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AleksAgata [21]

3 years ago

15

Kyle is hanging wallpaper in his bedroom. A roll of wallpaper is 5 feet long. Kyle cuts off a piece of wallpaper 2 5/6 feet long

. How much wallpaper is left on the roll (*Hint-be sure to regroup)? please help i'm stuck :((((((

2 answers:

Dmitriy789 [7]3 years ago

8 0

2 feet and 2 inches are left

Korvikt [17]3 years ago

6 0

Answer: (5 feet) - ((2 5/6) feet) =

2.16666667 feet (2 feet 2 inches)

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Answer:

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3 years ago

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3 years ago

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bearhunter [10]

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2 years ago

Really need help guys!<br> Love you if you can solve them wiz steps!!!!

Marta_Voda [28]

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Step-by-step explanation:

$x^2+y^2-8x+4y+4=0\\\\a)\\\\x^2-8x+y^2+4y+4=0\\\\x^2-2*x*4+(y^2+2*y*2+2^2)=0\\\\x^2-2*x*4+4^2+(y+2)^2=4^2\\\\(x-4)^2+(y+2)^2=4^2\\$

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$b)\\\\y=0\\x^2+0^2-8x+4*0+4=0\\x^2-8x+4=0\\a=1\ \ \ \ b=-8\ \ \ \ c=4\\D=(-8)^2-4*1*4\\D=64-14\\D=48\\\sqrt{D}=\sqrt{48} \\ \sqrt{D}=\sqrt{16*3} \\\sqrt{D}=\sqrt{4^2*3} \\\sqrt{D}=4\sqrt{3} \\\displaystyle\\x=\frac{-(-8)б4\sqrt{3} }{2*1} \\\\x=\frac{8б4\sqrt{3} }{2} \\x_1=4-2\sqrt{3} \\x_2=4+2\sqrt{3}$

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5 0

2 years ago