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Olenka [21]
3 years ago
9

HELP! i need help with this area problem so my math test.

Mathematics
2 answers:
olga2289 [7]3 years ago
5 0

Answer:dsnsjfnwnjdfneknnk m c

Step-by-step explanation:

Schach [20]3 years ago
5 0

Answer:c

Step-by-step explanation:

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svlad2 [7]

3.) f(x)=-2(x+1)^2+3

Domain: (- infinity, infinity)

Range:(-infinity,3]

Vertex: (-1,3)

Axis of symmetry: x=-1

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3 years ago
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3 years ago
Cynthia Besch wants to buy a rug for a room that is 19 ft wide and 30 ft long. She wants to leave a uniform strip of floor aroun
dusya [7]

Answer:

width =  15 ft

length = 26 ft

Step-by-step explanation:

(19 - 2x)(30 - 2x) = 390

570 - 38x - 60x + 4x² = 390

combine like terms:

4x² - 98x + 570 = 390

subtract 390 from each side of the equation:

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divide by 4:

x² - 24.5 + 45 = 0

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since x = 22.5 is out of the usable range, x = 2 ft is the solution

width = 19 ft - 4 ft = 15 ft  (remember that there will be a 2 ft gap at each wall, thus subtract 4 ft)

length = 30 ft - 4 ft = 26 ft

3 0
3 years ago
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What is another name for the height of a prism or a pyramid
Tcecarenko [31]
Another name for the height of a prism is "Altitude."
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3 0
3 years ago
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Please help I need the answer ASAP!!!!!
zloy xaker [14]

h(t) = 80t - 16t²

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Answer: 5 seconds

3 0
4 years ago
Read 2 more answers
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