What is a monthly finance charge if the average daily balance is $30, the daily periodic rate is 0.07% and the number of days in
2 answers:
Answer:
The finance charge is:
Option: B
B. 63 cents.
Step-by-step explanation:
We are given:
Average daily balance = $30
The daily periodic rate = 0.07%
and Number of days in a cycle is 30.
We know that the formula for the finance charge is given as:
As we are given daily periodic rate this means that:
Hence, putting the value in the formula we have:
finance charge=$ 0.63
As we know that:
1 dollar=100 cents.
Hence, 0.63 dollars=63 cents
Hence, the finance charge is:
63 cents
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Answer:
1) Volume occupied by the spheres are equal therefore the three tanks contains the same volume of water
2)
Step-by-step explanation:
1) Here we have;
First tank A
Volume of tank = x³
The volume of the sphere =
However, the diameter of the sphere = x therefore;
r = x/2 and the volume of the sphere is thus;
volume of the sphere = =
For tank B
Volume of tank = x³
The volume of the spheres =
However, the diameter of the spheres 2·D = x therefore;
r = x/4 and the volume of the sphere is thus;
volume of the spheres =
For tank C
Volume of tank = x³
The volume of the spheres =
However, the diameter of the spheres 4·D = x therefore;
r = x/8 and the volume of the sphere is thus;
volume of the spheres =
Volume occupied by the spheres are equal therefore the three tanks contains the same volume of water
2) For the 4th tank, we have;
number of spheres on side of the tank, n is given thus;
n³ = 512
∴ n = ∛512 = 8
Hence we have;
Volume of tank = x³
The volume of the spheres =
However, the diameter of the spheres 8·D = x therefore;
r = x/16 and the volume of the sphere is thus;
volume of the spheres =
Amount of water remaining in the tank is given by the following expression;
Amount of water remaining in the tank = Volume of tank - volume of spheres
Amount of water remaining in the tank =
.