Answer: x = {2, 5, -2}
<u>Explanation:</u>
see attachment
9. Which of the following groups of numbers are all prime numbers? O A.3. 11, 23, 31 OB.7. 17. 29. 49 OC. 2,3,5, 9 D.2, 5, 15, 1
2 answers:
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Answer:
The time required to finish the work by both candy and Tim working together = 36.83 minute
Step-by-step explanation:
Time taken by the candy to finish the work = 85 min
Time taken by the Tim to finish the work = 65 min
Thus the time taken by both to finish the work =
Put the values of and
we get ,
=
=
= 36.83 minute
Thus the time required to finish the work by both candy and Tim working together = 36.83 minute
Answer:
Un batido de proteínas cuesta $ 5,25.
Step-by-step explanation:
El sistema de ecuaciones descrito al final del enunciado coincide con lo descrito al comienzo del mismo, de modo que podemos concentraron casi exclusivamente en la resolución del sistema en cuestión, la cual se describe a continuación:
Este es el sistema a resolver:
(1)
(2)
Donde es el coste de un batido de fresa y
corresponde al coste de un batido de proteínas:
1) Despejamos en (1):
2) Eliminamos en (2):
3) Simplificamos y despejamos :
Un batido de proteínas cuesta $ 5,25.