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3 years ago

10

I need that in standard form

" title="3x + 1 + {2x}^{3} " alt="3x + 1 + {2x}^{3} " align="absmiddle" class="latex-formula">

1 answer:

mezya [45]3 years ago

5 0

Answer: 3
2x + 3x + 1

Hope this helps

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the perimeter of a rectangular floor is 100 feet . Find the dimensions of the floor , if the length is four times the width

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<h3>Answers: </h3>

Width = 10 feet

Length = 40 feet

================================================

Explanation:

W = width

L = 4W = four times the width = length

P = perimeter

P = 2*(W+L)

P = 2*(W+4W)

P = 2(5W)

P = 10W

The perimeter is 100 feet.

P = 100

10W = 100 .... plug in P = 10W

W = 100/10 .... divide both sides by 10

W = 10

The width is 10 feet.

L = 4W

L = 4*10

L = 40

The length is 40 feet.

-----------------

Check:

P = 2(L+W)

P = 2(40+10)

P = 2(50)

P = 100

or another way to check is to add up the four sides {10, 40, 10, 40}

10+40+10+40 = 50+50 = 100

This confirms the answer.

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Answer:

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Step-by-step explanation:

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The total operating cost to run the organic strawberry farm varies directly with its number of acres. What is the constant of va

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Answer:

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Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $k=\frac{y}{x}$ or $y=kx$

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

Let

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y ---> total operating costs

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The linear equation is equal to

$y=27,576x$

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so

For y=$441,216

substitute in the linear equation the value of y and solve for x

$441,216=27,576x$

$x=441,216/27,576$

$x=16\ acres$

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Step-by-step explanation:

before the eliminating

mean = 78.5

median = 77.5

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