PLEASE HELP THIS IS TIMED
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Mathematics, 21.06.2019 14:30
Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?
Answers: 1
Mathematics, 21.06.2019 17:40
The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?
Answers: 2
Mathematics, 22.06.2019 00:30
Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)
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Mathematics, 22.06.2019 01:00
Given the net of the rectangular prism, what is its surface area?
Answers: 1
Health, 19.07.2019 20:30
Geography, 19.07.2019 20:30
History, 19.07.2019 20:30
History, 19.07.2019 20:30
Social Studies, 19.07.2019 20:30