3 years ago

Which option is an example of an experiment?

1 answer:

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option D recording the reaction time of participants in a study who were asked to press a button age as soon as they see a certain picture on a screen ASAP please

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Answer:

Hello! answer: 40

Step-by-step explanation:

This is a supplementary angle meaning it will have a total of 180 degrees 4 × 40 = 160 and when you add that with the other angle 20 you get 160 + 20 = 180 therefore x must by 40 HOPE THAT HELPS!

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3 years ago

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nexus9112 [7]

Answer:

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Step-by-step explanation:

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