Mathematics, 04.08.2020 14:01 evanmc627
Select the correct text in the table. Use the fundamental theorem of algebra to determine whether each statement is sometimes true, always true, or never true.
1. A quadratic function has 2 distinct roots. always sometimes never
2. A cubic function has at least 1 real root. always sometimes never
3. A function with a degree of 5 has 5 roots. always sometimes never
4. A quadratic function can have only 1 complex solution. always sometimes never
Answers: 3
Mathematics, 21.06.2019 17:00
Which graph corresponds to the function f(x) = x2 + 4x โ 1?
Answers: 1
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, 21.06.2019 21:30
In a test for esp (extrasensory perception), a subject is told that cards only the experimenter can see contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is just guessing has probability 0.25 of guessing correctly on each card. a. the count of correct guesses in 20 cards has a binomial distribution. what are n and p? b. what is the mean number of correct guesses in 20 cards for subjects who are just guessing? c. what is the probability of exactly 5 correct guesses in 20 cards if a subject is just guessing?
Answers: 1
Select the correct text in the table. Use the fundamental theorem of algebra to determine whether ea...
History, 17.04.2020 01:50
Mathematics, 17.04.2020 01:50
Mathematics, 17.04.2020 01:50
Mathematics, 17.04.2020 01:50
Mathematics, 17.04.2020 01:50
History, 17.04.2020 01:50
Mathematics, 17.04.2020 01:51
Social Studies, 17.04.2020 01:51
History, 17.04.2020 01:51
History, 17.04.2020 01:51