zamorano5912
28.03.2021 •
Mathematics
pam is 17 years old and her sister is 9. her two brothers are 11 and 7 years old. what is the mean of their ages
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Ответ:
11
Step-by-step explanation:
17+9+11+7 divided by 4
because the mean= sum of the terms divided by the number of terms
the sum= 17+9+11+7=44
the number of terms= 4
44 divided by 4= 11
Ответ:
(17+9+11+7) / 4 mean is an average
it is equal to the sum of the elements divided by the number of elements
the sum is 44
the number of elements is 4
the mean is the average= 44/4=11
Step-by-step explanation: i dont know why they would ask that
Ответ:
the answer to the question is A