Answer:
either 81 or 162
Step-by-step explanation:
I got 81 by 27×12
162=27×12×2
Answer:
When 324 belts have been produced, the average cost is changing at -28 dollars for each additional belt.
Step-by-step explanation:
The cost of producing x belts is given by:

Find the rate at which average cost is changing when 324 belts have been produced.
This is
. So



So the correct answer is:
When 324 belts have been produced, the average cost is changing at -28 dollars for each additional belt.
Answer:
0.755
Step-by-step explanation:
The mixed fraction just needs to simplified to a decimal number
like so:
0.755
200/151
151-140 = 11
11-10=1
1-1=0
Answer:

Step-by-step explanation:
There are 3 types of vacation and 3 lengths of time.
Only ski resorts have snow so the probibility of no snow is 
The probability of at least 6 days is
, multiply the two displayed numbers to get:

It is the first one I believe