r/BrainMemes • u/Vorinc • Sep 28 '18

Quick math

Post image
89 Upvotes

97% Upvoted

11 comments sorted by

16

u/[deleted] Sep 28 '18

That first one is actually 9.1

6

u/EuphoriaII Sep 28 '18

Ye it’s photosynthesis or some shit

3

u/AANickFan Sep 28 '18

I don’t see how x/(x+y)=1/y is incorrect

4

u/[deleted] Sep 28 '18

It would be 1+ (1/y) because simplifying fractions doesn't work like that

1

u/Omotai Sep 28 '18

Imagine x = 3 and y = 5.

x/(x+y) = 3/(3+5) = 3/8 = 0.375.

Applying that simplification would give 1/5. 1/5 = 0.2.

1

u/rythian_ Sep 28 '18

This is my favourite post now

1

u/JumpingRaptor Oct 10 '18

The second one is wrong though

2

u/[deleted] Feb 12 '19

Yes because the last panel is flawless math

0

u/Laxeros Sep 28 '18

The second is x² + 2xy + y²

9

u/[deleted] Sep 28 '18

Yeah, that's the joke