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:
7.3625
Step-by-step explanation:
To convert a fraction to decimal, we divide the numerator by the denominator using long division and to convert a fraction.
hope i helped.
-lavira :)
Step-by-step explanation:
this picture will help
you
Rotatation could be done to left or right.
110 + 60 = 170 degrees => Rotation to the right side.
110 - 60 = 50 degrees= > Rotation to the left side.
We can see in the choices that 170 degrees is the right choice.
The answer is D.
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simplificado
de nada