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anastassius [24]
2 years ago
14

What does x=?what does y=?​

Mathematics
1 answer:
Oliga [24]2 years ago
7 0

Answer:

x = 13, y = 54

Step-by-step explanation:

9x - 7 = 7x + 19

2x = 26

x = 13

~~~~~~~~~~

1110+ y + 16 = 180

y = 54

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Mario has a business selling muffins. Let x be the price of a muffin. Then, the profit P for Mario’s business is given by p(x)=-
Rufina [12.5K]
To make a positive profit p(x)>0 we need to make:
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Now we solve this for x:
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We will use formula for quadratic equation:
x_{1} =  \frac{-b+ \sqrt{ b^{2}-4ac } }{2a}  \\  \\  x_{2} =  \frac{-b- \sqrt{ b^{2}-4ac } }{2a}  \\  \\  x_{1} =  \frac{-7+ \sqrt{ 49-24 } }{-4} = \frac{-7+5 }{-4} = \frac{-2 }{-4} = \frac{1}{2}  \\  \\  x_{2} =  \frac{-7- \sqrt{ 49-24 } }{-4}  = \frac{-7-5 }{-4} = \frac{-12 }{-4} = 3

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nevsk [136]

Answer:

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3 years ago
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