Mathematics, 26.02.2021 20:30 ctyrector
Using solar energy, the total cost to heat a house includes an installation fee of $7,000 with an average cost of $280 per year.
using conventional fuel, the total cost to heat the same house includes an installation fee of $4,000 and an average cost of $580 per year
How many years until the total costs are the same for each?
A. 6
B.9
C10
D. 11
Answers: 3
Mathematics, 21.06.2019 15:00
Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?
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Mathematics, 21.06.2019 18:30
Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.
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Mathematics, 21.06.2019 23:30
Which number is located at point a on the number line? a number line is shown from negative 10 to 10 with each interval mark on the number line representing one unit. point a is labeled one interval mark to the right of negative 5.
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Mathematics, 21.06.2019 23:40
Determine the standard form of the equation of the line that passes through (-2,0) and (8,-5)
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Using solar energy, the total cost to heat a house includes an installation fee of $7,000 with an av...
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