Una matriz cuadrada A se denomina idempotente si A2=A, y una matriz cuadrada C se denomina involutiva si C2=I, donde I es la matriz identidad. Demuestre que si A es idempotente, entonces C=2A−I es involutiva.

Assessment items item 1 garrett is a member of a movie club. he pays a monthly service fee of $5.75 and $2.50 for each movie he rents. which expression represents how much money he will spend for renting x number of movies a month?

Is trapezoid abdc the result of a dilation of trapezoid mnpq by a scale factor of ? why or why not? yes, because ab and cd are each the lengths mn and qp. yes, because sides ab and cd are parallel to sides mn and qp. no, because ab is the length mn but cd is the length qp. no, because sides ab and cd have different slopes from sides mn and qp.

Simplify the expression 10/11(22z) + (a+5) -1