fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 7 months agoNice.mander.xyzimagemessage-square11fedilinkarrow-up1407arrow-down134
arrow-up1373arrow-down1imageNice.mander.xyzfossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 7 months agomessage-square11fedilink
minus-squareMalgas@beehaw.orglinkfedilinkEnglisharrow-up45·7 months agoThis works for all numbers ending in 9: x*9+x+9=x(9+1)+9 =10x+9
minus-squareTheOakTree@beehaw.orglinkfedilinkEnglisharrow-up10·7 months agoIt makes sense, it’s basically always 10*x+9.
minus-squarebstix@feddit.dklinkfedilinkEnglisharrow-up1arrow-down1·7 months agoDoesn’t make much sense for negative values of X, nor decimal numbers.
minus-squareTheOakTree@beehaw.orglinkfedilinkEnglisharrow-up1·7 months agoThen simply change the statement to say for any whole number X
This works for all numbers ending in 9:
x*9+x+9=x(9+1)+9=10x+9It makes sense, it’s basically always 10*x+9.
Doesn’t make much sense for negative values of X, nor decimal numbers.
Then simply change the statement to say for any whole number X