They get 2/3 because 2 divided by 3=2/3.
Answer:
ΔV = 0.36π in³
Step-by-step explanation:
Given that:
The radius of a sphere = 3.0
If the measurement is correct within 0.01 inches
i.e the change in the radius Δr = 0.01
The objective is to use differentials to estimate the error in the volume of sphere.
We all know that the volume of a sphere

The differential of V with respect to r is:

dV = 4 πr² dr
which can be re-written as:
ΔV = 4 πr² Δr
ΔV = 4 × π × (3)² × 0.01
ΔV = 0.36π in³
Answer:
f(x)=8x-25
Step-by-step explanation:
Answer: Divide 2 by 6- 0.3 with a bar over the 3, Step-by-step explanation: 0.3 with a bar over the 3 is the decimal form of 2/6
Answer:
Expected number of books = 1.0
Step-by-step explanation:
Expected number of books, E(x) = ∑xp(x)
∑ = Summation
x = books
p(x) = probability of purchasing a book
E(x) = (0*0.4) + (1*0.2) + (2*0.4)
E(x) = 0 + 0.2 + 0.8 = 1.0