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S, sample space :
all the possible outcomes of an experiment
number × sampel space = 8
Answer :
D. HHH, HHT, HTH, HTT, THH, THT, TTH, TTT
*answer can get from the list of sample space (in pic)
Answer :
A.
* answer can get from the final of tree diagram (in pic)
Answer:
14
Step-by-step explanation:
The n th term of an arithmetic sequence is
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Here a₁ = 2 , d = - 9 - 2 = - 11 and = - 141, thus
2 - 11(n - 1) = - 141 ← distribute and simplify left side
2 - 11n + 11 = - 141
13 - 11n = - 141 ( subtract 13 from both sides )
- 11n = - 154 ( divide both sides by - 11 )
n = 14
That is the progression has 14 terms