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Mathematics, 14.05.2021 22:20 keykey5349

7. Joanna wants to buy a computer that is selling for 25% off the retail price. The retail price of the computer is $238.56. What is
the selling price of the computer?
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2 points, PAX

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Answers: 1

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Answer from: Quest

207/8 is the right

Solve for x i’m having trouble finding out the answer

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Answer from: Quest

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

$\begin{bmatrix}1 & 0 & 0& |5 \\ 0& 2& 0& |8\\ 0& 0& 3& |9\end{bmatrix}$

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

$\begin{bmatrix}1 & 0 & 0& |5 \\ 0& 1& 0& |4\\0& 0& 1& |3\end{bmatrix}$

What is the next step in solving this augmented matrix using gauss-jordan elimination method

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Answer from: Quest

the cost of the pair of pants is $31.95

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