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3 years ago

Pls help I have doubts

Mathematics

2 answers:

azamat3 years ago

6 0

Answer:

Step-by-step explanation:

See when you multiply 3 x 4 or 4 x 3 the answer is the same (is equivalent)

Similarly, -3 x 3 x -4/9 or 3 x -3 x 4/9 is equivalent

Therefore option(B)

Goryan [66]3 years ago

6 0

The answer would be B

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Answer:

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Answer: Option 'B' is correct.

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3 years ago

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Answer: 0.0668

Step-by-step explanation:

Given the following :

Mean (m) Cost = RS385

Standard deviation (s) = RS110

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Find the z - score

Z - score = (x - m) / s

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