Can someone answer these two algebra questions, !
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Mathematics, 21.06.2019 17:00
Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.
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Mathematics, 21.06.2019 19:30
Identify the number as a rational or irrational.explain. 127
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Mathematics, 21.06.2019 22:00
Which sum or difference identity would you use to verify that cos (180Β° - q) = -cos q? a.) sin (a -b) = sin a cos b β cos a sin b b.) cos (a -b) = cos a cos b β sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b
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