Simplified: -6m-6
Factored: 6(m+1)
Answer:
55/100
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Answer:
(a) $1.48
(b) $0.0051 . . . . slightly more than 1/2¢
Step-by-step explanation:
cost = (kW)(hours)(cost/kWh)
(a) cost = (0.040 kW)(24 h/da)(14 da/wk)($0.11/kWh) ≈ $1.478
The cost of leaving the porch light on is about $1.48.
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(b) cost = (0.925 kW)(3 min)/(60 min/h)($0.11/kWh) ≈ $0.00509
The cost of toasting bread is about 0.5 cents.
