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elena55 [62]
3 years ago
5

Some questions I have on a test that I need ASAP...

Mathematics
2 answers:
Svetllana [295]3 years ago
6 0
1. 13
2. 20
3. 4
4. 40
5. 4
6. 4
IgorC [24]3 years ago
3 0

Answer:

J+12=25  J=25-12

J=13

K-16=4 K=4+16

K=20

C+8=12 C=12-8

C=4

R / 10 =4 R =4 x 10

R=40

64=16 x U. U= 64 / 16

U=4

3 x v = 12  V = 12 / 3

V= 4

Step-by-step explanation:

J=13

K=20

C=4

R=40

U=4

V= 4

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Step-by-step explanation:

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so the fraction would be 18/60

Then you can divide both numbers by 6 to 3/10

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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}
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<u>Given:</u>

  • Amplitude -> a=8.3-4.35=3.95
  • 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
  • Vertical Shift/Midline -> d=\frac{8.3+0.4}{2}=\frac{8.7}{2}=4.35

<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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