Julius noticed that if he takes the opposite of his age and adds 50, he gets the number 30. How old is Julius?
1 answer:
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Combine like terms
3a + 2a = 5a
5a - b
5a - b is your answer
hope this helps
I think you just have to add all of the totals up??
There follows the formula for "z-score:"
raw score - mean
z = ------------------------------
standard dev
9.1 - 8
Here, the z-score is z = ------------- = 0.344
3.2
Answer:
#1. 2 and 16
#2. 12
Step-by-step explanation:
Answer:
The first one.
Step-by-step explanation:
The first one. 7x² times 2x = 14x³