Mathematics, 02.12.2019 19:10

# Ahighway engineer wants to estimate the maximum number of cars that can safely travel on a particular road at a given speed. she assumes that each car is 14 feet long, travels at speed s, and follows the car in front of it at a safe distance for that speed. she finds that the number n of cars that can pass a given spot per minute is modeled by the function n(s)=86s14+14(s17)2 at what speed can the greatest number of cars travel safely on that road?

Answers: 2

Mathematics, 03.02.2019 04:39

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Answers: 1

Mathematics, 03.02.2019 03:39

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

Answers: 3

Mathematics, 02.02.2019 23:41

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

Answers: 1

Mathematics, 02.02.2019 21:20

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle

Answers: 1

Ahighway engineer wants to estimate the maximum number of cars that can safely travel on a particula...

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