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3 years ago

Express each repeating decimal as a fraction. 1. 1.8[4] 2. 2.1[26]

1 answer:

4 0

Hello,

1.8444444....=1.8+1/10*0.44444....
=1.8+1/10*4/9
=1.8+4/90
=162/90+4/90
=166/90
=83/45

2.126262626...=2.1+1/10*0.262626...
=2.1+1/10*26/99
=2.1+26/990
=2079/990+26/990
=2105/990
=421/198

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1 year ago

The rectangle below has a area x^2-x-72 square meters and a length of x+8 meters what expression represents the width of the rec

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ANSWER

$w = (x - 8)$

EXPLANATION

The given rectangle has area,

$A = {x}^{2} - x - 72 \: {m}^{2}$

It was given to us that, the length of the rectangle is l=(x+8)

To find the width, we need to factor, the expression for the area.

We split the middle term to get,

$A = {x}^{2} - 9x + 8x- 72$

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$A = x(x - 9) + 8(x- 9)$

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Hence the width of the rectangle is,

$w = (x - 8)$

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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