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arsen [322]
2 years ago
10

An item is regularly priced at $55. Michael bought it on sale for 80% off the regular price. How much did Michael pay

Mathematics
1 answer:
garri49 [273]2 years ago
7 0

Answer:

he paid $11

Step-by-step explanation:

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Determine the correct set up for solving the equation using the<br> quadratic formula 4x^2-5=3x+4
slava [35]

You need to subtract everything to the left side and set it equal to zero. Combine like terms.

Then, the coefficient of x^2 is a, the coefficient of x is b, and the constant term is c.

4x^2 - 5 = 3x + 4

4x^2 - 3x - 5 - 4 = 0

4x^2 - 3x - 9 = 0

a = 4; b = -3; c = -9

x = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a}

x = \dfrac{-(-3) \pm \sqrt{(-3)^2 - 4(4)(-9)}}{2(4)}

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3 years ago
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mel-nik [20]

Answer:

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Step-by-step explanation:

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2 years ago
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ella [17]
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3 years ago
Each side of a cube is 2 inches long what’s the volume of the cube
Kaylis [27]

Answer:

Step-by-step explanation:

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V = s^3

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