Mathematics, 26.09.2019 19:30 amandaclark255
Patients who are addicted to cocaine are sometimes using the drug to combat depression. as such, sometimes addicts are given antidepressant medications to prevent relapse. a three-year study compared the effects of two such medication, lithium, and desipramine, along with a placebo for 72 cocaine users wishing to break the habit. the patients were put into 3 groups of 24, and given 1 of the 3 treatments at random. this two-way table illustrates the results. (picture shown)
among patients who did not relapse, which treatment was most effective, and what’s its conditional relative frequency?
a. lithium, at 6/24 = 25%
b. despiramine, at 14/72 = 19.44%
c. lithium, at 6/72 = 8.33%
d. desipramine, at 14/24 = 58.33%
Answers: 1
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Given: ae ≅ ce ; de ≅ be prove: abcd is a parallelogram. we have that ab || dc. by a similar argument used to prove that △aeb ≅ △ced, we can show that △ ≅ △ceb by. so, ∠cad ≅ ∠by cpctc. therefore, ad || bc by the converse of the theorem. since both pair of opposite sides are parallel, quadrilateral abcd is a parallelogram.
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