Mathematics, 24.06.2019 21:00, toricepeda82
Angles α and β are the two acute angles in a right triangle. use the relationship between sine and cosine to find the value of β if β < α. sin( x 2 + 2x) = cos(2x + 3x 2 ) a) 15° b) 37.5° c) 52.5° d) 75°
Answers: 1
Mathematics, 21.06.2019 20:20, Tnaaasty5901
Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.
Answers: 1
Mathematics, 21.06.2019 21:40, oprajapati
The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 2
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