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1 answer:
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Answer:
The child needs a score of 37.2 to move up to the next level of the competition.
Step-by-step explanation:
The mean is the sum of all scores divided by the number of competions. So
In which S is the sum of all her scores and T is the number of competitions.
The child has five competions:
Which means that
She has to get a mean of at least 36.5, so
Her scores are: 35.5, 36.3. 36.6, and 36.9. Her last score, i am going to call x. So
The child needs a score of _____ to move up to the next level of the competition.
This score is x. So
Answer:
Step-by-step explanation:
since g(x) is equal to , you just plug in the value of 2 for x, to get
, and 2 to the power of 2 (also known as 2 squared) is equal to 4, which makes your equation
, which equals 5.