It's A since tangent is just opposite over adjacent, 12 is the opposite and 5 is the adjacent
Answer:
l-4l+l-3l??
Step-by-step explanation:
Hello,
2x²+x-14=0
Δ=1+4*14*2=113
x=(-1-√113)/4=-2,8839...≈-2.88
or x=(-1+√113)/4=2,40753≈2.41
So here are your variables:
# of adult tickets= x
# of student tickets 2x
so x+2x= 246 and solve
3x=246
x=82 adult tickets were sold
Answer:
no
Step-by-step explanation:
I calculated