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The parts of a compass are located at the nodes of an infinite sheet of checkered paper, the cells of which are squares with the side 1. You may, without changing the radius of a compass, turn it around one of its parts to move the second part to the other node on the worksheet. Is it possible in several of such steps to swap the parts of a compass?
Three brothers visited their sick friend in one day, and in the same day their wives also visited him. No one of the visitors came more than once. Every brother has met both of his brothers’ wives in the house of their sick friend. Prove that at least one of the brothers have also met his wife it that house.
In what case the vectors AB and BA are equal?
It is known that the sequences {xn} and {yn} have a limit. If we form the sequence {x1; y1; x2; y2; … ; xn; yn; … } would it have a limit?
I have created a chat program in Visual Basic 6 using C++, but I want the client to show the server IP address so that I can communicate over a LAN network. Can anyone help?
2/3 (x+9) = 1/3 (12-x)
Write the statement(or statements) that uses function rand() to determine a random floating point number between 12.5 and 24.5 and assigns the number to variable ran1. How can I do this?
How can I assign "words" to the string and call them when I need? Please explain with code example.
What is relative velocity?
The sequence {xn} tends to zero.
a) Could there be members bigger than 1000000 in this sequence?
b) Could all the members of this sequence be negative?
c) Could all the members of this sequence be bigger than 0.000001?
