When y = 0 then 3x - 6x0 = -21 -> 3x = -21 -> x = -7
The x-intercept is at (-7, 0)
=sin30cos60 + sin60cos30
=(1/2)(1/2) + (√3/2)(√3/2)
=1/4 + 3/4
=1+3/4
=4/4
=1
It took them 4 days to install 480 chairs which means if they were working at a constant rate they got 120 chairs installed daily. with 360 chairs left that means in 3 days they will finish. so overall, it took the workers 7 days to finish, or a week.
Answer:
-14.4
Step-by-step explanation:
