Solve x^2 + y^2 = 36 for y. After solving for y, graph the function. Show solution steps.
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Answer:
Step-by-step explanation:
Hello,
as the mean age of 5 people is 40
it means that the sum of the 5 ages is 40*5=200
now a person enters the room, let's note x his age
the new mean is
So the age of the new person is 16
hope this helps