Answer:
The length is 22.1
Step-by-step explanation:
5.2 + 5.2 + 22.1+ 22.1 = 54.6
Answer:
38 m/s
Step-by-step explanation:
We are given that
D represent Rachel's remaining distance( in meters ) as a function of time is given by

We have to find the Rachel's speed.
We know that

Substitute the values then we get



Hence, the Rachel's speed is given by =38 m/s
Answer:
90⁰
Step-by-step explanation:
y=cosx
y'= -sinx
eqñ of tangent is y=-x
slope of tangent =-1
we know...
slope of tangent = y' or derivative of y
-sin x = -1
sin x= 1
x = 90⁰
Answer:
1/4
Step-by-step explanation: