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3 years ago

PLEASE HELP

Mathematics

1 answer:

Readme [11.4K]3 years ago

5 0

Answer:

x=5

Step-by-step explanation:

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Naya [18.7K]

U^2 + 2 (u) (5/2) + 25/4 = (u +5/2)^2

answer is B. 25/4

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3 years ago

What is the product?

grin007 [14]

$(6r-1)(-8r-3)=6r(-8r-3)-1(-8r-3) \\ =-48 r^{2} -18r+8r+3 \\ =-48 r^{2} -10r+3$

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3 years ago

The length of a rectangle is 4 centimeters more than twice its width of the perimeter of the rectangle is 86centimeters find the

lana66690 [7]

Answer:

$Width= 13 cm$

$length=30cm$

Step-by-step explanation:

Let the length of the rectangle be 'L'

And the width of the rectangle be 'W'

$Perimeter= 86 cm$

According to the statement:

$Length= 2*Width+4\\L=2W+4$

Perimeter of a rectangle= 2(Length+Width)

$86=2(2W+4+W)\\86/2=3W+4\\43=3W+4\\3W=43-4\\3W=39\\W=39/3\\W=13 cm\\\\Length(L)=2W+4\\=2(13)+4=26+4=30 cm\\Length=30 cm$

$Width= 13 cm$

$length=30cm$

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3 years ago

-5.8c+4.2-3.1+1.4c−5.8c+4.2−3.1+1.4c

Snowcat [4.5K]

Answer:

-10.2c + 2.2

Step-by-step explanation:

To make things less complicated, write down everything separate from the other. Then group together the intercepts and the coefficients into separate groups. After that, add them up separately in a format to where it will look like basic addition.

Hope this helps. I also apologize for any errors.

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3 years ago

Start with the following statement: Vertical angles are congruent. a.State the conditional and three other forms of the statemen

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There are three kinds of statement that we could construct base on the given where as Vertical angels are congruent. First is converse: If angle 1 is 90 degree then angle 2 is 90. Second is Inverse: If angle 2 is not 90 then angle 1 is not. Third is Contrapositive: If angle 2 is not 90 then angle 1 is not 90 also.

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3 years ago