The Pythagorean theorem is a^2 + b^2 = c^2. You use it when solving for the sides of a triangle.
An imaginary number " i " is the squared root of -1, so whenever you square i it's like squaring a squared root. The squared root would cancel and you would be left with just the number under it, that is, the -1.
i ^ 2 = -1
2 1/2 feet can be written as 2.5 feet.
Divide the total distance by the distance per second:
15.6 feet / 2.5 feet per second = 6.24 seconds.
Answer:
6.5
Step-by-step explanation: