Answer:
2 Right Angled Triangles
Step-by-step explanation:
Answer: 71
Step-by-step explanation:
start from 15 on the x axis and follow it up to the dot. Ik this is correct because i got help from a teacher lol
Answer:
3/4 of an hour (45 minutes)
Step-by-step explanation:
It takes 15 minutes to paint 1/3 of the wall. To paint the entire wall you would have to repeat that process 3 times, so you multiply the amount of time it took by 3.
<span>For the answer to the question above, the average mean speed of the molecules of air is faster in warm air than on cool air. The sound is transferred by collisions of molecules. Therefore sound waves will travel faster on warm air because collisions of molecules of air in warm air are greater.</span>