15 because 3/4 is equivalent to 75% and 75% of 20 is 15.
The function is:
B ( t ) = 4 * e^(0.8 t)
4 * e^(0.8 t) = 400
e^(0.8 t) = 400: 4
e^(0.8 t) = 100 / ln
ln e^(0.8 t) = ln 100 ( and since: ln e = 1 and ln e^x = x * ln e )
0.8 t = 4.6
t = 4.6 : 0.8 = 5.76 ≈ 6
Answer:
D ) 6 hours.
70% all you have to do is divide the 14 by 20
The answer to the question is d
Answer:
Step-by-step explanation:
l = 8.6 x + 3
b = 5.2
perimeter =