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The mathematical question 18 + 9 is 27 and the answer to 18 - 9 is 9.

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10y ago

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What 3 numbers have a gcf of 9?

9 and any two multiples of it. There are an infinite number of correct answers. For example: 9, 18, and 27.


What is all the answers for factors of 54?

1, 2, 3, 6, 9, 18, 27, 54


What is a number between 61 and 107 that is a multiple of 6 9 and 18?

6 does not matter as 18 is a multiple (6 x 3 = 18) 9 does not matter as 18 is a multiple (9 x 2 = 18) the multlples of 18 are 36 54 72 90 108 126 and so on ... not one but two answers, either 72 or 90 . 72 = 18 x 4 = 9 x 8 = 6 x 12 90 = 18 x 5 = 9 x 10 = 6 x 15


How can you multiply a number by 9?

to multiply a number by 9, the numbers in your answers add up to 9. Here's a pattern: 9*1=9 9+0=9 9*2=18 1+8=9 9*3=27 2+7=9. When we get to 9*11, we get 99. 9+9=18, 1+8=9. The rule still applies to 99.


What two numbers give you 18?

There are infinitely many possible answers. 2 and 0.9 multiplied together or 1.5 and 0.3 added together or 5400 divided by 3000 or 5.832 to the power (1/3)


What is the square root of 4 times the sq-rt of 81 8?

The square root of 4 * the square root of 81 four possible combinations:-2 * -9-2 * 92 * -92 * 9and two possible answers-2 * 9 and 2 * -9 = -18-2* -9 and 2 * 9 = 18


What is the answer for 6 x 9?

9+9+9+9+9+9=18+18+18=32+18=56


What numbers are multiples of 9 and factors of 45?

9 itself is a multiple of 9 since 9x1= 9 and of course it is a factor alsosince 18, 27, and 36 do not work, the only other is 9x5=45So the answers are 9 and 45Nine and forty_give


What are three numbers divisible by 9?

Three numbers are : 3 9 and 1 * * * * * Oh dear! Those are numbers that divide into 9, not numbers that are divisible (not divisable, incidentally) by 9. Possible answers to the question are 18, 27 and 36


What is the GCF of 18 and 9?

The GCF is 9.


What is the answer to 18-9?

18-9=9


What is -9 plus -9?

-18