Pam solved a quadratic equation. Her work is shown below.
In which step did Pam make an error?...
Mathematics, 23.04.2020 17:40 lacourboud20005
Pam solved a quadratic equation. Her work is shown below.
In which step did Pam make an error?
(x+2) ^2=16
x+2=4 Step 1
x=2 Step 2
I give brainliests
Answers: 2
Mathematics, 21.06.2019 15:20
In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1
Answers: 1
Mathematics, 21.06.2019 20:40
What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice
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
Mathematics, 21.06.2019 21:30
Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x
Answers: 1
Mathematics, 31.01.2020 10:56
Mathematics, 31.01.2020 10:56
Mathematics, 31.01.2020 10:56
Biology, 31.01.2020 10:56
Chemistry, 31.01.2020 10:56
Arts, 31.01.2020 10:56
Mathematics, 31.01.2020 10:56
English, 31.01.2020 10:56
Social Studies, 31.01.2020 10:56
Mathematics, 31.01.2020 10:56
Mathematics, 31.01.2020 10:56