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Snezhnost [94]
2 years ago
6

The table shows information about the number of sweatshirts sold and money collected at a fundraiser for school athletic program

s. For exercise 7-12 use the table

Mathematics
1 answer:
Murljashka [212]2 years ago
6 0


…………………………………………….not really sure about the last question

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A jacket is priced at $90.00 but has a discount of 40%. what is the sale price?<br> show work!
alexdok [17]

Answer:

$36

Step-by-step explanation:

90*0.40=36

40%=0.40

8 0
3 years ago
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Matthew went to a amusement park during his summer vacation. He went
Bond [772]

Answer:

4 rides

Step-by-step explanation:

36.75-10.5= 26.25    cost of admission

26.25 divded by 5.5= 4.7777777

so 4 rides with left over change

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2 years ago
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The unshaded area inside the figure to the right is 648 in.² Use this fact to write an equation involving x. Then solve the equa
FrozenT [24]

The <em>second order</em> polynomial that involves the variable <em>x</em> (border inside the rectangle) and associated to the <em>unshaded</em> area is x² - 62 · x + 232 = 0.

<h3>How to derive an expression for the area of an unshaded region of a rectangle</h3>

The area of a rectangle (<em>A</em>), in square inches, is equal to the product of its width (<em>w</em>), in inches, and its height (<em>h</em>), in inches. According to the figure, we have two <em>proportional</em> rectangles and we need to derive an expression that describes the value of the <em>unshaded</em> area.

If we know that <em>A =</em> 648 in², <em>w =</em> 22 - x and <em>h =</em> 40 - x, then the expression is derived below:

<em>A = w · h</em>

(22 - x) · (40 - x) = 648

40 · (22 - x) - x · (22 - x) = 648

880 - 40 · x - 22 · x + x² = 648

x² - 62 · x + 232 = 0

The <em>second order</em> polynomial that involves the variable <em>x</em> (border inside the rectangle) and associated to the <em>unshaded</em> area is x² - 62 · x + 232 = 0. \blacksquare

To learn more on polynomials, we kindly invite to check this verified question: brainly.com/question/11536910

3 0
2 years ago
Emilia ate lunch at a restaurant. The bill came to $51. If she left a 15% tip, how much was the tip?
Arturiano [62]

Answer:

7.65

Step-by-step explanation:

15% of 51 is 7.65

4 0
3 years ago
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You are given the following equation: (x+3)^2 + (y+9)^2 = 144 What is the<br> radius? *
Anettt [7]

Answer:

12

Step-by-step explanation:

(x-h)^2 + (y-k)^2 = r^2 so taking the square root of 144 gives you 12

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2 years ago
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