Can someone please help me??? -5x+y=35 3x+2y=-21 (Use substitution method)
2 answers:
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Answer:
c) y = 8
Step-by-step explanation:
in a 30-60-90° Δ the ratio of the sides, respectively, is 1: : 2
if the side opposite the 30°∡ is 8 then 'y' is 8 and 'x' is 16