Answer:
B- 12
Step-by-step explanation:
B) 15
sqrt(6x) = 3 sqrt(10)
Square each side
(sqrt(6x))^2 = (3 sqrt(10))^2
Remember (ab)^2 = a^2 b^2
6x = (3^2) sqrt(10))^2
6x = 9 * 10
6x = 90
Divide each side by 6
6x/6 = 90/6
x = 15
the answer is 50/9
other forms
5 5/9
multiple the two numbers
