zoeselker zoeselker

22-09-2021
Mathematics

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the arithmetic mean of 5, 10, 15, and z is 20. what is z?

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Respuesta :

AlbertEin2006 AlbertEin2006

22-09-2021

Answer:

z is 50

Step-by-step explanation:

total out of 4 = mean, form equation

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