amberunderhill
13.11.2020 •
Mathematics
If the speed of sound in dry air is 348.1 m/s, which of the following is the closet to the temperature of the air?
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Ответ:
Step-by-step explanation:
vertex-form equation for a vertical parabola with vertex (h,k):
y = a(x-h)² + k
y = -1.5(x+2)²
vertex (-2,0)
y-intercept = -1.5(0+2)² = -6