Answer:
Step-by-step explanation:
We need to apply the following identity:
Then, applying this, you know that for :
We need to remember that:
and
Therefore, we need to substitute these values into .
Then, you get:
Solve this on your own and find the unit rate of miles per hour.
1 answer:
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Keywords:
<em>equation, operations, equivalent, binomial, square root </em>
For this case we have an equation in which we must apply operations to rewrite it in an equivalent way. We must start by raising both sides of the equation to the square. Thus, we eliminate the square root of the left side of equality and finally solve the binomial of the right side of equality.
So we have:
By definition:
Thus, is equivalent to
Answer:
Option D