Mathematics: Bob runs four laps. The average speed for the first lap is 12 km/h, the average speed for the second lap is 10km/h, the average speed for the third lap is 8km/h and the average speed for the last lap is 6km/h. What is average speed for the four laps

Circumference is calculated by using .We know that the radius is 10 inches, so let s plug that in....

Bob runs four laps. The average speed for the first

danielmartinez024m

31.01.2022

The average speed for the four laps is 9 km/h.

Step-by-step explanation:

The average speed of the four laps can be calculated as follows:

$\overline{v_{T}} = \frac{\overline{v_{1}} + \overline{v_{2}} + \overline{v_{3}} + \overline{v_{4}}}{4}$

Where:

$\overline{v_{1}}$ : is the average speed for the first lap

$\overline{v_{2}}$ : is the average speed for the second lap

$\overline{v_{3}}$ : is the average speed for the third lap

$\overline{v_{4}}$ : is the average speed for the fourth lap

Hence, the average speed for the four laps is:

$\overline{v_{T}} = \frac{12 km/h + 10 km/h + 8 km/h + 6 km/h}{4}$

$\overline{v_{T}} = 9 km/h$

Therefore, the average speed for the four laps is 9 km/h.

I hope it helps you!

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