Answer:
73
Step-by-step explanation:
x/5+7=16
times 5 both sides
x + 7 = 80
-7 -7
x=73
2x-4 because I got -4+2x and it’s the same thing
There is a mandatory fixed rate of $ 35 that Raphael will have to pay once the service call has been made. This fixed rate is the constant.
The per hour rate is $20. Suppose the machine took "x" hours to get fixed. Then the variable part of the repair cost will be
.
Thus, Repair Cost=Fixed Rate Cost+Variable Cost
Or,
where
is the total repair cost. Thus, if Raphael ‘s machine took 2 hour to fix, the repair cost is:
dollars.
Therefore, the last option is the correct option.
Answer:
6root2
Step-by-step explanation:
3-1,5-1. (2,4)
R=root(4+16). =6root 2