T = 12 min, T o = 80° C, T s = 50 °C, T ( 12 ) = 60° C
60 = 50 + ( 80 - 50 ) · e^(-12k)
10 = 30 · e^(-12k)
e^(-12k) = 0.3333...
ln ( 0.333.. ) = - 12 k
- 12 k = - 1.1
k = ( - 1.1 ) : ( - 12 ) = 0.0916
Answer: D ) 0.0916
Answer:
14.1% to 1 decimal place.
Step-by-step explanation:
The amount left over = 320 - 275 = 45.
As a percentage of the original 320 this is 45 * 100 / 320
= 14.0625 %.
Answer:
-9i
Step-by-step explanation:
the complex conjugate of a+bi is a-bi
0+9i is 0-9i
Answer:
The answer is > because 9.63 is greater than 1.82
Step-by-step explanation:
9.63 is a larger number than 1.82
