Las 4 preguntas son de aprendo en casa semana 06 help ¿Qué estrategia se utilizó para resolver la situación significativa? ¿En qué consistió el método para resolver el sistema de ecuaciones? ¿Cómo se denomina? ¿Qué significan los puntos de cada recta? ¿Cómo interpretas el punto de intersección de ambas rectas?

What is the area of the trapezoid shown ?

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.

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.