 ## What do you add 25 4 to make 7?

We add 3/4 to 25/4 to make 7.

As 25/4 + 3/4 = 28/4 = 7..

## What divided by what gives you 13?

You can prove this by taking 52 and dividing it by 4, and you will see that the answer is 13. Tip: For future reference, when you are presented with a problem like “What divided by 4 equals 13?”, all you have to do is multiply the two known numbers together. What divided by 4 equals 14?

## What can equal 13?

Therefore there are subsequences for {3,6,9}….NumberRepeating Cycle of Sum of Digits of Multiples10{1,2,3,4,5,6,7,8,9}11{2,4,6,8,1,3,5,7,9}12{3,6,9,3,6,9,3,6,9}13{4,8,3,7,2,6,1,5,9}8 more rows

5,6,6 and 7 =24.

## What is a sum of 13?

0 + 13 = 13. 1 + 12 = 13. 2 + 11 = 13. 3 + 10 = 13. 4 + 9 = 13.

## Why 9 is a magic number?

Answer. (1) When you multiply nine by any number and add up the digits of the answer, you get 9. (2) The difference between a positive integer and the sum of its digits (or digital root) is a multiple of nine. … The digital root of 27 is 2+7 = 9, which means it is evenly divisible by nine.

## Why is 9 a special number?

The number 9 is revered in Hinduism and considered a complete, perfected and divine number because it represents the end of a cycle in the decimal system, which originated from the Indian subcontinent as early as 3000 BC. … Nine is a significant number in Norse Mythology.

## What 4 numbers add up to 28?

So to sum to 28 we have only the digits 9, 8, 6 and 5 and 9, 8, 7 and 4.

## What has a sum of 18 and a difference of 6?

The sum of two numbers is 18 and their difference is 6 what is the answer? Izz Y.

## What numbers multiply to make 15?

15 = 1 x 15 or 3 x 5. Factors of 15: 1, 3, 5, 15.

## What is the 9 trick in math?

A Mathemagical Trick Start by thinking of a number, any number. Now, multiply that number by 9. If the result is a multi-digit number, add its digits together to come up with a new number. If that new number is still a multi-digit number, add its digits together to come up with yet another new number.

## What 2 Numbers add up to 9?

2 + 7 = 9, cross out 2 and 7. 2.4 + 3 = 9, cross out 4, 3 and 2. 3. There are no other groups of numbers adding up to 9.

## What three numbers add up to 15?

Therefore the average sum of three numbers is 45:3=15. The number 15 is called the magic number of the 3×3 square. You can also achieve 15, if you add the middle number 5 three times. The odd numbers 1,3,7, and 9 occur twice in the reductions, the even numbers 2,4,6,8 three times and the number 5 once.

## What 4 numbers add up to 15?

The possible number whose combination would result in sum of 15 are: 69, 78, 87, 96. So, there are only 4 combinations which would result in 15.

## What is the 24 challenge?

The 24 Challenge® is a tournament-style competition organized around the 24® Game. Millions of students in more than 20 countries have participated since 1988. Over a period of months preceding the event, teachers use the 24® Game in their classrooms to help students hone their mathematics skills.

## What numbers can equal 24?

Answer and Explanation: The factor pairs of 24 are: 1 x 24, 2 x 12, 3 x 8, and 4 x 6. When you find the factors of a number, you are looking for numbers that can be…

## What number is equal to 16?

16 = 1 x 16, 2 x 8, or 4 x 4. Factors of 16: 1, 2, 4, 8, 16. Prime factorization: 16 = 2 x 2 x 2 x 2, which can also be written 16 = 2⁴. Since √16 = 4, a whole number, 16 is a perfect square.

## What two numbers add to 18?

Factors of 18: The square root of 18 is 4.2426, rounded down to the closest whole number is 4. Testing the integer values 1 through 4 for division into 18 with a 0 remainder we get these factor pairs: (1 and 18), (2 and 9), (3 and 6). The factors of 18 are 1, 2, 3, 6, 9, 18.

## What two numbers add 13?

1 Answer. The numbers are 6 and 7. If you add them, you get 13 and if you subtract 7 from 6 you will get -1.

## What 4 numbers add up to 25?

Some of these solutions are: 1+6+8+10=25, 1+7+8+9=25 and so on.