A bag contains 8 red marbles, 4 purple marbles, 5 green marbles, 2 orange, and 1 blue marbles. One marble is selected and replaced. A second marble is selected. Find the probability of each compound event. Show work and simplify your solutions. A) Not selecting an orange marble and then a blue marble

B) Selecting a green or red marble and then a purple marble

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answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

given the equation is 8+9z=-6, the first step would be to subtract the 8 from both sides:

8+9z-8=-6-8

since 8 minus 8 = 0, this would cancel out the 8. and since -6 minus 8 equals -14, the equation would look like this

9z = -14