Answer:
Option A.
Step-by-step explanation:
The given word is "mathematician".
Here, total number of letter is 13 and
Number of distinct letters = 8
We need to select 2 distinct letters from word "mathematician".
It means we need to select 2 letters from 8 distinct letters.
Total ways
Therefore, the correct option is A.
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9
y=x
y=kx
substitute k for 0.75 and x for 12 in the above equation
y=0.75×12
y=9
7
y=5x−17