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7 14 21 28 35 42 49 56 63 70 77 84 91 98 105 112 119 126 133 140 147 154 161 168 175 182 189 196 203 210

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13y ago
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14y ago

what are the first 3 multiples?

7

14

21

so add them together!

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10y ago

3 + 6 + 9 + 12 = 30

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11y ago

21.

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10y ago

30

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Q: What is the sum of the first 2 multiples of 7?
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Related questions

What is the sum of the first 4 multiples of 5?

5 + 10+15+20=50 ans


What is the sum of all 2-digit multiples of 7 whose digits sum to a prime number?

-5


What is a common multiple for 2 4 and 7 and is a digit total of 11?

To find a common multiple for 2, 4, and 7 with a digit sum of 11, we first need to find the multiples of each number. The multiples of 2 are 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, and so on. The multiples of 4 are 4, 8, 12, 16, 20, and so on. The multiples of 7 are 7, 14, 21, 28, 35, and so on. By examining the lists, we find that the number 28 is a common multiple for 2, 4, and 7 with a digit sum of 11.


What is the sum of all integers not greater than 10000 that are not divisible by 7?

This is easiest to answer by summing all the numbers 1-10000 and subtracting the sum of the multiples of 7 (7, 14, 21, ..., 9996). The sum of a series is: S = (first + last) x number_of_terms / 2 For for 1-10000, the sum is: S1 = (1 + 10000) x 10000 / 2 = 10001 x 5000 = 50005000 For the multiples of 7 the sum is: S2 = (7 + 9996) x 1428 / 2 = 10003 x 714 = 7142142 So the sum of all integers not greater than 10000 that are not divisible by 7 is: S = S1 - S2 = 50005000 - 7142142 = 42,862,858


List the first three common multiples of 2 and 7 and 8?

lcm(2, 7) = 14 → first 3 common multiples are: 14, 28, 42; lcm(2, 8) = 8 → first 3 common multiples are: 8, 16, 24; lcm(7, 8) = 56 → first 3 common multiples are: 56, 112, 168; lcm(2, 7, 8) = 56 → first 3 common multiples are: 56, 112, 168.


What are the first two common multiples of 2 3 and 7?

To find the common multiples of 2, 3, and 7, we first list the multiples of each number: Multiples of 2: 2, 4, 6, 8, 10, 12, ... Multiples of 3: 3, 6, 9, 12, 15, 18, ... Multiples of 7: 7, 14, 21, 28, 35, ... The first common multiple of 2, 3, and 7 is 6, as it is the smallest number that is a multiple of all three numbers. The second common multiple is 12, as it is the next number that is a multiple of all three numbers.


What are the first 3 common multiples of 7 and 3?

2


What are the first 90 multiples of 7?

These are the first 90 multiples of 7:714212835424956637077849198105112119126133140147154161168175182189196203210217224231238245152159266273280287294301308315322329336343350357364371378385392399406413420427434441448455462469476483490497504511518525532539546553560567574581588595602609616623630


Write down the first 3 multiples of 7?

The first 3 multiples of 7 are: 7, 14, and 21.


What is the sum of the first 7 prime numbers?

Sum of first 7 prime numbers is equal to 2+3+5+7+11+13+17 = 58.


What does the first three common multiples of 2 and 7?

14, 28, 42


What are the first 2 multiples of 6 7 8?

168, 336, 504