Sin a b sin a cos b sin b cos a. N Where the xs are the values for the desired mean and N is the number of values involved Median if odd number of values arrange values in numeric order then choose the value in the middle if even number of values arrange values in numeric order then add the two middle values and divide by 2 Mode the value that appears most often Range subtract the lowest value from the highest value. Sales tax price of item tax rate.
An equals sign two or more variables x y etc that stand in for values we dont know yet.
Shutterstock Tursunbaev Ruslan This simple equation which states that the quantity 0999 followed by an infinite string of nines is equivalent to one is. Perimeter of a Trapezoid abcd Area of a Trapezoid frac12 times h times a b Where. Cos a b cos a cos b - sin a sin b. Algebra also includes real numbers complex numbers matrices.