3 years ago

Evaluate 12-x for x=5. O 12 7 O 17

Mathematics

1 answer:

bezimeni [28]3 years ago

3 0

Answer:

Step-by-step explanation:

12-x

Let x = 5

12-5

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Step-by-step explanation:

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3 years ago

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Answer:

Step-by-step explanation:

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3 years ago

What equation results from completing the square and then factoring? x^2+22x=31 A.(x+22)^2=53 B.(x+22)^2=152 C.(x+11)^2=152 D.(x

Paladinen [302]

Answer:

$\boxed{\mathrm{Option \ C}}$

Step-by-step explanation:

=> $x^2+22x = 31$

=> $(x)^2+2(x)(11) = 31$

Since b = 11 , So $(11)^2$ needs to be added to both sides

Adding $(11)^2$ to both sides

=> $(x)^2+2(x)(11)+(11)^2 = 31+(11)^2$

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3 years ago