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2 years ago

10

Suppose that x and y vary inversely and x = 1 when y =5. Write a function that models the inverse variation Graph the function a

nd find y when x = 20

1 answer:

Vaselesa [24]2 years ago

3 0

The answer is a function

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2 years ago

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Allisa [31]

Answer:

23. x= -2/5 x= -5

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26. x= 3 x= -2/3

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3 years ago

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Agata [3.3K]

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2 years ago

Your school is hosting a play and tickets are being sold for $10 each the cost to rent the nearby theater and costumes is $450 a

svlad2 [7]

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8 0

2 years ago

Determine the 8th term in the geometric sequence whose first term is -10 and whose common ratio is 2

enyata [817]

$\bf n^{th}\textit{ term of a geometric sequence}
\\\\
a_n=a_1\cdot r^{n-1}\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
a_1=-10\\
r=2\\
n=8
\end{cases}
\\\\\\
a_8=-10\cdot 2^{8-1}\implies a_8=-10\cdot 2^7
\\\\\\
a_8=-10\cdot 128\implies a_8=-1280$

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3 years ago