Mathematics, 25.11.2020 19:40 DestroYa121
A freight train traveling along a certain route uses 12 units of fuel per mile plus an additional 2.2 units of fuel per mile for each railcar on the train. Let N represent the number of railcars on the train. What is an expression for f(N), the total number of units of fuel used per mile? find f(12). How many railcars does the train have if f(N)=34?
Answers: 3
Mathematics, 22.06.2019 01:30, zairaefh6496
Kelli swam upstream for some distance in a hour. she then swam downstream the same river for the same distance in only 6 minutes. if the river flows at 5km/hr, how fast can kelli swim in still water?
Answers: 3
Mathematics, 22.06.2019 01:50, coolquezzie
The area of each triangle is 7 square units. the surface area of the triangular prism is
Answers: 1
A freight train traveling along a certain route uses 12 units of fuel per mile plus an additional 2....
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