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3 years ago

9

Which inequality represents the following situation: You have $120 to purchase CDs for your birthday. The CDs cost $12 each. Wha

t are the possible numbers of CDs that you can afford to buy?
A. 12x≤120
A. 12x≥120
A. 12x< 120
A. 12x> 120

1 answer:

Mazyrski [523]3 years ago

4 0

Answer:

A

Step-by-step explanation:

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Em 1 Graph the system of equations. { x−y=6 ,4x+y=4

muminat

Graphing the system of equations is shown in figure attached.

Solution set is (2,-4). The lines will intersect at (2,-4)

Step-by-step explanation:

We need to graph the system of equations. $x-y=6 ,4x+y=4$

First we will find value of x and y

Let:

$x-y=6\,\,eq(1)\\4x+y=4\,\,eq(2)$

Add eq(1) and eq(2)

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Putting value of x in eq(1) and finding y

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Graphing the system of equations is shown in figure attached.

Solution set is (2,-4). The lines will intersect at (2,-4)

Keywords: System of equations

Learn more about system of equations at:

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