Answer:
Step-by-step explanation:
4x + 2y = 6
isolate the y term
2y = -4x + 6
divide by the coefficient of y
y = -2x + 3
Answer:
srry what do u mean?
Step-by-step explanation:
Answer:a
Step-by-step explanation:
I will believe that it’s 3.8 inches long.
Answer:
cos θ = 1/2
Step-by-step explanation:
4 cos θ + 4 sin² θ = 5
Use Pythagorean identity.
4 cos θ + 4 (1 − cos² θ) = 5
4 cos θ + 4 − 4 cos² θ = 5
0 = 4 cos² θ − 4 cos θ + 1
0 = (2 cos θ − 1)²
0 = 2 cos θ − 1
cos θ = 1/2
