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Q: How is 51 divided by 4 equal to 12.75?

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sum of n natural number is n(n+1)/2 first 50 number sum is 50(50+1)/2 = 1275

12.75

0.0784

12.75

It is 50*51/2 = 1275.

51

12.75

To find an equal but lesser fraction, you do the numerator (51) divided by the denominator (68). in this case, it is 0.75 0.75 = 3/4. 51/68 in smallest form is 3/4.

12.75 = 12 and 3/4 = 51/4

12.75 = 1275/100. This can then be simplified by removing the common factor, 25, to give the answer 51/4.

because 12.75 x 4 = 51

51.25

54

8

No. 51 divided by 4 equals 12 with a remainder of 3 or 12.75

4

8 divided by 2 equals 4. and 16 can be divided by 4 to equal 4 for 8/2 to equal 2/8

12.75

98

The formula for the nth triangular number is n(n+1)/2. Therefore, the fourth triangular number is equal to 4 x (4+1) / 2 = (4 x 5) / 2 = 10. The fiftieth triangular number is equal to 50 x (50+1) / 2 = (50 x 51) / 2 = 1275.

4 divided by -7

4

17

4

51.5