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KonstantinChe [14]
3 years ago
9

Write 0.126126126... as a fraction​

Mathematics
1 answer:
Alchen [17]3 years ago
4 0

Answer:

x = 126/999

Step-by-step explanation:

Let x = .126126126 repeating

Multiply each side by 1000

1000x = 126.126126126 repeating

subtract the first equation from the second

1000x = 126.126126126 repeating

- x = .126126126 repeating

999x = 126

Divide each side by 999

999x/999 = 126/999

x = 126/999

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explain and illustrate what of means when you find a fraction of another number. what operation do you use when you find parts o
Keith_Richards [23]
Its called equivalent fractions when you have a whole fraction
7 0
3 years ago
Let \[f(x) = \frac{3x - 7}{x + 1}.\]find the range of $f$. give your answer as an interval.
ra1l [238]
Hello :
let : y=  \frac{3x-7}{x+1}
calculate : x ......x <span>≠ -1 
</span>y(x+1) = 3x-7
yx+y =3x-7
yx-3x = -y-7
x(y-3) = -7-y
x =  \frac{y+7}{3-y}
the inverse function is : g(x) =  \frac{x+7}{3-x}
domain of : g  is the range of : f
as an interval : ]-∞: 3 <span>[</span>U ]3;+∞[

7 0
3 years ago
Simplify. (-6x^2 + 2y - 1) + (2x^2-5y + 3) A) -4x^2 + 3y -2 B) -4x^2 - 3y - 2 C) -4x^2 + 3y +2 D) -4x^2 -3y +2
Rasek [7]

Combine like terms

-6x^2+2y + -1 +2x^2 + -5y +3

( -6x^2+2x^2)+(2y-5y)+(-1+3)

= -4x^2+3y+2

Answer : C


I hope that's help !


4 0
3 years ago
How many tenths make up 4 wholes?<br>​
NikAS [45]

Divide 4 by 1/10.

So, 4 ÷ 1/10 becomes 4 x 10/1.

We know that 4 x 10/1 = 40/1 = 40.

Did you follow?

6 0
3 years ago
Read 2 more answers
In quadratic formula
lorasvet [3.4K]

x² - x - 12 = 0


x = \dfrac{-b \pm \sqrt{b^{2} - 4ac}}{2a}


a = 1, b = -1, c = -12

x = \dfrac{1 \pm \sqrt{(-1)^{2} - 4(1)(-12)}}{2(1)}


x = 4 or -3


Answer: 4 or -3

4 0
3 years ago
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