Answer:
For intermediate runners (generally those who run 10 – 20 miles per week) an average 5K time would be around 20-25 minutes, which is an average speed of around 7-9mph over the course.
Step-by-step explanation:
https://www.ukfitnessevents.co.uk/event/5k-runs/average-5k-time
Answer:

Step-by-step explanation:
We have three similar triangles:

therefore the sides are in proportion:

We have AD = a, CD = 16 and BD = 4. Substitute:
<em>cross multiply</em>

and other proportion:

We have AB = b, BC = 16 + 4 = 20 and BD = 4. Substitute:
<em>cross multiply</em>

Answer:
<em>132 and the second one is 50</em>
Step-by-step explanation:
- <em>For the first one you do 4 x 6 x 5 1/2 = 132</em>
- <em>And for the second one you do 2 1/2 x 2 1/2 x 8 which = 50</em>
- <em>The third one is 7.3 x 8.5 x 4.2 = 260.61 </em>
- <em>Hope this helps</em>
- <em>Hope this is right</em>
- <em>Hope you have a nice day</em>
Answer:

Step-by-step explanation:
Given:
Simplify The given choice.




Therefore, the first option
is correct.