3 years ago

Please answer it as fast as u can

Mathematics

1 answer:

Vadim26 [7]3 years ago

7 0

Answer:

Am I missing something to this question?

As pictured, the answer is 12 7/9ths.

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zloy xaker [14]

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Step-by-step explanation:

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30x+20y=920

30(x+y=40) ; 30x+30y=1200___[1]

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[1]-[2] : 30x+30y-30x-20y=1200-920

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3 years ago

Subtract the rational expression 1/x^2-x-6 - x/x+2.

Aleksandr [31]

Answer:

Step-by-step explanation:

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$= \frac{1}{(x+2)(x-3)}-\frac{x(x-3)}{(x+2)(x-3)}\\\\=\frac{1-x(x-3)}{(x+2)(x-3)}\\\\=\frac{1-x^{2}+3x}{(x+2)(x-3)}\\\\$

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3 years ago

Please answer it as fast as u can ​

Please answer it as fast as u can