Kyle swam 450 yards in 5 minutes. What is the average number of yards he swam per minute?
1 answer:
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ANSWER
The restrictions are
EXPLANATION
We were given the rational function,
The function is defined for all values of a, except
This has become a quadratic trinomial, so we need to split the middle term.
We do that by multiplying the coefficient of which is 5 by the constant term which is 3. This gives us 15.
The factors of 15 that adds up to 16 are 1 and 15.
We use these factors to split the middle term.
We now factor to get,
We factor further to get,
This implies that,
This gives
These are the restrictions.
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Answer:
The z-score is
The percentile is
Step-by-step explanation:
From the question we are told that
The data value is 0.6 standard deviations above the mean i.e
Where is the population mean and
is the standard deviation
Generally the z-score is mathematically represented as
=>
=>
The percentile is obtained from the z-table and the value is
=>