jun gajetos

a piece of wire 12 meters long is cut into two pieces.one piece is bent into the shape of an equilateral triangle and the other into the shape of a circle.how should the wire be cut so that the combined area of the two figures is as small as possible?

completing the square of x^2-3x-8=0

the area of a rectangular room is 65 m^2. Find the perimeter of the room given that its length is 3 m more than thrice its width

the area of the rectangular tabletop at the right is 3 square meters. If the width is 0.5 m shorter than the length, what are the dimension of the tableshop?

Highway engineers often use quadratic functions to model safe distance for cars. For example, f(x)= 1/2 x^2 + 4/5x is sometimes used to model the stopping distance for a car traveling at X miles per hour on dry, level pavement. If a driver can see only 20...