1. Determine the center of mass of the triangular region with vertices (0,0), (5,0) and (0,2) if the density function is proportional to 7 times the distance from the y-axis. (Evaluate inner integrals by hand and then use your calculator to evaluate the second integral. Round your answers to 2 decimal places.) (18 points)

In angle pqr find the measure of

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.