Answer:
Step-by-step explanation:
14 = 1000 
.014 = 
ln(.014) = k ln(e)
k = -4.268
~~~~~~~~~~~~~~~~~~
after 3 hrs
1000 
0.00274
~~~~~~~~~~~~~~~
4 = 1000 
.004 = 
ln(.004)/-4.268 = t
t = 1.29368 hrs
Answer:

Step-by-step explanation:


Z= 106 —> Opposite angles
I hope I helped you^_^
Answer:
-1
Step-by-step explanation:
10/2=5+ -3*2=-1
6/8a+4,6-2/4a. I think that this is the answer.
Answer:
The diameter of the circle = 10 cm
The radius of the circle= 10/2= 5 cm
Step-by-step explanation:
Area of the circle = pi r^2
= pi 5^2
=3.14 *25
= 78.5 cm ^2