Answer:
Step-by-step explanation:
I assume that the last question should read "cosE"
6 one coin can fall on heads and tails and also stand straight up that’s 3 ways one coin can fall since you said 2 coins it’s 6 ways
I'd be more than happy to help. Im a sophmore and Love math
Answer:

Step-by-step explanation:
We are given that a function

We have to find the derivative of the function

By using 
Differentiate w.r.t x

By using formula


Hence,the derivative of function

9514 1404 393
Answer:
50 ft
Step-by-step explanation:
The side lengths in a 30-60-90 triangle have the ratios 1 : √3 : 2. The longest side is 2 times the length of the shortest side.
In this geometry, that means the length of the escalator is 2 times its height, so is ...
x = 2(25 ft)
x = 50 ft . . . . . distance a person travels