Z=20x+10y,x+2y<28 and 3x+y<24,x>2,x,y>0
Question
Maths
Aug. 18, 2019, 10:22 p.m.
Answer
A man in a boat rowing away from light House 200 m high take 2 min to change the angle of elevation of the top of the light House from 60° to 45°. Find the speed of the boat
A hemisphere of lead of radius 8cm is recasted into a right circular cone of base radius 6cm . Then the height of the cone is