Cos (3π/4) can be written as,
cos (π-π/4) = -cosπ/4 = -1/√2
similarly sin3π/4=sin(π-π/4) = sin π/4 = 1/√2
100%=80cars
1%=0.8cars
35%=28cars
80-28-16=36 tan cars
36/80 x 100% =45%
Answer:
y = -2
Step-by-step explanation:
2y - 2 = -6
+2 +2
2y = -4
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2 2
y = -2