Mathematics, 24.12.2019 15:31 autumn8668
What is the approximate circumference of a circle with a diameter of 500 kilometers? use π ≈ 3.14.
a.
3140 kilometers
b.
785 kilometers
c.
3725 kilometers
d.
1570 kilometers
Answers: 2
Mathematics, 20.06.2019 18:02, LayLay9289
This doesn’t make sense to me it’s supposed to be lcm ( least common multiple )
Answers: 2
Mathematics, 21.06.2019 17:30, hailscooper7363
Simplify this expression.2(10) + 2(x – 4) a. 2x + 16 b. x + 12 c. 2x + 12 d. x + 16
Answers: 2
Mathematics, 21.06.2019 21:30, amesha62
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
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