Zena used a probability simulator to roll a 12-sided number cube 100 times. Her results are shown in the table below:
2 answers:
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Answer:
f =
Step-by-step explanation:
1. 4(4f - 9) = -(2-f) distribute the negative
2. 4(4f - 9) = -2 + f Distribute the 4
3. 16f - 9 = -2 + f Subtract f on both sides
4. 15f - 9 = -2 Add 9 on both sides
5. 15f = 7 Divide both equations by 15
6.
f =
the answer is 9.
ie.. the value of x =9
