Answer:
i believe the answer would be c!
Step-by-step explanation:
Answer:
A) $71,26
B) 84.207
Step-by-step explanation:
For the part A as the resident has use 40.000 gallons we need to divide that number in 741
=40.000/741=53,98
Thats the quantity of portions and every portion is $1,32 than we multiply
=53,98*1,32
=$71,26 (the bill for the resident)
For the part B you have $150 for the bill and every portion price is $1,32 than first we need to know how many portions the custumer can buy
=150/1,32
=113,64 portions
And every portion has 741 gallons, then we multiply to find the total gallons
=113,64*741
=84.207
Answer:
Choice D
Step-by-step explanation:
Hope this helps!
To determine the centroid, we use the equations:
x⁻ =
1/A (∫ (x dA))
y⁻ = 1/A (∫ (y dA))
First, we evaluate the value of A and dA as follows:
A = ∫dA
A = ∫ydx
A = ∫3x^2 dx
A = 3x^3 / 3 from 0 to 4
A = x^3 from 0 to 4
A = 64
We use the equations for the centroid,
x⁻ = 1/A (∫ (x dA))
x⁻ = 1/64 (∫ (x (3x^2 dx)))
x⁻ = 1/64 (∫ (3x^3 dx)
x⁻ = 1/64 (3 x^4 / 4) from 0 to 4
x⁻ = 1/64 (192) = 3
y⁻ = 1/A (∫ (y dA))
y⁻ = 1/64 (∫ (3x^2 (3x^2 dx)))
y⁻ = 1/64 (∫ (9x^4 dx)
y⁻ = 1/64 (9x^5 / 5) from 0 to 4
y⁻ = 1/64 (9216/5) = 144/5
The centroid of the curve is found at (3, 144/5).