Mathematics, 27.06.2019 13:00 electrofy456
Solve the system of equations by substitution. 6 = −4x + y −5x − y = 21solve the system by the elimination method. 2x + y = 20 6x – 5y = 12
Answers: 1
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Use law of cosines to prove the measures of angles a, b, and c in the triangle below are equal. then find the exact value of cos a and explain why that value implies ma = 60°.
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Solve the system of equations by substitution. 6 = −4x + y −5x − y = 21solve the system by the elim...
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