icalibear
What conjecture can you make about the sum of 10 positive even numbers?



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klimenkov
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This sum is even.

icalibear
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2 = 2 = 1(3)
2 + 4 = 6 = 2(3)
2 + 4 + 6 =12 = 3(4)
2 + 4 + 6 + 8 = 20 = 4(5)
2 + 4 + 6 + 8 + 10 = 30 = 5(6)

icalibear
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(a) The sum is 9(10)
(b) The sum is 10(10)
(c) The sum is 11(12)
(d) The sum is 10(11)

klimenkov
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What will the tenth term in this sequence be?

klimenkov
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The tenth addend.

icalibear
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10(11)?

klimenkov
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10*10

klimenkov
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OOPS.

klimenkov
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10*11

icalibear
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lol ok. thnks