Mathematics, 02.09.2019 21:10 bree1926
In exercises 23–36, solve the system using either gaussian elimina- tion with back-substitution or gauss-jordan elimination. 23. x + 2y = 7 2x + y = 8 25. - x + 2y = 1.5 2x – 4y = 3
Answers: 2
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
Mathematics, 21.06.2019 17:30, Vampfox
Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
Answers: 1
Mathematics, 22.06.2019 01:30, bethanybowers4986
Jahdzia wears her winter coat when the temperature is colder than -4 degrees celsius. write an inequality that is true only for temperatures (t) at which jahdzia wears her winter coat.
Answers: 3
In exercises 23–36, solve the system using either gaussian elimina- tion with back-substitution or g...
Mathematics, 11.03.2020 05:38
Mathematics, 11.03.2020 05:38
Mathematics, 11.03.2020 05:38