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igor_vitrenko [27]

3 years ago

9

Joan has raised $306 by selling 34 equally priced boxes of chocolate for the team fund-raiser. Which of the following equations

can be used to find the price, n, of each box of chocolate? n ÷ 34 = 306 34n = 306 n − 34 = 306 n + 34 = 306

1 answer:

Dmitry_Shevchenko [17]3 years ago

6 0

Answer to this is 34n=306

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levacccp [35]

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3 years ago

2.1 & 2.2 Assessment: Vertex & Standard Form of Quadratic Functions

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$~~~~~~\textit{vertical parabola vertex form} \\\\ y=a(x- h)^2+ k\qquad \begin{cases} \stackrel{vertex}{(h,k)}\\\\ \stackrel{"a"~is~negative}{op ens~\cap}\qquad \stackrel{"a"~is~positive}{op ens~\cup} \end{cases} \\\\[-0.35em] ~\dotfill$

$\begin{cases} h=1\\ k=-9 \end{cases}\implies y=a(x-1)^2 - 9\qquad \textit{we also know that} \begin{cases} x=2\\ y=-7 \end{cases} \\\\\\ -7=a(2-1)^2-9\implies 2=a(1)^2\implies 2=a \\\\[-0.35em] ~\dotfill\\\\ ~\hfill {\Large \begin{array}{llll} y=2(x-1)^2 -9 \end{array}} ~\hfill$

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10 months ago