Answer: The surface area is 65 cm.
Answer:
.
Step-by-step explanation:
Let C represent total daily charges in dollars and t represent time in hours.
We have been given that a plumber charges $50 for a service call plus $80 per hour.
The amount charged for t hours would be
.
The total amount charged for t hours would be
.
We are also told that plumber spends no longer than 8 hours a day at any one site, this means that time t have a restriction as:

Therefore, our required cost function would be
.
Answer:
5x^4−160x^2+4/2x^2
Step-by-step explanation:
5x/2 x−16+2/x^2−64
5/2x^4−80x^2+2/x^2
5x^4−160x^2+4/2xx
5x^4−160x^2+4/2x^2
Answer:
x = 8
Step-by-step explanation:
13 - 5 = 8
x = 8
hope this helps...
Answer: goodluck i just needed points sorry :(
Step-by-step explanation:
idk sorry