It's A. All you have to remember here are your rules of translations. If there is side to side movement within a parabola it will be indicated within a set of parenthesis with the x coordinate. If there is no set of parenthesis with the x there is no side to side movement. The quantity 
tells us that the vertex has moved left 3 units.
Plss help me!!!!!!!!!!
1 answer:
Answer: 12 outcomes total
Check out the diagram below
Edit: I added the tree diagram as well
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Explanation:
I prefer to make a two way table for problems like this. Such diagrams make it fairly clear why multiplication is used when it comes to probability and counting problems.
Check out the diagram below.
The table has 6 rows and 2 columns.
The 6 rows represents the outcomes 1 through 6 on the number cube.
The 2 columns represent the outcome of heads (H) vs tails (T)
Inside the 6*2 = 12 inner cells, we'll have each outcome.
For example, the upper left corner has H1 to mean "flipped heads and got a 1 on the number cube". The next cell over is T1 to mean "tails on the coin, 1 on the number cube". The rest of the table is filled out in this manner.
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The sum will be:
sigma(i = 1 to infinity, 30*(2/5)^i)
->
Which is equal to 30/(3/5) = 50
sigma(i = 1 to infinity, 30*(2/5)^i)
->
Which is equal to 30/(3/5) = 50