Answer:
the rational numbers that doesn’t have a reciprocal are [math]0 [/math] (which can also be expressed as [math]\frac {0} {x}, x \neq 0 [/math] ), and any number of the form [math]\frac {x} {0} [/math].
Step-by-step explanation:
Similar triangles
x/3 = (9+3)/x
x/3 = 12/x
x^2 = 3 * 12
x^2 = 36
x = 6
Answer
6
Translation
$7.50
