Answer:
Step-by-step explanation:
Let
- x the amount of type A produced;
- y the amount of type B produced;
- z the amount of type C produced.
<u>Cleaning</u> requires 4 minutes for type A, 6 minutes for type B and 8 minutes for type C. In total, 3.5 hours, then
<u>Cutting</u> requires 2 minutes for type A, 4 minutes for type B and 2 minutes for type C. In total, 2.5 hours, then
<u>Packaging</u> requires 2 minutes for type A, 2 minutes for type B and 4 minutes for type C. In total, 1.5 hours, then
Note that
Hence, we have 6 inequalities:
Answer:
k = - 6.6667
Step-by-step explanation:
this is quite very simple to begin. I would encourage you take other practice questions similar to help with understanding it.
let us begin.
Given that ;
dT/dt = k ( Tm - T) where Tm is the temp of the medium
dT/dt = 5 degrees Celsius per minute when T = 70
so we have that, 5 = k ( 25 - 70)
remember to convert 5 degree celsius per minute to seconds
we have that;
5*60(sec) = k ( 25 - 70)
k = 5*60 / ( 25 - 70)
k = - 6.6667
note K is negative because we consider it for cooling process (temp decreasing).
cheers i hope this helps!!!
Step-by-step explanation:
5x - 2y = 10
-5x -5x
----------------------
-2y = 10 - 5x
/-2 /-2
--------------------
y = -5 + 2.5x
Take the cos-1 of both sides to get 3x=30 then divide by 3 to get ×=10
The answer is x = 3 because is we substitute 3 for x, we get 6 on both sides. 3(3) - 3 = 2(3) (=) 9 - 3 = 6 (=) 6 = 6.