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: 8.94427
Step-by-step explanation: using the Pythagorean theorem which is A squared plus B squared equals C squared you can find this
Multiply .30 and 50 ... which is 15
Answer:
65 calories=15 minutes
Find how many minutes it will take Paul to born 1 calory. You divide 65 by 15
65÷15=4.333
Find how many calories lost in 1 hour= 60 minutes multiply by 4.3
60*4.333=260 calories
Therefore,
Paul burns 260 calories in 1 hour
Answer:
I believe that it is a irrational number.
Step-by-step explanation:
An irrational number is a number that cannot be written as a fraction with a num and denom that aren't equal to 0. These cannot be expressed as repeating decimals. -pi has all these traits, therefore it's irrational.