Mathematics, 14.10.2019 14:30, sadie271
Your company is building a new office space of 40,000 square feet. you are to decide if they should heat with electricity or natural gas. the hvac engineer estimates that it will require approximately 3,600,000,000 btu's to heat the building during the coldest month. electric hvac units will operate at 100% efficiency, that is 100% of the electricity will actually be converted to heat. new gas furnaces will operate at 95% efficiency, that is 95% of the gas will actually be converted to heat. the electric company charges $0.042 per kwh plus a 2% fuel recovery charge. the gas company charges $1.45 per therm plus a distribution charge of $3,000.
Answers: 3
Mathematics, 20.06.2019 18:04, queenjay34
An astronaut drops a rock into a crater on the moon. the distance, d(t), in meters, the rock travels after t seconds can be modeled by the function d(t)0.82. what is the average speed, in meters per second, of the rock between 5 and 10 seconds after it was dropped?
Answers: 1
Mathematics, 21.06.2019 17:30, rjsimpson73
Ined this is due tomorrow and i dont know the answer can you find all the exponents
Answers: 1
Mathematics, 21.06.2019 18:00, nanny2204p4ipj9
Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?
Answers: 1
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