Mathematics, 05.11.2020 18:10, emilyproce
A homeowner's electric bill for the month was $155.80 for 1,900 kilowatt-hours of
energy used. If no electricity is used there is no charge for service. Which
equation represents the cost in dollars of the electricity, y, and the number of
kilowatt-hours of energy used, x?
A. y = 12.2x
B. y = 0.082x
C. y = 0.12%
D. y = 8.2x
Answers: 1
Mathematics, 21.06.2019 14:10, hockejoh000
You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.
Answers: 3
Mathematics, 21.06.2019 17:20, tfyfejeje1739
The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6
Answers: 3
A homeowner's electric bill for the month was $155.80 for 1,900 kilowatt-hours of
energy used. If n...
Mathematics, 14.08.2020 01:01