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Mathematics, 21.06.2019 18:30
This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤
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Mathematics, 21.06.2019 19:50
If the scale factor between two circles is 2x/5y what is the ratio of their areas?
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Mathematics, 21.06.2019 21:30
Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?
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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)
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All right triangles are isoceles. True or false?...
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