Mathematics: Match each item in column a to an answer in column b. 5. (1 pt) which answer describes the solution to each equation? column a column b 1. 5x + 7 = 1/2 (10x +12) 2. 1/9 (18x + 27) = 1+ x -4 - 3x 3. x + 3/4 = 3/4x + 3/4 4. 4 + 3x = 2x - 10 a. one solution b. no solution c. an infinite number of solutions

Match each item in column a to an answer in column

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neparidzetazo

01.02.2021

$\bf \textit{area of a sector of a circle}\\\\
A=\cfrac{\theta \pi r^2}{360}\qquad 
\begin{cases}
\theta =\textit{angle in degrees}\\
r=radius
\end{cases}\\\\
-------------------------------\\\\$

$\bf \cfrac{\triangleleft ABC}{\triangleleft DBE}\qquad \cfrac{\frac{\beta \pi (2r)^2}{360}}{\frac{3\beta \pi (r)^2}{360}}\implies \cfrac{\beta \pi (2r)^2}{360}\cdot \cfrac{360}{3\beta \pi (r)^2}\implies \cfrac{\beta \pi 2^2r^2}{360}\cdot \cfrac{360}{3\beta \pi r^2}
\\\\\\
\cfrac{\beta \pi 4r^2}{3\beta \pi r^2}\implies \cfrac{4}{3}$

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