Mathematics, 24.01.2020 22:31 bombo99
600 units of electricity and 100 units of gas were used for a total cost of $388. next month, 400 units of electricity and 150 units of gas were used for a total cost of $277. find the cost per unit of gas.
Answers: 2
Mathematics, 21.06.2019 18:00
Solve this system of equations. 12x − 18y = 27 4x − 6y = 10
Answers: 1
Mathematics, 21.06.2019 21:00
Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.
Answers: 1
600 units of electricity and 100 units of gas were used for a total cost of $388. next month, 400 un...
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