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Note: Conversion is based on the latest values and formulas.
SOLUTION: the numerator of a rational number is less than its ... Question 644206: the numerator of a rational number is less than its denominator by 3.if the numerator became 3 times and the denominator is increased by 20,the faction became 1\8,find …
SOLUTION: Use the power-reducing formulas as many times as … Question 1038719: Use the power-reducing formulas as many times as possible to rewrite the expression in terms of the first power of the cosine. 2 sin4 2x Answer by Boreal (15235) (Show …
SOLUTION: Suppose a fair coin is tossed three times. Let X be … Question 1193590: Suppose a fair coin is tossed three times. Let X be the random variable that represents the number of heads obtained. Find the cumulative distribution function of X. Found …
SOLUTION: A fair coin is tossed three times, and a player wins … Question 844759: A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected …
SOLUTION: You roll a fair die three times. What is the probability … Question 927362: You roll a fair die three times. What is the probability that a) you roll all 6's? b)you roll all odd numbers? c) none of your rolls gets a number divisible by 3? d) you roll at …
SOLUTION: Jonathan has 1 3/4 hours to practice guitar. If he … Question 993249: Jonathan has 1 3/4 hours to practice guitar. If he spends 1/8 hour on each song, how many songs can Jonathan practice? For how many minutes does he practice each …
SOLUTION: In a class of 100, 1/8 of the boys and 1/4 of the girls … Question 981639: In a class of 100, 1/8 of the boys and 1/4 of the girls play piano, and 3 times as many girls as boys play piano. How many boys play piano? Answer by josmiceli (19441) …
SOLUTION: Let random variable x represent the number of … Question 1132181: Let random variable x represent the number of heads when a fair coin is tossed three times. (a) Construct a table describing the probability distribution. (b) Determine …
SOLUTION: In a class, 1/8 of the boys and 1/4 of the girls play the ... Question 387458: In a class, 1/8 of the boys and 1/4 of the girls play the piano, and 3 times as many girls as boys play the piano. If there are 100 boys and girls in the class, how many boys …
SOLUTION: For a certain bathtub, the cold water faucet can fill … The cold water faucet in 24 minutes could fill the tub 24/8 = 3 times; the hot water faucet in 24 minutes could fill the tub 24/12 =2 times. So in 24 minutes the two faucets together could fill …