Help please
15 points
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Answers: 3
Mathematics, 21.06.2019 19:00
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 02:00
Prove the following(cot0+cosec0)[tex](cot0 + cosec0) { }^{2} = \frac{1 + cos0}{1 - cos0} [/tex]
Answers: 1
Mathematics, 22.06.2019 03:00
In a city, 6th and 7th avenues are parallel and the corner that the pizza palace is on is a 54° angle. what is the measure of the angle that is made with 7th ave and broadway on the corner of the shake hut?
Answers: 2
Mathematics, 12.08.2019 18:10
History, 12.08.2019 18:10
Mathematics, 12.08.2019 18:10
Mathematics, 12.08.2019 18:10
History, 12.08.2019 18:10
Mathematics, 12.08.2019 18:10
Chemistry, 12.08.2019 18:10