Please help! What is the first step in solving the quadratic equation x2 = 9/16

- Take the square root of both sides of the equation.

-Add 1 to both sides of the equation.

-Square both sides of the equation.

-Subtract 1 from both sides of the equation.

Take the square root of both sides

Step-by-step explanation:

I'm going to assume your questions looks like this

To solve this you just take the sqareroot of both sides which should get you

-3/4, 3/4=x

2.2°  

step-by-step explanation:

let θ = the angle of elevation.

tanθ =77/2020

tanθ = 0.038 12

      θ = tan⁻¹0.038 12

      θ = 2.2°

98%

step-by-step explanation: