Un mueble de 80 kg que se desliza sobre una superficie horizontal es jalado por una persona con una fuerza de 180 N a 40 grados con la horizontal. Calcula la aceleracion del objeto si el coeficiente de friccion cinetica es de 0.15.

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Which point is a solution to y s 4x + 5?

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.