Hugo multiplico un numero por 2y le sumo 38 mariano multiplico ese mismo numero por 7 y le sumo 3ambos obtuvieron el mismo resultado ¿de que numero se trata?

Tree diagram to find the prime factors of 18

Astudent drew a circle and two secant segment. he concluded that if pq ~= ps, then qr ~= st. do you agree with the student’s conclusion? why or why not?

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected