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Monica [59]
3 years ago
8

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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The Hudson Bay tides vary between 3 feet and 9 feet. The tide is at its lowest point when time (t) is 0 and completes a full cyc
BaLLatris [955]

Answer:

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

Step-by-step explanation:

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

y(t) = y_0+Acos(wt)

The tide varies between 3ft and 9ft, which means its amplitude A is

A =\dfrac{(9-3)ft}{2} \\\\\boxed{A = 3ft}

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).

The period of the full cycle is 14 hours, which means

\omega t =2\pi

\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 ).}

8 0
4 years ago
Evaluate 2k + m if k = 11 and m = 5.
Reptile [31]
<span> 2k + m
= 2(11) + 5
= 22 + 5
= 27</span>
5 0
3 years ago
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310 is 40% of what number
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516-309.6
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What is 3(b+4)-2 for an equivalent expression
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4b+1 equivalent to -2(b+4)+3
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the radii of two circles are in the ratio of 3 to 1 find the area of the smaller circle if the area of the larger circle is 27
stepan [7]

3 1

3x 27 =


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