Mathematics, 07.01.2021 02:00 RafMad5018
Two prime numbers x and y have the sum of 31. which of the following MUST be one of the prime numbers?
A: 2
B: 7
C: 11
D: 17
E:23
Answers: 1
Mathematics, 21.06.2019 21:30
Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?
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Kelli swam upstream for some distance in a hour.she then swam downstream the same river for the same distance in only 6 minutes.if the river flows at 5km/hr, how fast can kelli swim in still water?
Answers: 3
Mathematics, 22.06.2019 03:00
In a class of 77, there are 44 students who play soccer. if the teacher chooses 33 students, what is the probability that none of the three of them play soccer?
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Two prime numbers x and y have the sum of 31. which of the following MUST be one of the prime number...
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