Answer:
256/81
Step-by-step explanation:
According to the formula:
Using the above formula to solve the question, we perform following steps:
=
=
= which is the required answer.
Your answer is 30 m/s.To find the wave speed multiply the frequency by the wavelength.
Answer:
15
Step-by-step explanation:
3, 6 ,9, 12, 15
I think it should be 3 then add 3