An example of a mathematical expression with a variable is 2x + 3. All variables must have a coefficient, a number that is multiplied by the variable. In the expression 2x + 3, the coefficient of x is the number 2, and it means 2 times x plus 3.
Suppose that △ opq is isosceles with base qp . suppose also that m ∠ o = (5x + 43) ° and m ∠ q = (3x + 30) ° . find the degree measure of each angle in the triangle.
Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square