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Mathematics, 21.06.2019 22:00
If tan2a=cot(a+60), find the value of a, where 2a is an acute angle
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Mathematics, 22.06.2019 00:50
Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours
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Mathematics, 22.06.2019 01:00
Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?
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Mathematics, 22.06.2019 02:00
Quadrilateral abcd is a parallelogram with diagonals that intersect at point e. which of the following statements is true?
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