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3 years ago

7

A credit card company calculates its minimum monthly payment as 4% of the credit card balance or $30, whichever is greater. If E

mile Fritz has a credit balance of $385.48, what is his minimum monthly payment (in dollars)?

1 answer:

kipiarov [429]3 years ago

6 0

Answer:

$30

Step-by-step explanation:

4% of 385.48

= 0.04(385.48)

= 15.4192

30 is greater the 15.4192,

Monthly payment would be $30

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Answer:

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Step-by-step explanation:

Let's call the width of the rectangle 'w' and the length 'x'. So the area of the semicircle is:

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$41 = x + 2*w + \pi*w/2$

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Now, the equation for the total area of the window is:

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To find the maximum area, we can find the x-coordinate of the vertex of the quadratic equation:

$x\_vertex = -b / 2a = -41 / (-3.1781*2) = 6.45$

So the width that gives us the maximum area of the window is 6.45 feet, and the area will be:

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3 years ago