Answer:
Amplitude = 3 feet; period = 8 hours; midline: y = 4
Step-by-step explanation:
sketch it....(see attached)
It is B.
You see that the line segment crosses the y-axis at 1? That is known as the y intercept.
Remember y = mx + b?
Well in this graph, b = 1
Therefore it is B
Answer:
The answer is 40 miles!
Step-by-step explanation:
1 inch= 10 miles
2 inches= 20 miles
3 inches= 30 miles
4 inches= 40 miles
Just count by tens
Answer:
Step-by-step explanation:
Speed boat departed 1.75 hrs after steam boat1.8 hrs after speed boat departure, steam boat has sailed for a total: 1.8+1.75 = 3.55 hrssteam boat's speed is 36.8 km/hr, so it has traveled: 3.55*36.8 = 130.64 km
speed boat is 86.9 km behind steam boat. so it is 130.64-86.9 = 43.74 km from portspeed boat's speed = 43.74/1.8 = 24.3 km/hr