De acuerdo con el tabulador de puestos de una compañía, los salarios mensuales que obtienen los trabajadores son los que se muestran a continuación: $16 400, $16 000, $12 000, $31 000, $14 600 •¿Cuál es el salario promedio?

•El promedio de 5 números es 40. Al eliminar dos de ellos el nuevo promedio es 36.

•¿Cuál es el promedio de los dos números eliminados?

Acarnot refrigerator operates in a room in which the temperature is 21°c and of power when operating. if the food compartment of the refrigerator is consumes 3 kw to be maintained at 2°c, determine (a) the coefficient of performance of the cycle and (b) the rate of heat removal from the food compartment. refrigerator cycle that has a higher coefficient of performance than that of the discussed (e) is it possible to develop a carn ot refrigerator, operating between the same temperature limits? explain