Nicky156
27.11.2020 •
Mathematics
Using a Proportion based on similarity,find the length of DE. PLEASE HELP OMG
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Ответ:
DE is 15
Step-by-step explanation:
22.5 divided by 13.5 = 1.66666 repeating
9 times 1.6666 repeating is 15
Ответ:
B - Choose a random sample of people. Randomly select half of them and have them watch one hour of video just before going to bed, and then monitor their sleep. Have the other half not watch any video and monitor their sleep.
Step-by-step explanation:
From the above question, to choose a random sample of people from the population, then randomly select half of the selected sample and have them watch one hour of video just before going to bed and then monitor their sleep. Also the other half who did not watch any video before going to bed to be monitored during their sleep.
This will help make a good research with verifiable out comes.