Answer:
Step-by-step explanation:
3(7t - 5) - 2t = 4
3*7t - 3*5 - 2t = 4
21t - 15 - 2t = 4 {combine like terms}
21t - 2t - 15 = 4
19t - 15 = 4 {Add 15 to both sides}
19t = 4 + 15
19t = 19 {Divide both sides by 19}
t = 19/19
t = 1
4x² - 49y² = (2x)² - (7y)² = (2x - 7)(2x + 7)
Answer:
i don't know
Step-by-step explanation:
a)All points on one line are at the same Collinear points to the other line.
b)The distance between the two lines is called the perpendicular lines.
