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3 years ago

6

Simplify completely the quantity 8 times x to the third power plus 6 times x to the 2nd power minus 4 times x all over negative

2 times x. −4x2 − 3x + 2 −4x2 + 3x + 2 4x4 + 3x3 − 2x2 4x2 + 6x2 − 4x

2 answers:

Kamila [148]3 years ago

8 0

<span>Your answer is -4x^2 - 3x + 2 </span>

tamaranim1 [39]3 years ago

4 0

Answer:

-4x^2 - 3x + 2

-by-step explanation:

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A rug is to be centered in a room so that the border around it is of a consistent width on all four sides. If the room is 10 ft

aleksley [76]

Answer:

The width of the border can be 9 feet or 3.5 feet.

Step-by-step explanation:

Let the width be x

Length of room = 10 feet

Breadth of room = 15 feet

Length of rug = 10-2x

Breadth of rug = 15-2x

Area of rug = $(10-2x)(15-2x)$

We are given that the area of the rug is 24 square feet.

So, $(10-2x)(15-2x)=24$ ---A

$150-20x-30x+4x^2=24$

$150-24-50x+4x^2=0$

$126-50x+4x^2=0$

$2(x-9)(2x-7)=0$

$x=9,\frac{7}{2}$

$x=9,3.5$

Substitute x =9 in A

$(10-2(9))(15-2(9))=24$

$24=24$

LHS = RHS

Substitute x = 3.5

$(10-2(3.5))(15-2(3.5))=24$

$24=24$

LHS = RHS

So, The width of the border can be 9 feet or 3.5 feet.

7 0

3 years ago

What is the value of the product of -20/48 times 6 in simplified form

KATRIN_1 [288]

-20/48 x 6 = $\frac{-20}{48}$ x $\frac{6}{1}$

I would cancel out the 6 in the numerator and the 48 in the denominator
Now I have <u /> $\frac{-20}{8}$ or <u /> $\frac{-5}{2}$ reduced.

-5 ÷ 2 = -2 1/2 and that is the answer in simplest form

8 0

2 years ago

Instructions:Select the correct answer. What is the general form of the equation of the given circle with center A? x2 + y2 + 6x

forsale [732]

Its the third one hope this helps

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3 years ago

Read 2 more answers

What is −183 ? Group of answer choices

vitfil [10]

Answer:

it is b because I did the problem yes it is b

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2 years ago

An artist creates a right prism whose base are regular pentagons. He wants to paints the lateral surfaces of the prism. One can

Usimov [2.4K]

He needs 13 cans of paint.

The lateral area is given by the area of 5 rectangles, whose dimensions are 15 by 5:
5(15)(5) = 375

Divide this by 30:
375/30 = 12.5 ≈ 13

6 0

2 years ago