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brilliants [131]
2 years ago
6

Write a system of two linear equations in two variables that represents this real life problem and Solve the system of linear eq

uation.
Cody's school is selling tickets to a spring musical. On the first day of the ticket sales the school sold 2 senior citizen tickets and 8 child tickets for a total of $78. The school took in $84 on the second day by selling 4 senior citizen's ticket and 8 child tickets.

Find the price of a senior citizen ticket and the price of a child ticket. Show your work for full credit.
Mathematics
1 answer:
kotykmax [81]2 years ago
5 0

i dont get question

Step-by-step explanation:

dgj

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to get the inverse of any expression, we start off by doing a quick switcheroo on the variables and then solve for "y".

\stackrel{f(x)}{y}=\cfrac{1}{x^2}\implies \stackrel{\textit{quick switcheroo}}{x=\cfrac{1}{y^2}}\implies y^2=\cfrac{1}{x}\implies y=\sqrt{\cfrac{1}{x}}\implies \stackrel{f^{-1}(x)}{y}=\cfrac{1}{\sqrt{x}}

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Answer:

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3 years ago
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alisha [4.7K]

Answer:

c(12 + 9 + 6)

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Step-by-step explanation:

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Or

12c + 12 (3/4c) + 12 (1/2c)

12c + 9c + 6c

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a^2 + b^2 = c^2

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