Answer:
Jo started decelerating at the 10th minute
His average speed for the last 30 minutes of the journey is 4/30 km/minute
Step-by-step explanation:
To get what Jo did at 10 minute, we look at the graph.
At the 10th minute, we can see that we have a sharp turn from the top to the zero position at the 20th minute
so we can say that Jo started deceleration at the 10th minute
For the last 30 minutes of the journey, he travelled a distance of 4km
So, mathematically, his average speed will be;
Distance/ time = 4km/30 minutes = 4/30 km/minute
It takes 144 minutes to deliver 72 papers
Answer:
10x + 9
Step-by-step explanation:
3(2x + 2) +4x + 3
=> 6x + 6 + 4x + 3
=> 10x + 9
Therefore, 10x + 9 is the solved equation.
Hoped this helped.
Answer:
2:1
Step-by-step explanation:
Circle P has radius 14 feet.
The circumference of this circle is given by:
We plug in the radius to get:
Circle Q has diameter 14 feet.
The circumference of this circle is given by
We substitute the diameter d=14 to get,
The ratio of the circumference of P to the circumference of Q is
Answer: the bottom right one
Step-by-step explanation:
you can put your pencil like this I and follow the line without two parts touching the line (vertical line test)
