Check please?

Solve for X, leave in simplest radical form, below I posted my answer and the question

Question

Check please?

Solve for X, leave in simplest radical form, below I posted my answer and the question

bookworm14 · Answer

attachment

astrophysics · Answer

Pythagorean theorem$$a^2+b^2=c^2$$

bookworm14 · Answer

that is what I used :)

mathmale · Answer

When you've supposedly solved an equation, you can check your work by substituting your answer back into the original equation.  If the equation is then true,  your solution is correct.

aravindg · Answer

Looks good :)

bookworm14 · Answer

I substituted my answer and it came out correctly, that means I for sure have this right? It has been a while since I have done these

mathmale · Answer

Find the square of     2Sqrt(22).
Find the square of 9.

Add these squares together.
Find the square root of this sum.

If your result is 13, your  solution       2Sqrt(22)    is correct.

mathmale · Answer

Delete what?

bookworm14 · Answer

Thank you everyone!! :D $\color{purple}{\Huge\ddot\smile\heartsuit}$