Ana olhou para o relógio e viu que estava marcando 2 horas e depois de algum tempo ela olhou novamente percebeu que um ponteiro que marca as horas tinha se deslocado a 60 graus Qual é a hora que o relógio estava marcando após esse deslocamento a duas horas B 3 horas horas C 4 horas horas D 6 horas

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?

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x