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4 years ago

Solve the following inequality 2(x + 1) - (-x + 5)

Mathematics

2 answers:

nika2105 [10]4 years ago

3 0

Answer:

3x-3

Step-by-step explanation:

Mandarinka [93]4 years ago

3 0

we can simplify the expression

it is not an inequality because there is not greater than or less than symbol

2(x + 1) - (-x + 5)

distribute

2x+2 - -x -5

2x +2 +x -5

3x -3

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A dog trainer has 104 ft of fencing that will be use to create a rectangular work area for dogs. If the trainer wants to enclose

Andrews [41]

Answer:

The dimensions of the work area are 16 ft by 36 ft

Step-by-step explanation:

Let

x ----> the length of the work area in feet

y-----> the width of the work area in feet

we know that

The perimeter of the work area is equal to

$104=2(x+y)$

simplify

$52=(x+y)$

$y=52-x$ ----> equation A

The area of the work area is equal to

$576=xy$ ---> equation B

substitute equation A in equation B

$576=x(52-x)$

$576=52x-x^2$

$x^2-52x+576=0$

solve the quadratic equation by graphing

using a graphing tool

The solutions are

x=16 ft, y=36 ft

x=36 ft, y=16 ft

see the attached figure

therefore

The dimensions of the work area are 16 ft by 36 ft

6 0

3 years ago

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boyakko [2]

Answer:

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Step-by-step explanation:

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2 years ago

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Answer:

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Step-by-step explanation:

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tangare [24]

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Step-by-step explanation:

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alexdok [17]

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Step-by-step explanation:

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