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san4es73 [151]
2 years ago
9

What is the solution to the equation 1 over 21 multiplied by x is equal to 1 over 7?

Mathematics
1 answer:
Ulleksa [173]2 years ago
6 0
It would be X=3 because 3 multiplied by 1 equals 3 and you get 3 over 21. that simplifies to 1 over 7.
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Step-by-step explanation:


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2 years ago
Iver a 24-hour period, the tide in a harbor can be modeled by one period of a sinusoidal function. The tide measures 4.35 ft at
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Answer:

f(x)=3.95sin(\frac{\pi}{12}x)+4.35

Step-by-step explanation:

<u>Recall:</u>

  • Sinusoidal Function -> f(x)=a*sin(bx+c)+d
  • Amplitude -> a
  • Period -> \frac{2\pi}{|b|}
  • Phase Shift -> -\frac{c}{b}
  • Vertical Shift/Midline -> d

<u>Given:</u>

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  • Period -> \frac{2\pi}{|b|}=\frac{2\pi}{|24|}=\frac{2\pi}{24}=\frac{\pi}{12}
  • Phase Shift -> -\frac{c}{b}=-\frac{0}{24}=0
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<u>Conclusion:</u>

The equation that models the situation is f(x)=3.95sin(\frac{\pi}{12}x)+4.35

Hope this helped! I've attached a graph of the function so you can understand it better!

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Step-by-step explanation:

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