jfitness11
18.02.2020 •
Mathematics
Fina wants to use substitution to solve the system of equations. explain what she needs to do before using substitution. then solve the system of equations:
2x - y = 3
-1.5x + 3y = -18
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Ответ:
x = -2, y = -7
Step-by-step explanation:
Check attachment
I hope this was helpful, Please mark as brainliest.
Ответ:
frequency, f = 1/t = (1/3) hz.
angular velocity ω = 2πf = 2*3.14*(1/3) ≈ 2.093
angular velocity ≈ 2.093 radians/second