Answer:

Step-by-step explanation:

It's B check it on a graph and u can see it
Step-by-step explanation:
We have,
The frequency of note A is 880 Hz and the frequency of note D is 1175 Hz. It is required to find the ratio of D to A.
It means
.
Using the values of frequency of D and A. So,

In decimal form,

In integer form,

Answer:
5) a) x=55
Step-by-step explanation:
x=55
2x + 15 = 110 + 15
=125