A ball is thrown from an initial height of 3 feet with an initial upward velocity of 31ft/s. Find all values of t for which the balls height is 17 feet

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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t

step-by-step explanation:

ever thing time 1 is a multiply by 1 it get