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valentinak56 [21]
3 years ago
9

The graph shows the cost to rent a surfboard for different amounts of time. Cost to Rent a Surfboard Cast (dollars) 1 7 23 4 5 6

Amount of Time (hours) which list best represents the Independent values of the graphed points? 1 2.50, 2 15, 3, 22.50, 4, 30, 5, 37-50, 6, 45 5, 10, 15, 20, 25, 30, 35, 40, 45 H 7.50, 15, 22.50. 30. 37.50, 45 1. 2. 3. 4. 5. 6​
Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
3 0

Answer:

d

Step-by-step explanation:

Because it is asking for the amount of times and the dots land in 1,2,3,4,5,6 hope this helps :D

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now, this is a quadratic equation, but the roots do not come out as integers, however it does have them, the discriminant, b² - 4ac, is positive, so it has 2 roots, so we'll plug it in the quadratic formula,

\bf 8sin^4(x)-6sin^2(x)+1=0\implies 8[~[sin(x)]^2~]^2-6[sin(x)]^2+1=0
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~~~~~~~~~~~~\textit{quadratic formula}
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\begin{array}{lcccl}
& 8 sin^4& -6 sin^2(x)& +1\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array} 
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sin(x)= \cfrac{ -  b \pm \sqrt {  b^2 -4 a c}}{2 a}
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\begin{cases}
\frac{1}{2}\\\\
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sin^{-1}\left( \frac{1}{2} \right)
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\frac{\pi }{6}~,~\frac{5\pi }{6}\\
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180-14.47751\\
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Hi there

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Here's why.

X will be the cost of pound of salmon, and y will be the cost of a pound of tuna.
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6y = 204-12x
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