<span>When the temperature of the air is 50°C, the velocity of a sound wave traveling through the air is approximately Answer</span>: 361 m/s
Answer:
D. 20
Step-by-step explanation:
Since you are subtracting, you can add 4 and 1. The sum is 5. 20/4 is equal to 5 so R = 20.
Step-by-step explanation:
here is the explanation in pictures
Answer:it depends what percent of what number
Step-by-step explanation:
Answer:
m<CAB = 59
m<ACB = 59
Step-by-step explanation:
4x - 41 = 2x + 9
2x - 41 = 9
2x = 50
x = 25
m<CAB: 4x - 41
4(25) - 41
59
m<ACB: 2x + 9
2(25) + 9
59