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Sphinxa [80]
2 years ago
8

What is the solution to the system of equations?

Mathematics
1 answer:
rosijanka [135]2 years ago
7 0

Step-by-step explanation:

3x - 6(2x + 4) = 3

3x - 12x + 24 = 3

-9x + 24 = 3

-9× = -21

x = 2.33

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How many real roots does a quadratic equation have if the discriminant is -3?
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3 years ago
Larry has a gift card worth 400 for a local entertainment store Movies cost $20 each and newly released video games cost $50 eac
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Answer:

All are correct.

Step-by-step explanation:

Let x be the number of movies and y be the number of newly released video games.

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Point (5,6) satisfy both inequalities.

For (10,4),

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Point (10,4) satisfy both inequalities.

For (20,0),

20(20)+50(0)\leq 400\Rightarrow 400\leq 400

20+0\geq 9\Rightarrow 20\geq 9

Point (20,0) satisfy both inequalities.

For (15,2),

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Point (15,2) satisfy both inequalities.

Therefore, all combination of movies and newly released video games Larry could purchase using his gift card.

4 0
3 years ago
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