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Hogar Banco de preguntas Matemáticas Álgebra Archive 2025 January 10

Algebra Questions from Jan 10,2025

Browse the Algebra Q&A Archive for Jan 10,2025, featuring a collection of homework questions and answers from this day. Find detailed solutions to enhance your understanding.

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s streak, so let's start a new one today. \( \begin{array}{l}\text { Find the solution to the system of equations. } \\ \text { You can use the interactive graph below to find the solution. } \\ \left\{\begin{array}{l}y=-7 x+3 \\ y=-x-3\end{array}\right. \\ \text { week } \\ \text { streak }\end{array} \) Khan Academy Donate streak, so let's start a new one today. week Level 4 (i) Find the solution to the system of equations. You can use the interactive graph below to find the solution. \[ \begin{array}{l} \left\{\begin{array}{l} -8 x+4 y=24 \\ -7 x+7 y=28 \end{array}\right. \\ x=\square \end{array} \] S start a new one today. \[ \begin{array}{l}-3 x+3 y=9 \\ \text { Estimate the solution to the system of equations. } \\ \text { You can use the interactive graph below to find the solution. } \\ 2 x-7 y=-14 \\ \text { Choose } 1 \text { answer: } \\ \text { (A) } x=-1 \frac{2}{5}, y=1 \frac{3}{5} \\ \text { (B) } x=-2 \frac{2}{5}, y=1 \frac{3}{5} \\ \text { (C) } x=-1 \frac{2}{5}, y=2 \frac{3}{5} \\ \text { (D) } x=-2 \frac{2}{5}, y=2 \frac{3}{5}\end{array} \] Find the solution to the system of equations. You can use the interactive graph below to find the solution. \( \left\{\begin{array}{l}-3 x-9 y=18 \\ 4 x+3 y=12\end{array}\right. \) \( x= \) a) \( \frac{9^{-1} x^{-2} y^{2}}{\left(3 x y^{-1}\right)^{-3}} \) Find the solution to the system of equations. You can use the interactive graph below to find the solution. \( \left\{\begin{array}{l}-2 x+2 y=-4 \\ 3 x+3 y=-18\end{array}\right. \) \( x=\square \) \( \left\{\begin{array}{l}7 x-y=7 \\ x+2 y=6\end{array}\right. \) Choose 1 answer: \( x=2 \frac{1}{3}, y=2 \frac{1}{3} \) (A) \( x=1 \frac{1}{3}, y=1 \frac{1}{3} \) (C) \( x=1 \frac{1}{3}, y=2 \frac{1}{3} \) (D) \( x=2 \frac{1}{3}, y=1 \frac{1}{3} \) \( y \) Solve for \( s \) \( 0.5 s+1=7+4.5 s \) \( s=\square \) Solve for \( e \). Give an exact answer. \( 0.75(8+e)=2-1.25 e \) \( e=\square \) 4 A school is organizing a fundraiser. The total amount of money raised \( (R) \) (in dollars) can be modeled by the equation: \( 3 x+5 y=150 \) where: ( \( x \) ) is the number of ticket sales, (y) is the number of donations received. Convert the equation to slope-intercept form.
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