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:
j=42
Step-by-step explanation:
since it's 7x larger you just have to multiple 6 by 7 to find j
1792=3x+14
I’m not sure that’s all the way correct
Sin = surd 3 / 2
get it????
The correct answer for the given question above would be option C. The term that best describes a fraction that has a variable or variable expression in its numerator, its denominator, or both is called a rational fraction. This is when both the numerator and the denominator are polynomials<span>. Hope this answers your question.</span>