WebSep 8, 2015 · Verbally describe this pattern . 1,3,6,10,15,21 asked by Anonymous. September 8, 2015. 2 answers. The nth term is the sum of the first n positive integers. ... WebSep 16, 2011 · What is the pattern rule for this pattern 1-3-2-6-5-15-14-42-41? Start at 1. Multiply by 3. Subtract 1. Multiply by 3.
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WebMar 6, 2010 · Expert Answer. 100% (1 rating) Transcribed image text: The ancient Greeks labeled certain numbers as triangular numbers. The numbers 1,3,6, 10, 15, 21, and so on are triangular numbers. Complete parts a) through c) below. 1 3 6 10 15 21 1,3,6,10,15 21.0.0 b) Describe a procedure to determine the next five triangular numbers without … smudge commercial furniture
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WebThere is a more specific property to the triangular numbers that aren't divisible by 3; that is, they either have a remainder 1 or 10 when divided by 27. Those that are equal to 10 mod 27 are also equal to 10 mod 81. The digital root pattern for triangular numbers, repeating every nine terms, as shown above, is "1, 3, 6, 1, 6, 3, 1, 9, 9". WebSolution. We begin by first looking at the first three entries from this pattern. You can see that there is a pattern here. The number 9 – 1 = 8, and the number 17 – 9 = 8, so these have a combination based on the value of 8. Moving forward the pattern changes, as 33 – 17 = 16 which is not equal to 8, but it keeps on for one more value as ... WebJul 18, 2010 · find the formula for 1,3,6,10,15,21,... Homework Equations n/a The Attempt at a Solution i only can find n>=3 Tn = 3 + i ; i=3 to n help T_T Answers and Replies Jul 18, 2010 #2 mg0stisha 225 0 For one thing, the numbers in the way you listed them are called a sequence. Do you see a pattern among those numbers? That may help you. rma arknights