Answer:
20
3
4
5
6
6
Step-by-step explanation:
Newton's Law of cooling is

where
T(t) = temperature of the body after t hours, 80 °F

= ambient temperature, 65 °F

= normal body temperature, assumed to be 98.6 °F
The elapsed time since death is obtained from




4.142 hours before 2 am is 9:52 pm (the previous day) approximately.
Answer: 9:52 pm the previous day.
672 hope that help we learned that this year
<span>A) x - y = 11
B) 2x +y =19
Multiplying equation A) by -2
A) -2x + 2y = -22 then we add it to B)
B) 2x + y = 19
3y = -3
y = -1
x = 10
</span>