Answer:
x = 12
Step-by-step explanation:
10x = 120 original equation
10x/10 = 120/10 divide both sides by 10
x = 12 simplify
Check work:
10(12) = 120
120 = 120 (true)
Answer:
9
Step-by-step explanation:
9 squared plus 40 squared= 41 squared
The volume is 810 ft^3= 9*10 *x
810=90x
x=810/90
x=9 feet is the long
Answer:
boy im on winter break
Step-by-step explanation:
Answer:
See explanation below
Step-by-step explanation:
To find the principal square root of a number, we the number with an index of 2. The base then become the principal square root.
In the same way, we find the cube root of a number by writing the number with an index of 3 and the base becomes the cube root of the given number.
For instance:

![64=4^3\implies 4=\sqrt[3]{64}](https://tex.z-dn.net/?f=64%3D4%5E3%5Cimplies%204%3D%5Csqrt%5B3%5D%7B64%7D)