Mathematics, 29.11.2020 04:20 Marcus2935

Why is the product of negative reciprocals always -1?

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Mathematics, 21.06.2019 19:20, girlydiy17

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

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Mathematics, 21.06.2019 21:00, deondra0803

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.

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Mathematics, 21.06.2019 22:30, magics

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75