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Mathematics, 21.06.2019 16:00, ashl3yisbored
Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e. g. 98.765).
Answers: 3
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30, iloading5117
Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:30, vladisking888
How can you find the magnitude of a vector, v = < x, y > , where the horizontal change is x and the vertical change is y?
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:20, corbeansbrain
Can you me with this question? i'll reward *30 points i just need with this one question so that i could solve the others. * edit: i originally set up the question to reward 30 points, but for some reason i can only reward 15. if you don't get 30, then i'm sorry. i'm still kind of new to this site
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