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OpenStudy (anonymous):

Which equation represents the line perpendicular to the line x + 2y = 12? A. y = -2x – 9 B. y = (1/2)x + 6 C. 2x – y = -3 D. 2x + 4y = 7

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OpenStudy (anonymous):

C. because a perpendicular slope is the negative reciprocal. The slope of the first line is -1/2 while the slope of line C is 2.

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

You're welcome

OpenStudy (anonymous):

Find the 34th term of the arithmetic sequence: an = 5 + (n – 1)(-10). how about this?

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