Answer:
y = 8.49
Step-by-step explanation:
cos 45 = 6/y
0.7071 = 6/y
5x² - 9x + 45 = 0
Δ = b² - 4.a.c
Δ = (-9)² - 4 . 5 . 45
Δ = 81 - 4. 5 . 45
Δ = -819
There's no real root.
1st One goes to the third one
2nd one goes to the 1st one
3rd one goes to the 4th one
and the 4th one goes to the 2nd one
Answer:umm that looks hard
