Solve the below:
Q1) A piece of paper for a poster contains 1000 cm^2. The margins at the top and bottom are 9cm and the side margins are 6 cm. What are the dimensions of the sheet if the printed area is to be a maximum.
Q2) At 9am ship B was 65km due east of ship A. Ship B was then sailing west at 10km/h and A was sailing south at 15km/h. When will they be nearest each other , and how near
Q3) A cylindrical container is to hold 64 cm^3. Find the dimensions for minimum surface area when the container
A) is an open cup
B) is a closed can