Mathematics, 13.10.2020 23:01, vanessa791
Hamish and Harry work as plumbers. Harry earns a dollar more than the amount Hamish earns per hour. The amount Harry earns per hour is less than the amount Hamish earns per hour. How much does each of them earn per hour? A. Hamish earns $18 per hour, and Harry earns $23 per hour. B. Hamish earns $19 per hour, and Harry earns $24 per hour. C. Hamish earns $21 per hour, and Harry earns $25 per hour. D. Hamish earns $20 per hour, and Harry earns $26 per hour.
Answers: 3
Mathematics, 21.06.2019 15:00, lm18618
Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.
Answers: 2
Mathematics, 21.06.2019 15:00, lexibyrd120
Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = β1 f(β1) is undefined. lim xββ1+ f(x) and lim xββ1β f(x) exist, but are not equal. lim xββ1 f(x) does not exist. f(β1) and lim xββ1 f(x) exist, but are not equal. none of the above
Answers: 3
Hamish and Harry work as plumbers. Harry earns a dollar more than the amount Hamish earns per hour....
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