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gregori [183]
3 years ago
10

PLEASE HELP I WILL MARK!!

Mathematics
1 answer:
Rina8888 [55]3 years ago
8 0

answer is D

Explamation:

given points are (7,9) and (12,11)

mid \: point \: of \: x =  \frac{x1 + x2}{2 }  =  \frac{7 + 12}{2}  = 9.5 \\ midpoint \: of \: y =  \frac{y1 + y2}{2}  =  \frac{9 + 11}{ 2} = 10

therefore the mid point is (9.5,10)

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Answer:

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f(x)=-\frac{9}{x}

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Here, n=-1, so

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Step-by-step explanation:

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