Answer:
x≥4 Brainiest please
Step-by-step explanation:
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:
We have [ ( x + 7.4 ) ÷ 18 ] x 6 = 6;
Then, ( x + 7.4 ) ÷ 18 = 1;
x + 7.4 = 18;
x = 10.6;
Step-by-step explanation:
The correct answer choice is B
Answer:
The answer is -0.5
Step-by-step explanation:
Divide both side by the numeric factor on the left side then solve