Una escalera de 65 dm de longitud está apoyada sobre la pared. ¿A qué distancia de la pared habrá que colocar el pie de esta misma escalera para que la parte superior se apoye en la pared a una altura de 52 dm?

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

Abcd ≅ klmn ≅ pqrs ≅ wxyz given that information, which figures are reflections of abcd?

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?