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2 years ago

Solve d + (-d) A. -2d B. 0 C. d D. 2d

Mathematics

2 answers:

WARRIOR [948]2 years ago

8 0

Answer:

The answer is B. 0

Step-by-step explanation:

If the problem is d + (-d), then the answer is 0. Suppose that d = 7. Then it would be 7 + (-7), which is 0. You can't get any other number from that equation unless you do d + d or d - d.

Hope this helps.

* pleasegive me brainliest, i only need four more *

I am Lyosha [343]2 years ago

6 0

Answer:

B. 0

Step-by-step explanation:

=>d+(-d)

=>d-d

=>0

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The vertices of square RSTV have coordinates R(-1,5), S(-3,1), T(-7,3), and V(-5,7). What is the perimeter of RSTV?

kompoz [17]

The perimeter of square RSTV is: 17.88 units

Further explanation:

As the given figure is a square, all of its sides will be equal. So we have to find one side to find the perimeter.

Given

R(-1,5), S(-3,1), T(-7,3), and V(-5,7)

The distance formula will be used to find the side

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^@}$

Let x be one side of square

$RS=x=\sqrt{(-3-(-1))^2+(1-5)^2}\\=\sqrt{-3+1)^2+(-4)^2}\\=\sqrt(-2)^2+(-4)^2}\\=\sqrt{4+16}\\=\sqrt{20}\\=4.47$

Let P be the perimeter of square

P= 4x

P=4*4.47

=17.88 units

The perimeter of square RSTV is: 17.88 units

Keywords: Perimeter, Distance Formula

Learn more about perimeter at:

#LearnwithBrainly

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2 years ago

What should A and B equal?<br><br> marking brainliest!!

bulgar [2K]

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Calculate the quotient of 54256/45 round to the nearest tenth

vampirchik [111]

Answer:

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Step-by-step explanation:

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Simon has $45.37

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Learn more here: brainly.com/question/20521181

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2 years ago