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Speed of train = 54 km/hr = 54 × (5 / 18) = 15 m / sec If the length of bridge be x metre, then ⇒ 15 = (200 + x)/40 ⇒ 200 + x = 600 ⇒ x = 600 – 200 = 400 metre
Find the coordinates of the centroid of the triangle with vertices A(1, 2), B(4, 6), and C(7, 8).
A line passes through the point (4, 3) and is perpendicular to the line 3x + 4y = 12. Find the equation of the new line.
Solve: ∫[2x/(x4+1)] dx
The minute hand of a watch is 2 cm long. How far does its tip move in 45 minutes? (use π = 3.14)
Find the area of the triangle formed by the points A(2, 3), B(-1, -4), and C(5, -2).
Find the Perpendicular distance between two lines
6x + 8y = 18, 12x + 16y =20
Find the equation of the line passing through the points (1, 2) and (3, 8).
The slope of the equation 24x+8y=56 is