(a) The perimeter of the shape is the sum of half a circumference and the diameter itself.
The circumference of a circle with radius is , and since we can write the circumference as
So, half a circumference is
Ad we get the perimeter by addind the diameter:
(b) Given the perimeter, we can solve for :
So, we can divide both sides by the parenthesis and we have
Of what? There is not enough info
Answer:
8100
Step-by-step explanation:
3,600×0.09×25=8100
f ( x ) = 1 - e^x
We have too find the slope of the graph at the point: f ` ( x o ), where x o is a coordinate of the point where the graph crosses the x-axis ). Also an equation of the tangent line is: y - y o = f ` ( x o ) ( x - x o ) , but we don`t need it here ( we just need to find the slope ).
1 - e ^x = 0
e ^x = 1 => x o = 0
f ` ( x ) = - e ^x
f` ( 0 ) = - e^0 = - 1
The slope is : m = - 1
Answer:
Step-by-step explanation:
69 + 15h = 39h
69 = 39h - 15h
69 = 24h
69/24 = h
2.875 hrs <======
69 + 15(2.875) = 39(2.875)
69 + 43.125 = 112.125
$ 112.125 = $ 112.125 <====
I didn't round anything.