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OpenStudy (anonymous):
Pre-Calculus and Trigonometry. PLEASE HELP AND EXPLAIN!! What is the sum of the two vectors (-1, -4) and (3, 5)? A. (-3, -20) B. (-5, 8) C. (0, 1) D. (2, 1)
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OpenStudy (anonymous):
Add the horizontals, then add the verticals
OpenStudy (anonymous):
D? @peachpi
OpenStudy (anonymous):
yes
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