Answer:
(3x² - 2)(x² + 5)
Step-by-step explanation:
Given
3 - 2x² + 15x² - 10
Factor the first/second and third/fourth terms
= x²(3x² - 2) + 5(3x² - 2) ← factor out (3x² - 2) from each term
= (3x² - 2)(x² + 5)
Which value is MEAN of the data set?
1 answer:
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Answer:
A.
Elena can run 3 miles per hour.
Step-by-step explanation:
Given that:
a circular running track = 1/5 mile
On this track, Elena runs completing each of the laps in 1/15 of an hour
We are to find Elena running speed.
It implies that the distance of Elena =
Time to run each lap =
Speed is the amount of distance covered in a specified period of time.
Recall that the formula for calculating speed is:
Speed = 3miles / hour
As such, Elena can run 3 miles each hour.