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3 years ago

10

The maintenance bill for the entire shopping center of 180,000 square feet is $45,000 for the quarter. What proportional share d

oes a store of 2,400 square feet owe?

1 answer:

Svetllana [295]3 years ago

6 0

180000/45000=2400/x
Solve for x
X=600

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The length of a rectangular flower bed is 2ft longer than the width. If the area is 6ft, then what are the exact length and widt

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Answer:

Exact dimensions:

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Approximate dimensions:

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Step-by-step explanation:

Let's assume width of rectangle is w ft

The length of a rectangular flower bed is 2ft longer than the width

so,

length =w+2

$L=w+2$

now, we can find area

$A=L\times W$

now, we can plug it

$A=(w+2)\times w$

$A=w^2+2w$

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so, we can set it equal

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$w^2+2w=6$

$w^2+2w-6=0$

we can use quadratic formula

$ax^2+bx+c=0$

$x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

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a=1 , b=2 , c=-6

$w=\frac{-2\pm \sqrt{2^2-4\cdot \:1\left(-6\right)}}{2\cdot \:1}$

$w=-1+\sqrt{7},\:w=-1-\sqrt{7}$

we know that dimension can never be negative

so, we will only consider positive value

Exact dimensions:

$width=-1+\sqrt{7}$

$length=-1+\sqrt{7}+2$

$length=1+\sqrt{7}$

Approximate dimensions:

$width=1.64575ft$

$length=1.64575+2$

$length=3.64575ft$

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Step-by-step explanation:

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