Answer:
4 cm
Step-by-step explanation:
Perimeter = 18cm
θ = 2.5 radian
s = rθ, s = Arc length
Perimeter of Sector, P = arc length, s + 2r
Perimeter = rθ + 2r
r = Radius
18cm = r(2.5) + 2r
18cm = 2.5r + 2r
18cm = 4.5r
r = 18 /4.5
r = 4
Step-by-step explanation:
f(x) = 1
f(-2) = 1
Constan function f(n) = k, n and k elemen real
Answer:
first and third
Step-by-step explanation:
Consider
y = x + 3 ( multiply through by 2 )
2y = x + 6 ← third equation
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