Answer:
5
Step-by-step explanation:
If one standard frequency scale is 220 hertz
Then the number of scales 1100 hertz frequency can be calculated as follows
= 1100/220
= 5
Hence 5 scales are present in 1100 hertz frequency
x=9
Add 6 to both sides of the equation. x = 3 + 6
Add 3and 6.
-2.5
Plugged into calculator
