Mathematics, 30.09.2019 10:50 precioushayhay
Betty and andrea have been solving systems of equations with one polynomial function of degree two and one linear function. betty says there must always be two solutions, and andrea says there will be no solution. using complete sentences, explain how betty can be correct, how andrea can be correct, and how they both can be wrong.
Answers: 1
Mathematics, 21.06.2019 20:30
Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?
Answers: 1
Mathematics, 21.06.2019 20:30
What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?
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Mathematics, 21.06.2019 23:50
The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.
Answers: 3
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
Betty and andrea have been solving systems of equations with one polynomial function of degree two a...
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