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Ilia_Sergeevich [38]
3 years ago
12

Lee needed to make drapes the length from the floor to the top of the window. The wall beneath the window had the height of 2 2/

3 feet and the height of just the window measured 2 3/4 feet. How long do the drapes have to be?
Mathematics
1 answer:
Tatiana [17]3 years ago
7 0
Since drapes have to be covered all over the window and the beneath of the window, both lengths have to be added.

(2 2/3) + ( 2 3/4) 
(8/3) + (11/4)
(32+33)/12
65/12
5 5/12
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Eight burgers and three orders of fries cost $79.49. Six orders of fries and twelve burgers cost $125.82.Find the price of one b
dezoksy [38]

Answer:

  • Burgers - $8.29 and fries - $4.39

Step-by-step explanation:

<u>Let burgers - b, fries - f</u>

  • 8b + 3f = 79.49
  • 12b + 6f = 125.82

<u>Double the first equation and subtract the second equation:</u>

  • 16b + 6f - 12b - 6f = 2(79.49) - 125.82
  • 4b = 33.16
  • b = 33.16/4
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<u>Find f:</u>

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5 0
2 years ago
Suppose f(x) = x^2. Find the graph of f (x-5). <br> -Graph 1<br> -Graph 2<br> -Graph 3<br> -Graph 4
ohaa [14]

Answer:

x²-10x+25

Step-by-step explanation:

f(x) = x²

<h3>i) substitute the x-5 into x</h3>

f(x-5) = (x-5)²

<h3>ii) using the formula (a-b)² = a²-2ab+b², expand the expression</h3>

f(x-5) = (x-5)²

= x²-2(5x)+5²

<h3>iii) calculate the products</h3>

f(x-5) = x²-2(5x)+5²

= x²-10x+25

* the pic i inserted shows the shape of your graph

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3 years ago
Evaluate the expression when c= -4.<br> c² – 5c+2
Fiesta28 [93]

Answer:

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Step-by-step explanation:

You have to substitue c = -4 into the expression :

Let c = -4,

{( - 4)}^{2}  - 5( - 4) + 2

= 16 + 20 + 2

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