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Can anyone give me the step by step solution for this question?

Can anyone give me the step by step solution for this question?-example-1
User Rianoc
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2 Answers

4 votes
The answer would be a as it would have to be the two wave heights added together which equals 15
User Nathan Lafferty
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6 votes

Answer:

ans a

Step-by-step explanation:

User Leo Lerdorf
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