# What two numbers add to and multiply to 10?

Delpha Wand asked, updated on August 17th, 2021; Topic: multiply
👁 460 👍 11 ★★★★☆4.3

NumberRepeating Cycle of Sum of Digits of Multiples
8{8,7,6,5,4,3,2,1,9}
9{9,9,9,9,9,9,9,9,9}
10{1,2,3,4,5,6,7,8,9}
11{2,4,6,8,1,3,5,7,9}

On top of this, what numbers add to and multiply to 9?

There are an infinite number of pairs of numbers which, when multiplied together, give 9. Some of them are: (1,9), (3,3); (2, 4.5), (1.5, 6), (-1, -9).

Additionally, what two numbers add up to 42? Factor of 42 in pairs

• and 42 are a factor pair of 42 since 1 x 42= 42.
• and 21 are a factor pair of 42 since 2 x 21= 42.
• and 14 are a factor pair of 42 since 3 x 14= 42.

Then, what numbers multiply to 32 and add to 12?

4×8=32 4+8=12 ← these are the ones we want.

What can multiply to get 100?

100 = 22 + 24 + 26 + 28; that's the sum of 4 consecutive EVEN numbers. 16 + 18 + 20 + 22 + 24 = 100; that's the sum of 5 consecutive EVEN numbers. 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 = 100; that's the sum of the first 10 ODD numbers.

### What two numbers make 18?

Factors of 18: 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 are multiples 9?

The first ten multiples of 9 are 9, 18, 27, 36, 45, 54, 63, 72, 81, 90. For the tens places, note that the number 9 can be thought of as 0 tens and 9 ones so the tens place has a 0. The tens place of 18 is 1.

### What can you times to get 42?

42 = 1 x 42, 2 x 21, 3 x 14, or 6 x 7. Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42.

### What 3 numbers add up to 42?

1 Answer. Alan P. and the three consecutive integers are 13, 14, and 15.

### What multiplication makes 36?

36 = 1 x 36, 2 x 18, 3 x 12, 4 x 9, or 6 x 6.

### What factors of 32 add up to?

32 and Hooked on Factoring 32 = 1 x 32, 2 x 16, or 4 x 8. Factors of 32: 1, 2, 4, 8, 16, 32. Prime factorization: 32 = 2 x 2 x 2 x 2 x 2, which can also be written 32 = 2⁵. When 32 is a clue in the FIND THE FACTORS puzzles, always use 4 and 8 as the factors.

### What can I multiply to get 16?

16 = 1 x 16, 2 x 8, or 4 x 4. Factors of 16: 1, 2, 4, 8, 16.

### What can go into 48?

Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48. Prime factorization: 48 = 2 x 2 x 2 x 2 x 3, which can also be written 48 = 2⁴ x 3.

### What is the trick to the 9 multiplication?

Count the number of fingers to the right of the folded finger (3). Remember: Whatever number you want to multiply by nine, that's the finger you fold down.

### How does the 1089 trick work?

1089 is widely used in magic tricks because it can be "produced" from any two three-digit numbers. ... Take any three-digit number where the first and last digits differ by 1 or more. Reverse the digits, and subtract the smaller from the larger one. Add to this result the number produced by reversing its digits.
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