The answer is c, -1 or -7
Hope this helped :)
Answer:
I think it's the third one sry if I'm wrong
The answer is no, it couldn't be because the side lengths do not adhere to the triangle inequality theorem. which states that the sum of the side lengths of any 2 sides of a triangle must exceed the length of the third side
3.5+8>13.5 Is not correct.
Answer: A
Y-3 = 2(2-3) y=1
y−3=2(2−3)
Step 1: Simplify both sides of the equation.
y−3=2(2−3)
y+−3=−2
y−3=−2
Step 2: Add 3 to both sides.
y−3+3=−2+3
y=1
Step-by-step explanation: y + 5 = 2(2 + 1) y+5=2(2+1)
y=1
Notice the picture below
what we have, is really an angle, encroached by two sides
thus, use the Law of Cosines