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TEA [102]
2 years ago
7

Help me! i dont know this!

Mathematics
2 answers:
Serjik [45]2 years ago
7 0
Answer: 7

Step-by-step explanation:
C = 9
B = 6
Wherever you see a c, you put a 9. Wherever you see a b, you put a 6. If there is already a number in front of the B, multiply it by 6
MakcuM [25]2 years ago
7 0

Answer:

7

Step-by-step explanation:

(9*9)-3(6) divided by 9

81-18 divided by 9

63 divided by 9

which is 7

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Step-by-step explanation:

We know that the survey has 8 items, that means we can use the factorial number, because it's a simple permutation.

Using a factorial we have

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