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SVEN [57.7K]
3 years ago
6

HELP ASAP ILL GIVE YOU BRAINLEST

Mathematics
1 answer:
bezimeni [28]3 years ago
4 0

Answer: C. f(x)=x^2+16x+63

 

Step-by-step explanation:

Vertex=(8,-1)

Focus=(8,-3/4)

Axis of Symmertry= x=8

Directrix= y=-5/4

I hope this helps you!

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Dafna11 [192]

Answer:

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Step-by-step explanation:

So, let us first fill in the gap in the question below. Note that the capitalized words are the words to be filled in the gap and the ones in brackets too.

"An elementary ntimesn scaling matrix with k on the diagonal is the same as the ntimesn identity matrix with EXACTLY ONE of the (0's) replaced with some number k. This means it is TRIANGULAR MATRIX, and so its determinant is the PRODUCT of its diagonal entries.​ Thus, the determinant of an elementary scaling matrix with k on the diagonal is (1).

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Two race cars,car x an y,are at the starting point of a two km track at the same time.car x and car y make one lap every 60 s an
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Answer is attached.

Please check the image.

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