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dannmend123
10.04.2021 •
Mathematics
Which addition does the model below represent?
+
+
+
+
OOO
8+(-3)
2+(-3)
5+3
5+(-3)
Solved
Show answers
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Ответ:
5 + (-3)
Step-by-step explanation:
there are 5 positives and 3 negatives
so when you add them together you get 5 + (-3)
Ответ:
ok, so example
let's say he has 3 people on his team (not realistic but it's an example)
4yr and 7yr and 4yr
3 people
4+7+7=15
15/3=5, mean is 5
if the 7yr old leaves and is replaced witha 6 year old
4+6+4=14
14/3=4.6666666666666666666666666666667
the mean is no longer 5 because one of the values changed