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math
For n ≥ 3, the sequence of centred ngon numbers is found by starting with a central dot, then adding layers consisting of ngons of dots around this centre, where the number of dots on each side increases by 1 for each layer.
asked by Dabby on April 19, 2019 
Algebra
1. What are the next two terms of the following sequence? 1, 5, 9... A. 27, 211 B. 10,11 C.12,15 D.13,17 2. Which of the following are examples of arithmetic sequences? Choose all that apply. A. 2,2,6,10 B. 1,3,9,27 C. 5,10,20,40
asked by Danielle on November 19, 2015 
Math
1. In the 30 day month of April, for every three days it rained, there were two days it did not rain. The number of days in April on which it rained was how much greater than the number of days on which it did not rain? 2. Each
asked by Leslie on September 24, 2010 
math
the sequence 4;9;x;37;...is a quadratic sequence. a) calculate x. b) determine nth term of the sequence
asked by paseka on July 2, 2016 
Math
Alpha writes the infinite arithmetic sequence 10, 8, 6, 4, 2, 0... Beta writes the infinite geometric sequence 9, 6, 4, 8/3, 16/9,... Gamma makes a sequence whose n^th term is the product of the n^th term of Alpha's sequence and
asked by Speedo on September 15, 2013

Math
If I start with number 7 and count by 4s, the following sequence is obtained: 7, 11, 15, 19, 23, and so forth. A new sequence os formed when I start with a different number and count by a different number. Suppose the 2nd number
asked by Math Guy on December 7, 2019 
probability
You flip a fair coin (i.e., the probability of obtaining Heads is 1/2) three times. Assume that all sequences of coin flip results, of length 3, are equally likely. Determine the probability of each of the following events. {HHH}:
asked by JuanPro on February 7, 2014 
Math
Find the next three terms in the sequence 1. 30, 22, 14, 6... 3, 12, 21**** 1, 8, 15 1, 2, 3 2, 10, 18 4. Find the first four terms of the sequence represented by the expression. 4. 3n+5 5,8,11,14 8,11,14,17 3,6,9,12
asked by Aaliyah on March 9, 2016 
Maths
The Fibonacci sequence 1, 1, 2, 3, 5, 8, 13, 21, ... starts with two 1s, and each term afterwards is the sum of its two predecessors. Which one of the ten digits is the last to appear in the units position of a number in the
asked by AMT on November 18, 2016 
algebra
can you check my answers please? What are the first three terms of the sequence: a1 = 3 and an = 2(an1)2? 2, 8, 18 3, 18, 648 3, 32, 50 2, 6, 12, 24 What is the 14th term in the sequence: an = 4n + 13? 43 43 __> 69 69 What is
asked by Jennifer on March 22, 2012 
Tcp
Host A and B are communicating over a TCP connection, and Host B has already received from A all bytes up through byte 126. Suppose Host A then sends two segments to Host B backtoback. The first and second segments contain 70
asked by Anonymous on March 2, 2010
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