Mathematics, 27.06.2020 05:01 lizdeleon248
A solar heating system costs $25,000 to install with a yearly operating cost of $300. An electric heating system costs $6,500 to install but incurs a yearly operating cost of $4,000. How many years will pass before the total cost of the solar heating system is less than the total cost of the electric heating system? Round your answer to the nearest year, if needed. Type in your numerical answer only; do not type any words or letters with your answer.
Answers: 1
Mathematics, 21.06.2019 22:00
Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point
Answers: 1
Mathematics, 22.06.2019 00:10
If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s? a. 56.3 b. 33.7 c. 41.8 d. 48.2
Answers: 3
A solar heating system costs $25,000 to install with a yearly operating cost of $300. An electric he...
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