Mathematics, 20.07.2019 13:00, natalie2sheffield
Researchers randomly choose two groups from 15 volunteers. over a period of 9 weeks, one group watches television before going to sleep, and the other does not. volunteers wear monitoring devices while sleeping, and researchers record dream activity. which type of study method is described in each situation? a. not enough information given b. survey c. observational study d. controlled experiment
Answers: 1
Mathematics, 21.06.2019 19:10, alarconanais07
Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?
Answers: 3
Mathematics, 22.06.2019 00:00, keshjdjsjs
The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels
Answers: 1
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