Answer:
A = 50.26 sq meters
Step-by-step explanation:
we have to find the diameter first by using the circumference:
C = πd
25.12 = πd
25.12/π = d
8 = d
this means the radius is 4
A = πr²
A = π4² or 16π
It’s the number 2
Step-by-step
By using dimensional analysis, we can find the km/hr quickly
He travels at about 90.91km/hr
16=(n+7)4
4=n+7
-3=n
so -3 is the answer
f(5) = -1
f(5) is x = 5.
When x = 5, y = -1.
Therefore, f(5) = -1