Answer:Yesterday, Ron helped his father
Step-by-step explanation:
Answer:
-0.25 ; 120 seconds 72 seconds
Step-by-step explanation:
Dive rate is constant :
Change in elevation after 8 seconds :
18 feets to 20 feets below
Rate of change = distance / time
(18 - 20) feets / 8 seconds
(-2 / 8) = - 0.25 feets per second
To reach 50.feets :
She needs to cover (50 - 20) = 30 feets
Time = distance / speed ; 30 feets / 0.25 = 120 seconds
The average speed is 50 meters per second
<h3>How to determine the average speed?</h3>
The given parameters are:
Laps = 4
Time = 2 minutes
1 lap = 25 meters
Start by calculating the total distance
Distance = Laps * Meters
Distance = 4 * 25 meters
Distance = 100 meters
The average speed is then calculated as:
Speed = Distance/Time
This gives
Speed = 100 meters/2 minutes
Evaluate
Speed = 50 meters per second
Hence, the average speed is 50 meters per second
Read more about speed at:
brainly.com/question/4931057
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Answer:
33.94 years
Step-by-step explanation:
m = 115
y = mx + b
Since the buffalo starts at 115 kg, the y intercept of the line would start at 115.
y = mx + 115
Each year the buffalo is increasing 85kg, so that is the slope.
y = 85x+115
You are looking for when the buffalo is equal to 3 tonnes, 3000kg.
3000kg = 85x +115
x = 33.94 years