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Look at the table. Make a conjecture about the sum of the first 30 positive even numbers.
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Look at the table. Make a conjecture about the sum of the first 30 positive even numbers.

User Bill Kary
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1. The sum of the first 6 positive even numbers is 6x7
2. The sum of the first 30 positive even numbers is 30x31
3. The sum of the first 100 positive even numbers is 100x101
User Jayveesea
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