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leva [86]
2 years ago
6

HELPPPPPPPPPPPPPPPPPPP!

Mathematics
1 answer:
AlekseyPX2 years ago
7 0

Answer: Real, equal, rational.

Step-by-step explanation:

-x^2-8x-16=0\\-(x^2+8x+16)=0\\Multiply \ the\  left \ and\  right \ sides\  of\  the\  equation\  by \ -1:\\x^2+8x+16=0\\x^2+2*x*4+4^2=0\\(x+4)^2=0\\x+4=0\\x=-4.

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NISA [10]
So.. hmmm if we take "x" to be the 100% sale price before tax, $76 is really 9.5% of that

thus \bf \begin{array}{ccllll}
amount&\%\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
76&9.5\\
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\end{array}\implies \cfrac{76}{x}=\cfrac{9.5}{100}

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Darya [45]

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4 0
3 years ago
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allsm [11]
The correct answer is the first one.

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Step-by-step explanation:

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