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notka56 [123]
2 years ago
5

There are 3 consecutive integers. If the smallest one is n, find the sum of 3 integers.

Mathematics
1 answer:
Dvinal [7]2 years ago
5 0

Answer:

<h3>            3n + 3</h3>

Step-by-step explanation:

The consecutive integers are increasing by 1

n ← the smallest integer

n+1 ← the middle integer

n+1+1 = n+2   ← the largest integer

The sum:

S = n + n+1 + n+2

S = 3n + 3

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Which of the following is the product of the rational expressions shown below? 7x/x-4•x/x+7
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<h2>The product of the rational expressions\dfrac{7x}{x-4}.\dfrac{x}{x+7} = \dfrac{7x^2}{x^2+3x-28}.</h2>

Step-by-step explanation:

We have,

\dfrac{7x}{x-4}.\dfrac{x}{x+7}

To find, the product of the rational expressions \dfrac{7x}{x-4}.\dfrac{x}{x+7} = ?

∴ \dfrac{7x}{x-4}.\dfrac{x}{x+7}

= \dfrac{7x.x}{(x-4)(x+7)}

= \dfrac{7x^2}{(x(x+7)-4(x+7)}

= \dfrac{7x^2}{x^2+7x-4x-28}

= \dfrac{7x^2}{x^2+3x-28}

Thus, the product of the rational expressions \dfrac{7x}{x-4}.\dfrac{x}{x+7} = \dfrac{7x^2}{x^2+3x-28}.

7 0
3 years ago
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asambeis [7]
When you put money in the bank and then go to the store and write a check for that exact amount.
5 0
3 years ago
What is the squareroot of 343
Papessa [141]

Well, first of all, every positive number has two square roots.
Their digits are the same, but one is positive and one is negative.

The square root of 343 is an irrational number, so it can't ever be
exactly written with digits.  As a decimal, it never ends or repeats,
and as a fraction, it can't be written at all.

The positive square root starts out  18.52025...  and keeps going forever.

The other square root is the negative of that same number.
When you multiply either of them by itself, the product is close
to 343 .  The more decimal places you include, the closer it gets,
but it can never be exactly 343 . 

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3 years ago
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Step-by-step explanation:

AB=BC

8x+6=6x+18

2x=12

x=6

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AB= 48+6=54cm

BC=36+18=54cm

AD=CD

8y+20=12y-8

-4y=-28

y=7

so

AD= 84-8=76cm

CD=56+20=76cm

AE=2x+4y

AE=2×6+4×7

AE=40cm

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5 0
2 years ago
I need to find out what is the meaning of a slope ?
mel-nik [20]

Answer:

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Step-by-step explanation:

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3 years ago
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