Mathematics, 30.11.2019 10:31 lilred58
Sara runs several times a week and always keeps track of how much time she runs each time she goes out. one day she forgets to take her stopwatch with her and wonders if she can still have some idea of her running time. as she passes a particular pond, she remembers that it is 5.6 km from her house. she knows from her previous training that she has a consistent pace of 3.4 m/s. how long has sara been running when she reaches the pond?
a) 16 minutes
b) 27.5 seconds
c) 27.5 minutes
d) 1 hour
Answers: 1
Mathematics, 21.06.2019 17:20
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 18:00
Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why
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Mathematics, 21.06.2019 18:00
The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.
Answers: 1
Sara runs several times a week and always keeps track of how much time she runs each time she goes o...
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