Mathematics, 26.08.2019 20:00 stef65
You are given an urn with 100 balls (50 black and 50 white). you pick balls from urn one by one without replacements until all the balls are out. a black followed by a white or a white followed by a black is "a colour change". calculate the expected number of colour changes if the balls are being picked randomly from the urn.
Answers: 2
Mathematics, 21.06.2019 13:20
In the triangle abc< angle c is a right angle. find the value of the trig function indicated. find tan a if a =12, b=5 a. 13/12 b. 12/13 c. 5/12 d.12/5
Answers: 2
Mathematics, 21.06.2019 17:30
One positive number is 9 more than twice another. if their product is 95, find the numbers
Answers: 1
Mathematics, 21.06.2019 21:30
Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?
Answers: 1
Mathematics, 21.06.2019 21:30
Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.
Answers: 1
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