If `(0.2)/(x) + 0.1 ge 2.1`, then `x le` ______

Using integration, find the area of the region {(x,y) : x^(2) +y^(2) le 1, x+y ge 1, x ge 0, y ge 0}

Using integration, find the area of the region {(x,y) : x^(2) +y^(2) le 1, x+y ge 1, x ge 0, y ge 0}

Find graphically the solution sets of each of the following systems of inequalities : x_(1) + x_(2) le 6 x_(1) ge 3 2x_(1) + 3x_(2) ge 3 x_(1) ge 0, x_(2) ge 0

3x + 4y le 60, x ge 2y , x ge1 , y ge 0

Solve : x + 2 ge 0 and 2x - 5 le 0

Solve : x + 2 ge 0 and 2x - 5 le 0