Answer:
a. 
b. 
c. 
d.
minutos
Step-by-step explanation:
a. Newton's law of cooling states that the speed with which a body is cooled is proportional to the difference between its temperature and that of the medium in which it is found. Then, the initial value problem is given by:


b. The differential equation obtained is a differential equation of separable variables:

c. After 33 minutes of serving the coffee has cooled to 180°:

d.

Answer:

Step-by-step explanation:
for this case we have the following model for the cost of the car:

Where
is the initial amount on this case 17000, t the amount of years after the initial year and r the depreciation rate on this case:

And for t =14 we can replace into the equation and we got:

Answer:
4.5045045 x 10^44
Step-by-step explanation:
I just put it into a calculator idk if its even right
Answer:
A) 45°
Step-by-step explanation:
A) 45°