Question

if the expression $\frac{3d*√5}{3^2*√45}$ is equal to 3, what is the value of d

Answer 1

Answer:

d = 27

Step-by-step explanation:

$\frac{3d\sqrt{5}}{3^2\sqrt{45}}=3\\\frac{3d\sqrt{5}}{3^2\sqrt{5\cdot 9}}=3\\\frac{d}{3\sqrt{9}}=3\\\frac{d}{9}=3\\d = 3\cdot 9= 27$