Mathematics, 10.03.2020 09:04 samiam61
It takes a smaller hose 3 times as long to fill a small swimming pool as it does a larger hose. It takes both hoses working together 15 minutes to fill the swimming pool. How long will it take the smaller hose to fill the pool by itself?
Answers: 1
Mathematics, 21.06.2019 17:30
If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?
Answers: 2
Mathematics, 21.06.2019 19:10
Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?
Answers: 1
Mathematics, 21.06.2019 20:00
Which of the following is the inverse of y = 3∧x y = 1/3∧x y = ㏒3x y = (1/3) ∧x y = ㏒ 1/3∧x
Answers: 1
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
It takes a smaller hose 3 times as long to fill a small swimming pool as it does a larger hose. It t...
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