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Mathematics, 21.06.2019 18:00
Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.
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Mathematics, 22.06.2019 00:00
240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities
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Mathematics, 22.06.2019 00:20
Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.
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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)
Answers: 2
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