Answer:
1 hr 20 min.
Step-by-step explanation:
Answer:
3,4,5,6 and 7
Step-by-step explanation:
Given

Required
State the values of x within 2 and 8

Collect Like Terms


Divide both sides by 5


(2,8) is an open interval which means that 2 and 8 are not inclusive of the values of x.
So:
The values of
are: 3,4,5,6 and 7
Answer:
5) 18.8 cm
7) 49.5 ft
Explanation:
The formula for arc length is S = θ * r
5) S = 18 cm * Pi/3 (60 degrees in radians)
S = 6 Pi cm
S ≈ 18.8 cm
7) S = 9 ft * 7 Pi / 4
S = 63 Pi ft / 4
S ≈ 49.5 ft
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