Employees at Counting Sheep Mattress Company earn 40% commissions on each mattress they sell. Jason sold a mattress for $1,149.
2 answers:
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Answer:
$431
Step-by-step explanation:
Given parameters:
Principal = $200
Time given for the amount to double = 13yrs
Unknown:
Amount in the account after 15yrs = ?
Solution:
To solve this problem, we need to find the interest rate on this investment.
I =
I = interest
P = principal
R = Rate
T = time
Now,
if the amount should double,
Interest earned = $200
So;
200 =
200 = 26 x R
R = 7.7%
Now, in 15yrs, this amount will be;
let us find the interest;
I =
I = $231
The amount in the account will be:
Amount = Principal + Interest
Amount = $200 + $231 = $431
It is found that water is being pumped at a rate of 838095.24 cm³/min using implicit differentiation.
A conical tank's volume (V) is calculated as follows:
where the height is h and the radius is r.
When we use implicit differentiation, we get the following:
We have that:
Height of 600 cm, thus h = 600 cm
Diameter of 400 cm, thus r = = 200 cm
Water level rising at a rate of 20 cm/min, thus
Since the radius is constant,
Pumping water into the tank happens at a rate of
Therefore, the rate of water pumping into the tank is 838095.24 cm³/min.
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