noticed that the circumference of a circle will always be the first derivative of its area.
Avatar of p8q

Pi and infinity don't exist, in the first place, they are symbols to represent a concept: nobody knows the exact value of Pi, so Pi still doesn't exist and a perfect circle has never being created or observed in the universe. And infinity still hasn't being proved to exist.

Math and physics don't make sense, but we use them because they work for us in an approximate way.

Avatar of leahabs1
Yet we use both Pi and infinity in mathematics, that helps us with real world problems. That’s good enough for me.
Avatar of p8q

I'm glad it's OK for you. Although it's not OK for me,  mathematicians or any scientist, who want to discover how the universe really is. That's the reason math and physics are always in constant evolution and research. 

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Hey hey I will be a physicist, and I have absolutely no idea why you think that it won’t be okay for me.
Avatar of p8q

Cool!! physicist, that's cool thumbup.png

I thought it was ok for you because before you said that math solving problems was enough for you. here in post #75

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GoldaA1 wrote:
Yet we use both Pi and infinity in mathematics, that helps us with real world problems. That’s good enough for me.

Here

Avatar of krazeechess

Ok so first of all, tell me exactly what you are struggling with.

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krazeechess wrote:

Ok so first of all, tell me exactly what you are struggling with.

Tons of stuff with funny symbols

Avatar of p8q
krazeechess wrote:

Ok so first of all, tell me exactly what you are struggling with.

Basically i struggle with everything... every single thing i do needs energy, time, a focused mind... the only thing i don't struggle is with having a nap. So, how can you help me with this? thank you

Avatar of leahabs1
p8q wrote:

Cool!! physicist, that's cool

I thought it was ok for you because before you said that math solving problems was enough for you. here in post #75

You’re wrong though, mathematicians and scientists use Pi and infinity in calculations that work every single time. Just because they both never end, that doesn’t mean they don’t exist. And don’t get me started on Gödel’s incompleteness theorems. And yea, a physicist as a job is freaking awesome, I’m mainly interested in theoretical physics. 

Avatar of krazeechess
chessPlatypus01 wrote:
krazeechess wrote:

Ok so first of all, tell me exactly what you are struggling with.

Tons of stuff with funny symbols

Well, the trick to remembering stuff like this is understanding them, not memorizing them. If someone tells you to memorize it, don't listen to them until you understand it first. There are a few things that you need to memorize, such as the quadratic formula, but your not at that level yet. For example, lets take Pi. Pi is used to calculate circumference (perimeter of circle) and area. There are more uses, too many to state. Easiest way to think about it is that the diameter of the circle (a line that goes from one point on the circle to the exact opposite) is Pi times less than the circumference. Basically, if you multiply the diameter of any circle by Pi, you get the circumference. Tell me if there is anything else you don't understand.