(2x-1)(x+4)
2x^2 + 8x -x -4
Simplifies to
2x^2 + 7x - 4
<span>Seth travelled 1 mile in 57.1 seconds. Now, I hour = 60 minutes and 1 minute = 6-0 seconds. Thus, 1 hour = 3600 seconds. Thus, 1 mile/57.1 seconds = (1 mile/ 57.1 seconds)(3600 seconds/1 hour) = (3600/57.1) mile/hour ≈ 63.047 mile/hour.</span>
Answer:
Step-by-step explanation:
Start by converting 8 feet to inches. Note that 1 feet = 12 inches.
We can set up a unit converter:
The feet cancel out leaving us with:
The scale factor is: