nathaliapachon7948
24.08.2019 •
Mathematics
An appliance company uses the function f
h. = 40h + 120 to calculate the total repair bill, f
h. , for h number of hours worked. find h if f
h. = $200.
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Ответ:
200 = 40h + 120
200 - 120 = 40h
80 = 40h
80/40 = h
2 = h
h = 2 hours.
Ответ:
8
Step-by-step explanation:
48-{(18+12)÷6}×2
=48-{30÷6}×2
=48-5×2
=48-10
=8 ans