shoreelinee1337
12.07.2019 •
Mathematics
11(y^2-ay+2) = -11y^2+33y-b what equals a and b
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Ответ:
-11y² + 11ay - 22 = -11y² + 33y - b distributed -11 on the left side
11ay = 33y divide both sides by 11y: → a = 3
-22 = -b divide both sides by -1: → b = 22
a = 3, b = 22
Ответ:
Step-by-step explanation:
sinθ = 13.8/14
θ = arcsin(13.8/14) = 80.3°
The ladder is not safe at that angle.