X2 + 2x - 3= 5
(x - 1)(x + 3) = 5
x-1= 5 or x + 3 = 5
x= 6 or x = 2
Describe the...
Mathematics, 08.04.2021 16:40, masad
X2 + 2x - 3= 5
(x - 1)(x + 3) = 5
x-1= 5 or x + 3 = 5
x= 6 or x = 2
Describe the error
Answers: 3
Mathematics, 21.06.2019 18:00, bravomichelle75
Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?
Answers: 2
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Write the equation in logarithmic form e^x=403.429
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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