El promedio aritmetico de 60 numeros es 38 siendo 45 y 55 dos de los numero, eliminando estos
2 numeros d promedio de los restantes es:
Explicar

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

Simplify this expression.2(10) + 2(x – 4) a. 2x + 16 b. x + 12 c. 2x + 12 d. x + 16

Which of the following is not a subset of {1,2,3}?