Well, isn't that a happy little question! To find the sum of the first 6 multiples of 9, you simply add them all together. So, 9 + 18 + 27 + 36 + 45 + 54 equals 189. Just like painting a beautiful landscape, math can be a peaceful and rewarding experience.
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Alright, darling, buckle up. The first 6 multiples of 9 are 9, 18, 27, 36, 45, and 54. Add them up and you get a grand total of 189. So, there you have it, the sum of the first 6 multiples of 9 is 189.
The first 6 multiples of 9 are 9, 18, 27, 36, 45 and 54.
Their sum (total) is 189.
In other words, 1x9 + 2x9 + 3x9 + 4x9 + 5x9 + 6x9 = 21x9 = 189.
3+6+9...+45taking 3 common3(1+2+...+15) = 360
The first three multiples of 3 are 3, 6, 9 The first three multiples of 9 are 9, 18, 27 As the lowest common multiples of 3 and 9 is 9, the common multiples of 3 and 9 are the multiples of 9, thus: The first three common multiples of 3 and 9 are 9, 18, 27
The multiples of 6 is 6,12,18,24,30,36,42,48,54,60,66,72,78,84,90.................. The multiples of 9 is 9,18,27,36,45,54,63,72,81,90,99,108,117,126,135...............
3 + 6 + 9 + ... + 18000 = 3(1 + 2 + ... + 6000) = 3 × ½ × 6000 × (6000 + 1) = 54,009,000
3, 6, 9 9, 18, 27