Mathematics, 05.05.2020 03:33 cycy24
The City of Chicago is deciding whether to install a stoplight or a stop sign at a very dangerous intersection. Every time a car goes through the intersection, it either is safe, gets in a minor accident, or gets in a major accident. The stoplight would often prevent crashes and make them less costly if they did occur. The City of Chicago performs 1000 10001000 simulations of a car going through the intersection with a stoplight and with a stop sign. Once they decide whether to install a stoplight or a stop sign, they expect 10 , 000 10,00010, comma, 000 cars to travel through the intersection in the next year. What is the expected damage at this intersection in the next year if the City of Chicago installs a stoplight? $ $dollar sign What is the expected damage at this intersection in the next year if the City of Chicago installs a stop sign?
Answers: 3
Mathematics, 21.06.2019 14:00
Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.
Answers: 1
Mathematics, 21.06.2019 15:00
Which represents the inverse of the function f(x) = 4x? h(x) = x + 4 h(x) = x β 4 h(x) = x h(x) = x
Answers: 1
Mathematics, 21.06.2019 19:00
Write a function for a rotation 90 degrees counter clockwise about the origin, point 0
Answers: 1
Mathematics, 21.06.2019 19:50
Prove (a) cosh2(x) β sinh2(x) = 1 and (b) 1 β tanh 2(x) = sech 2(x). solution (a) cosh2(x) β sinh2(x) = ex + eβx 2 2 β 2 = e2x + 2 + eβ2x 4 β = 4 = . (b) we start with the identity proved in part (a): cosh2(x) β sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 β sinh2(x) cosh2(x) = 1 or 1 β tanh 2(x) = .
Answers: 3
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