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cestrela7 [59]
3 years ago
10

Alicia pays $180 to have cable and wi-fi installed in her home. Each month, she will pay $75 month for her cable

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
7 0

Answer:

In a year she will pay $900

The cost of the installation and a month would be $225

The cost of a year and installation would be $1,080

Step-by-step explanation:

         </3 PureBeauty

           

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A (2) =4*2 +882

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What is the relationship between the discriminant of a quadratic and its graph?
faltersainse [42]

Answer:

In a quadratic equation of the shape:

y = a*x^2 + b*x + c

we hate that the discriminant is equal to:

D =  b^2 - 4*a*c

This thing appears in the Bhaskara's formula for the roots of the quadratic equation:

x = \frac{-b +-\sqrt{b^2 - 4ac} }{2a}

You can see that the determinant is inside a square root, this means that if D is smaller than zero we will have imaginary roots (the graph never touches the x-axis)

If D = 0, the square root term dissapear, and this implies that both roots of the equation are the same, this means that the graph touches the x axis in only one point, wich coincides with the minimum/maximum of the graph)

If D > 0 we have two different roots, so the graph touches the x-axis in two different points.

4 0
2 years ago
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To represent the red ant,
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To calculate,
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To calculate,
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If t = 2,
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4 0
3 years ago
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