Please help me kdkxkzjksjzjs

Step-by-step explanation:

Make m subject of the formula :

M=(T/2π)^2 * K

M= (0.5/2)^2 * 125=0.79kg

I hope it will help

i dont understand the question? ?

step-by-step explanation:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!