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V ≈ 1436.03 cm³

Step-by-step explanation:

The formula for the volume of a sphere is πr³. r represents the radius, which is 7 cm since the diameter is 14 cm, so plug 7 into the equation as r. Also remember that the question states to use 3.14 for pi/π.

V = (3.14)(7)³

V ≈ 1436.03 cm³

x/3-10=8

x/3=18

x=48

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°