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vitfil [10]
4 years ago
11

What is the value of the rational expression 2x-1/x+5 when x = 0?

Mathematics
1 answer:
Reptile [31]4 years ago
4 0
<span>2x-1/x+5

       2(0) - 1 
= ---------------
         0 + 5

</span>       - 1 
= ----------
         5

answer 
-1/5
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What is the quotient of 5 7 ÷ 5 14 ?
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Answer:

<h2><u>=</u> <u>   57 / 514  </u>    <u>(Decimal: 0.110895)</u></h2>

Step-by-step explanation:

57 / 514

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<u>(Decimal: 0.110895)</u>

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Rewrite the equation as  

x /14 =  5/ 7 .  x/ 14 =  5/ 7

Multiply both sides of the equation by  

14.14  ⋅  x /14 =  14 ⋅ 5 /7

Simplify both sides of the equation.

Tap for fewer steps...

Cancel the common factor of  14 .  

Cancel the common factor.

14 ⋅  x /14 =  14 ⋅ 5 /7

Rewrite the expression.

x = 14 ⋅ 5 /7

Simplify  14 ⋅  5/ 7 .

Cancel the common factor of  7 .

Factor  7  out of  14 .

x = 7 ( 2 ) ⋅ 5/ 7

Cancel the common factor.

x = 7 ⋅  2 ⋅  5/ 7

Rewrite the expression.

x  = 2 ⋅ 5

Multiply  2  by  5 .

<u>x = 10</u>

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