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Nana76 [90]
3 years ago
5

Y = 2x + 4

Mathematics
2 answers:
horrorfan [7]3 years ago
8 0

Answer:

No solution

Step-by-step explanation:

substitute in:

2x - (2x+4)=6

expand brackets:

2x - 2x +4=6

simplify:

4=6

therefore there is no solution as the 2x cancels out leaving no x to solve

hope this helps!

victus00 [196]3 years ago
5 0

Answer: no solution

Step-by-step explanation:

idk ask someone who is smart.......

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Should the minimum wage be increased?
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The best answer is C

Step-by-step explanation:

A is not correct because the total amount of people that participated is 300

B is no correct because the 75% would be more than 20

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8 0
3 years ago
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If x>2, then x^2-x-6/x^2-4=
Viefleur [7K]
Consider the expression \frac{x^{2} -x-6}{ x^{2} -4}

To factorize the expression in the denominator we use difference of squares: x^{2} -4=x^{2} - 2^{2} =(x-2)(x+2)

To factorize x^{2} -x-6 we use the following method:

x^{2} -x-6=(x-a)(x-b)

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and a*b= -6, the constant.

such 2 numbers can be easily checked to be -3 and 2

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 \frac{x^{2} -x-6}{ x^{2} -4}= \frac{(x+3)(x-2)}{(x-2)(x+2)}= \frac{x+3}{x+2}


\frac{x+3}{x+2}= \frac{x+2+1}{x+2}= \frac{x+2}{x+2}+ \frac{1}{x+2}=1+ \frac{1}{x+2}

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for x>2, 

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Answer: 

for x>2

\frac{x^{2} -x-6}{ x^{2} -4} =  \frac{x+3}{x+2} \ \textless \  \frac{5}{4}, (but the expression is never 0)
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Answer:

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Step-by-step explanation:

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