3 years ago

I need help again lol this one I really don’t know

Mathematics

2 answers:

timofeeve [1]3 years ago

8 0

Answer:

It's weight. A is right.

goldenfox [79]3 years ago

5 0

Answer:

A) Weight

Step-by-step explanation:

Think about what "pull of gravity" means. What force pulls you toward the center of the earth because of gravity? Weight of course.

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Answer:

$y(t)= 6-3cos(\dfrac{2\pi}{14}t )$

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The function that could model this periodic phenomenon will be of the form

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and its midline $y_0$ is

$y_o=3+3 \\\\\boxed{y_o= 6ft}$ .

Furthermore, since at $t=0$ the tide is at its lowest ( 3 feet ), we know that the trigonometric function we must use is $-cos(\omega t)$ .

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$\omega (t+14)= 4\pi$

giving us

$\boxed{\omega = \dfrac{2\pi}{14}.}$

With all of the values of the variables in place, the function modeling the situation now becomes

$\boxed{y(t)= 6-3cos(\dfrac{2\pi}{14}t ).}$

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