Recent content by aerosmith

i recently thought of something regarding probability. and i have no clear answer to the question, i stumbled onto this site and thus needs all your help. if there is a machine that chooses a digit between 0 to 9 , what's the probability it chooses 1? well, my answer is 0.1, fact is, 0.1 is...

thanks thanks to all of you for the replies, now, at least most of my doubts are cleared i really appreaciated all u guys help, even though some were not related to physics, u guys still threw in ur knowledge, thanks

I have always had a lot of simple questions that i cannot search on the net, so i stumbled upon this community where there are so many smart people, so i would appreciate if u guys can answer my questions which i had for many years from young i have always wondered why i get an eerie feeling...

thanks thats what i thought too...but... if you look closer at the question, it says the order the ball was picked does not matter, that does not mean the order it will be after all 3 were picked did not matter, am i right to say that?

thanks thanks for the reply, but i thought the order did not matter? why would it be 20*3 and not just 20 since order does not matter.

i recently had my A levels exam and was stuck at a question there are 8 balls in a box, 3 are similar and the rest are different, how many ways can 3 balls be chosen if the order of picking out the balls is not important its worth 4 marks, and i do not know where to start even.:frown:

ok, so now i know i was right, time to get to school and prove to my teacher that there is no answer, since the question asks for a value, ty ppl for helping me, i wasted 5 hours of my life working on something i got right 5 hours ago, once again ty ppl, help appreciated.

can anybody help solve this for me?

sorry bout the i, i edited already, what do u mean by the cis rule or exponential equality, can u teach me?

if z = 2 r cos x + r i sin x what is the value of lzl I worked for 3 hours but yet can only find lzl in terms of r and x, but the question says find the value, can anyone help solve? this is a special question to me because i always see polar forms with coefficient of the sin and...