Mathematics, 13.10.2020 20:01 ed100
the fixed cost of 20 units of electricity for a month is rs 80 and the variable cost for each extra unit of electricity is rs 6.40. find the total cost function of the expenditure for the consumption of the electricity in a month. also, obtain the total expenditure when 47 units of electricity be consumed in a month.
Answers: 3
Mathematics, 21.06.2019 22:00
Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2
Answers: 1
Mathematics, 22.06.2019 09:00
The row-echelon form of the augmented matrix of a system of equations is given. find the solution of the system.
Answers: 1
the fixed cost of 20 units of electricity for a month is rs 80 and the variable cost for each extra...
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