2 years ago

. -5, 10, 7, 10, 9, 0, 1, 9, -1, 5 Work out the mean.

Mathematics

1 answer:

bezimeni [28]2 years ago

4 0

Answer:

Step-by-step explanation: because its online

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Isaiah measured a house and made a scale drawing. In real life, the hall closet is 5 feet long. It is 10 inches long in the draw

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1 year ago

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The area of a rectangular wall of a barn is 216 square feet. Its length is 6 feet longer than twice its width. Find the length a

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Length is 24 feet and width is 9 feet.

Step-by-step explanation:

It is given that length of a rectangular wall is 6 feet longer than twice its width.

Let x feet be the width of wall.

Length = 2x+6 feet

Area of rectangle is

$A=length \times width$

$A=(2x+6)\times x$

$A=2x^2+6x$

It is given that area of a rectangular wall of a barn is 216 square feet.

$2x^2+6x=216$

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$x^2+3x-108=0$

Splitting the middle term, we get

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$(x+12)(x-9)$

$x=-12,9$

Width can not be negative. So width is 9 feet.

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3 years ago