1: True
This is because <span>(3×5)+(5×5)=40, and 8x5=40
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2: False
This is because <span>(3×2)+(8×3)=30, not 40.
I hope i helped :)</span>
Answer:
Option B. 
Step-by-step explanation:
we know that
The frequency is equal to the number of cycles divided by the time
Remember that
1 cycle = 1 full wave to repeat itself
In this problem
From o to 12 seconds ------> there are 2 cycles
therefore
The frequency is equal to

Answer:
blue is red
Step-by-step explanation: