Why would you want to use a simulation?

The uses of simulation in business are varied and it is often utilized when conducting experiments on a real system is impossible or impractical, often because of cost or time. The ability to analyze the model as it runs sets simulation modeling apart from other methods, such as those using Excel or linear programming.

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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°

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step-by-step explanation:

domit