Which graph represents this system? 3x+2y=-6 y=-x+2 2
1 answer:
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Answer:
Y ≈ 59.0°
Step-by-step explanation:
Using the Cosine rule
cosY =
with x = 22, y = 20, z = 18
cosY =
=
= , then
Y = (
) ≈ 59.0° ( to the nearest tenth )
You take a pen or something that can produce writing then poke the paper at a place. That place is now a plotted point with coordinates in your notebook.
Hope this helps :)