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Nat2105 [25]
3 years ago
8

Evaluate if t=-2, x=3 and z=5

Mathematics
2 answers:
kow [346]3 years ago
7 0
What is the equation that these numbers should be plugged into?
shepuryov [24]3 years ago
6 0
What happens to the equation of it
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A Ferris wheel has a diameter of 380 feet and the center of the wheel is 195 feet above the ground. The wheel makes a complete t
Aleksandr [31]

Answer:

<u><em>y = -190 cos(π t / 120) + 195</em></u>

Step-by-step explanation:

<em>General form of a sinusoidal function: y = A cos(Bt - C) + D </em>

<em> </em>

<em>Now generally a cosine function starts at the maximum value, so to start at the minimum value, flip the cosine function by making it negative. </em>

<em> </em>

<em>A is the amplitude of the curve and will be the radius of the ferris wheel. Therefore, A = 380 / 2 = 190 feet. </em>

<em> </em>

<em> 2π / B is the period of the curve and will be the time to complete one full rotation. The time to complete one full rotation is given as 4 minutes. Convert this into seconds to get period = 4 minutes * (60 seconds / minute) = 240 seconds. Therefore, B = 2π / period = 2π / 240 seconds = π / 120. </em>

<em> </em>

<em> C/B is the phase shift, or horizontal shift of the graph. Since the negative cosine function already starts at the minimum value, there is no phase shift so C/B = 0, meaning C = 0. </em>

<em> </em>

<em> D is the vertical shift and will be the height of the center of the ferris wheel. Therefore, D = 195 feet. </em>

<em> </em>

<em> Your final function will be:</em>

<u><em>y = -190 cos(π t / 120) + 195</em></u>

7 0
3 years ago
Help!!
Likurg_2 [28]

Answer:

x =88/9

Step-by-step explanation:

the rule of B.E.A.N. states that the distributive property among the other mathematical properties must converge all numbers from their original state into a hyroglyphic form of theorem outside our magnitude and ultimately equal x=88/9

7 0
2 years ago
3x+6-2 = 6x-(7/2*9/0)<br>​
kvv77 [185]

3x+6-2 = 6x-( \frac{7}{2}  \times  \frac{9}{0} ) \\  \\ 3x + 4 = 6x -  \frac{63}{0}  \\  \\ 3x + 4 = 6x - 0 \\  \\ 4 + 0 = 6x - 3x \\  \\ 3x = 4 \\  \\ x =  \frac{4}{3} .

The value of x is 4/3 .

5 0
2 years ago
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What is the slope of the line determined by the points (-1,2) and (6,-3) ?
Ilya [14]
m=\dfrac{y_2-y_1}{x_2-x_1}\\\\&#10;m=\dfrac{2-(-3)}{-1-6}\\&#10;m=\dfrac{5}{-7}\\&#10;m=-\dfrac{5}{7}\\
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Geometry math question please help
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