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Paha777 [63]
3 years ago
11

11. Alicia and three friends are making a video

Mathematics
1 answer:
Zigmanuir [339]3 years ago
6 0

Answer:

L < 3s + 5

Step-by-step explanation:

Given that:

Video length of all 3 friend are equal

Let the length of the video made by each friend = s

Length of video of all 3 friends = 3s

Alicia's video segment is less than 5 minutes long

Hence the length L of the full video :

L = (Length of video of all 3 friends + Alicia's video segment)

Since Alicia's < 5

Hence full video length :

L < 3s + 5

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stellarik [79]

Answer:

A) (2,20)

B) Yes, Because the line passes through the origin (0,0)

C.) In 10 hours, the cost of electricity is $100

D.) y=10x

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Colossus Added to six flags st. Louis in 1986, the Colossus is a giant Ferris wheel. Its diameter is 165 feet, it rotates at a r
NemiM [27]

Given:

D=165 feet and the frequency of the motion is 1.6 revolutions per minute.

Solution:

The radius is half of the diameter.

The radius of the wheel is 82.5 feet.

T=\frac{1}{1.6} \text{ minutes}

As we know: \omega=\frac{2\pi}{T}

Substitute the value of T in the above formula.

\omega=\frac{2\pi}{\frac{1}{1.6}}\\\omega=3.2\pi

If the center of the wheel is at the origin then for t=0 the rest position is -a.

This can be written as:

h(t)=-a\cos(\omega t)\\h(t)=-82.5cos(32.\pi t)

The actual height of the rider from the ground is:

h(t)=\text{ Initial height from bottom}+\text{ radius}-82.5\cos(3.2\pi t)\\h(t)=15+82.5-82.5\cos(3.2\pi t)\\h(t)=97.5-82.5\cos(3.2\pi t)

The required equation is h(t)=97.5-82.5\cos(3.2\pi t).

3 0
3 years ago
Find the range of ƒ(x) = –x + 4 for the domain {–3, –2, –1, 1}.
qaws [65]

Answer:

range {3, 5, 6, 7 }

Step-by-step explanation:

to find the range substitute each value of x from the domain into f(x)

f(- 3) = -(- 3) + 4 = 3 + 4 = 7

f(- 2) = - (- 2 + 4 = 2 + 4 = 6

f(- 1) = - (- 1) + 4 = 1 + 4 = 5

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range y ∈ { 3, 5, 6, 7 }


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3 years ago
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notka56 [123]
M=FD^2/(-Gn) 
here is the solution 

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Find the perimeter of the window to the nearest hundredth.<br><br> also how do you do it?
k0ka [10]

  • <em>I am assuming the picture is of a stained glass window in the shape of a semicircle</em>.

Answer: 7.71 feet.

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The diameter is 3 feet. Substitute this into the equation:

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Round -

The answer is already rounded.

Hope this helped!~

6 0
3 years ago
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