A 100-gallon barrel, initially half-full of oil, develops a leak at the bottom. Let A(t) be the amount of oil in the barrel at time t. Suppose that the amount of oil is decreasing at a rate proportional to the product of the time elapsed and the amount of oil present in the barrel. The mathematical model is:. (a) =kA, A(0) = 0
(b) A = ktA, A(O) = 50
(c) A tA, A(0) = 100
(d) A = két +A), A
(e) = 50 None of the above.

the mathematical model is :

Step-by-step explanation:

Given that:

Let A(t) to be the amount of oil in the barrel at time t.

However; Suppose that the amount of oil is decreasing at a rate proportional to the product of the time elapsed and the amount of oil present in the barrel.

Then,

Initially the 100 -gallon barrel is half-full of oil

So, A(0) = 100/2 = 50

The variable is now being separated as:

Taking integral of both sides; we have:

However; since A(0) = 50; Then

t = 0  ; A =50 in the above equation

Thus; the mathematical model is :

1/5x+9 2/5y+7

step-by-step explanation:

3030 ur welcome

step-by-step explanation: