Mathematics, 29.09.2020 14:01 mariaf0203
Zachary is 1 year older than his sister, Nicole. Jaycob is
three times as old as Zachary. The sum of their ages is
44. How old are each of the siblings?
a) Define a variable:
b) Write an equation
c) Solve the equation.
d) Answer what is being asked in a complete sentence.
Answers: 2
Mathematics, 21.06.2019 17:00
Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.
Answers: 3
Mathematics, 21.06.2019 19:30
Combine the information in the problem and the chart using the average balance method to solve the problem.
Answers: 2
Mathematics, 21.06.2019 19:40
Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297
Answers: 1
Zachary is 1 year older than his sister, Nicole. Jaycob is
three times as old as Zachary. The sum o...
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