√(1/121) = √1 / √121 = 1 / 11 = <em>11⁻¹</em>
Answer:
14/41=9
Step-by-step explanation:
6*3/7*3=18/21
1*7/3*7=7/21
18*7=126/441
126/9=14
441/9=49
Answer:

Step-by-step explanation:
4-xy=y^3
dy/dx=?

Solving for dy/dx: Addind x dy/dx both sides of the equation:

Common factor dy/dx on the right side of the equation:

Dividing both sides of the equation by 3y^2+x:

Answer:
The number is 16
Step-by-step explanation:
Five more than a certain number is 11 less than double the number
x+5 = 2x-11
11+5 = 2x-x
16 = x
Answer:
Not probabillity of picking a green marble is 80%
Step-by-step explanation: