Please help me with this please
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Answers: 3
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?
Answers: 3
Mathematics, 22.06.2019 00:00, meaganblatcher
Mila's dog weighs 4 pounds more than 8 times the weight of keiko's dog. which expression could be used to fine te weight of mila's dog?
Answers: 2
Mathematics, 22.06.2019 04:30, winterblanco
Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0). what are the directrices?
Answers: 3
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