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alexdok [17]
2 years ago
9

A rectangular tile measures 3 inches by 4 inches. What is the fewest number of these tiles that are needed to completely cover a

rectangular region that is 2 feet by 5 feet
Mathematics
1 answer:
Mars2501 [29]2 years ago
5 0

1 foot = 12 inches.

Convert the dimensions of the region to inches:

2 feet = 24 inches

5 feet = 60 inches

Area of region = 24 x 60 = 1,440 sq. In.

Area of tile = 3 x 4 = 12 sq. In.

Number of tiles needed = 1440/12 = 120

120 tiles are needed.

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12x(x^2+x-2x-2)=0\\
12x(x(x+1)-2(x+1))=0\\
12x(x-2)(x+1)=0\\
x=0 \vee x=2 \vee x=-1\\\\
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y(-1)=3\cdot(-1)^4-4\cdot(-1)^3-12\cdot(-1)^2+1=3+4-12+1=-4=\\
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3 years ago
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8 0
3 years ago
What is the domain of the given function?
andrezito [222]
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2 years ago
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yaroslaw [1]
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