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Marianna [84]
3 years ago
6

J— + 7 = -12-2what is the answer​

Mathematics
2 answers:
kogti [31]3 years ago
8 0

Answer:

j=38

Step-by-step explanation:

j

— + 7 = -12

-2

move the (7) to the other side by subtracting,

-12-7= 19

j

—  = -19

-2

continue by moving (-2) to the other side as well, do so by multiplying,

-19*-2= 38

therefore, j=38

blondinia [14]3 years ago
5 0
J= 30

30/-2 + 7=12
——————
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Answer:

40

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0.13 ⟌5.2 (We can move 0.13 over two spots)

13⟌520 (We move the decimal two spots because of previous)

We have

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13⟌520

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Rufina [12.5K]

The expression which is equivalent to the provided expression of variable x is,

\dfrac{1}{1000x^3}

<h3>What is the equivalent expression?</h3>

Equivalent expressions are the expression whose result is equal to the original expression, but the way of representation is different.

The given expression in the problem is,

(10x)-3

Let the equivalent expression of this expression is f(<em>x)</em>. Thus,

f(x)=(10x)^{-3}

The number, with negative power, can be written in the fraction of 1 with the same but positive power or exponent. Therefore,

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Solve it further as,

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Hence, the expression which is equivalent to the provided expression of variable x is,

\dfrac{1}{1000x^3}

Learn more about the equivalent expression here;

brainly.com/question/2972832

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