11.Use the exponential regression equation that best fits the data
2 answers:
Answer:
B. 73.5
Step-by-step explanation:
Using Excel (you can use similar software or a scientific calculator) we get the figure attached. After adding the trend line, we get that the equation that best fits the data is:
y = 0.0034*e^(0.7129*x)
Replacing with x = 14 we get:
y = 0.0034*e^(0.7129*14)
y = 73.5
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Answer:
- 150π ft²
- 10π ft.
Step-by-step explanation:
Area of the sector :
Finding the area given r = 30 ft. and θ = 60° :
⇒ Area = π × (30)² × 60/360
⇒ Area = π × 900/6
⇒ Area = 150π ft²
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Length of the arc :
Finding the arc length given r = 30 ft. and θ = 60° :
⇒ Arc Length = 2 × π × 30 × 60/360
⇒ Arc Length = 60/6 × π
⇒ Arc Length = 10π ft.