What is x when 13 divided by x equals 9?

To find the answer, just divide the dividend by the quotient: 13 ÷ 9 = 1.4444444444444

To prove this, let's compute 13 divided by 1.4444444444444: $\frac{13}{1.4444444444444} = 9$

How does it work?

Asking what the value of x could be when 13 divided by x gives a result of 9, is equivalent to solving the following equation:

$\frac{13}{x} = 9$

Multiply both sides by x: $\frac{13 x}{x} = 9 x$
$\frac{13 x}{x}$ is equivalent to $\frac{x}{x} \times 13$ , which simplifies to $1 \times 13$ (or just $13$ ).
Thus, the equation becomes: $13 = 9 x$
To find x, divide both sides by 9: $\frac{13}{9} = \frac{9 x}{9}$
Which gives, after simplification: $1.4444444444444 = x$ (or $x = 1.4444444444444$ )

So, if the dividend is 13 and the quotient is 9, the divisor is 1.4444444444444.