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Lesson 2 Extra Practice
Theoretical and Experimental Probability
The table shows the results of a fair number cube rolled 40 times.
Number Frequency
15
1. Find the experimental probability of rolling a 4.
3
2
12
2. Find the theoretical probability of not rolling a 4.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

The square root of 9x plus 7 plus the square rot of 2x equall to 7

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap