Mathematics, 05.07.2019 16:50 naomicervero
Let a be a rational number and b be an irrational number. which of the following are true statements? a. the sum of a and b is never rational b. the product of a and b is rational c. b^2 is sometimes rational d. a^2 is always rational e. √a is never rational f. √b is never rational
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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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Let a be a rational number and b be an irrational number. which of the following are true statements...
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