Answer:
100% increase
Step-by-step explanation:
Answer:
50Hz x .10m = 5 m/s
20 m/s divided by .50m = 40Hz
80 m/s divided by .20m = 400Hz
120 m/s divided by .40m = 300Hz
340 m/s divided by 440Hz = .77m
-29
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Answer:
<8 and <6 are congruent to each other.
Step-by-step explanation:
A protractor was used to determine the answer. They both measured to 140 degrees.