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ale4655 [162]
3 years ago
12

I need to know how to solve it

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
3 0
All you need to do is plug in the value for x and solve.

for 15:

(3 + 1)/6 = 4/6 = 2/3

for 19

(x^3)/2 + 1 = (3^3)/2 + 2/2 = 21/2 + 2/2 = 23/2
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7 0
3 years ago
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There is an infinite number of lines perpendicular to any given line. You concluded correctly that the two lines in this problem are perpendicular based on the fact that their slopes are negative reciprocals. The second line, y = -3/5 x + 9, is only one line that is perpendicular to the first line. There is an infinite number of lines perpendicular to the first line. All the perpendicular lines have the slope -3/5 and different y-intercepts. The +9 here is just the y-intercept of this specific perpendicular line. Since there is an infinite number of y-intercepts, there is an infinite number of perpendiculars.
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4 years ago
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