7h
comment Minimize distance between the ships
I have found the answers: At 2 P.M. the distance is minimium possible. And the distance is 30 mi. :)
7h
comment Minimize distance between the ships
André, I can see now. When t increse, the size of the edges will change too. So, the formula d²=(50−16x)²+(12x)² work fine, thinking each equation give to me the location of each ship.
7h
comment Minimize distance between the ships
I guess you idea will find the distance between the vertices A and B of this triangle. Is it right ?!
7h
comment Minimize distance between the ships
Sorry but I do not understand yours formula. Can you be more specific ?
7h
revised Minimize distance between the ships
added 1 character in body
7h
comment Minimize distance between the ships
Yes, that is what I mean. The idea semms wrong ?
7h
asked Minimize distance between the ships
2d
awarded Curious
2d
comment Maximize profit
wooow... It is true. I have confused. '-'
2d
comment Maximize profit
Ok thank you, sorry for misstake. I was just confused with the answer the book guive me.
2d
revised Maximize profit
sorry the price is 100
2d
asked Maximize profit
Jul
15
accepted Differential problem, how to get y''?
Jul
10
comment Differential problem, how to get y''?
Can you see my answer on the question? Is it right ?
Jul
10
revised Differential problem, how to get y''?
added 79 characters in body
Jul
10
comment Differential problem, how to get y''?
I eddited the post, count youi answer me please?
Jul
10
revised Differential problem, how to get y''?
deleted 4 characters in body
Jul
10
comment Differential problem, how to get y''?
"Just substitute the value", sorry but what value ?
Jul
10
asked Differential problem, how to get y''?
Jun
30
comment How to get the Normal line?
(x+1)(x-1)(x^4+4x^2+7))/((x^2+1)*4), Hahahah now I see. Really easy. @pidude
1 2 3 4 5