Mathematics, 22.05.2020 23:05, whatnowb

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Mathematics, 21.06.2019 14:10, hardwick744

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

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Mathematics, 21.06.2019 19:00, ale1910

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

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Mathematics, 21.06.2019 23:20, galaxyomg661p0edpt

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

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Mathematics, 22.06.2019 02:00, embersongracie

Asix-sided die of unknown bias is rolled 20 times, and the number 3 comes up 6 times. in the next three rounds (the die is rolled 20 times in each round), the number 3 comes up 6 times, 5 times, and 7 times. the experimental probability of rolling a 3 is 10 %, which is approximately % more than its theoretical probability. (round off your answers to the nearest integer.)

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