dcox5057
05.05.2021 •
Mathematics
The manufacturer states that running your refrigerator while it is nearly empty causes a 20% increase in the total energy usage. If this happens, the estimated yearly operating cost increases by 17%. After how many years would the total cost of a conventional refrigerator exceed the total cost of the Energy Star-rated version? Explain your answer
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Ответ:
Step-by-step explanation:
(-7-41)(8-6)
-48*2
-96
This is what I got. I don't see anything in the equation that has "i" in it.
If it is supposed to be (-7-4i)(8-6) foil the problem.
-56+42-32i+24i combine like terms
the answer is -14-8i