Mathematics, 29.05.2020 11:59 lucky1silky
A bag contains 5 red marbles, 3 white marbles and 1 grey marble. You randomly pick out a marble, record its color and put it back in bag. You repeat this process 45 times. How many white marbles do you expect to get ?
Answers: 2
Mathematics, 21.06.2019 17:00
Which inequality comparing two of the expressions is true when 0.7 < x < 0.9
Answers: 1
Mathematics, 21.06.2019 18:20
What is the solution set of the quadratic inequality x^2-5< or equal to 0
Answers: 1
Mathematics, 21.06.2019 18:50
Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling
Answers: 1
A bag contains 5 red marbles, 3 white marbles and 1 grey marble. You randomly pick out a marble, rec...
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