Mathematics, 05.07.2019 02:30, 05leslun42715

Frank bought 70 cds at $16 each. how much did he pay in total?

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Mathematics, 21.06.2019 18:00, milagrosee12

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

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Mathematics, 21.06.2019 20:00, xxaurorabluexx

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

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Mathematics, 21.06.2019 21:30, mandyangle01

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?

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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?