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Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?
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Which term describes the point where the perpendicular bisectors of the three sides of a triangle intersect?
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Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect
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What is 10 1/2 as a improper fraction...
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