Mathematics

16.09.2021 16:50

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The CD Warehouse is having a clearance sale. A CD player that originally sells for

The CD Warehouse is having a clearance sale. A CD player that originally sells for $60 is now priced at $36. What is the percent decrease in the price?

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alyssadgonzalez

4,4(35 marks)

Step-by-step explanation:

i did the problem and got it right

photagraphykid

5,0(5 marks)

the equation of the line that passes through the points $a(x_a,y_a)$ and $b(x_b,y_b)$ has o form

$\dfrac{x-x_a}{x_b-x_a}=\dfrac{y-y_a}{y_b-y_a}.$

if line passes through the points (-1, -3) and (2, 1), then

$\dfrac{)}{)}=\dfrac{)}{)},\\ \\\dfrac{x+1}{3}=\dfrac{y+3}{4},\\ \\4(x+1)=3(y+3),\\ \\4x+4=3y+3,\\ \\4x-3y+1=0.$

the equation in the standard form is

$4x-3y+1=0.$

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