kalebbenton15
13.06.2021 •
Mathematics
Find the vertex and focus of the
parabola:
y2 – 1Сy + 4x + 21 = 0
and please explain how you did it
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Ответ:
answer is 4%
Step-by-step explanation:
use formula Interest = Principal x Rate x Time
126 = 450 · 7 · r
126 = 3150 r
r = .04