Mathematics, 30.03.2021 21:50 adot1
On a quiz are four multiple choice questions worth 3 points each and two true/false questions worth 1 point each. Each multiple-choice question has five possible choices. If a student randomly guesses on each question what is the expected value of the student's score?
Answers: 2
Mathematics, 21.06.2019 14:50
Write the linear inequality shown in the graph. the gray area represents the shaded region. y> -3y+5 y> 3x-5 y< -3x+5 y< 3x-5
Answers: 1
Mathematics, 21.06.2019 18:20
The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?
Answers: 1
Mathematics, 21.06.2019 18:40
Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.
Answers: 3
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