The sample size needed to estimate the difference between two population proportions to within a margin of error E with a confidence level of 1- alpha can be found by using the equation shown below. Replace n1 and n2 by n and solve for n. E= z alpha/2 square root p1q1/n1 + p2q...
Mario, a hockey player, is skating due south at a speed of 6.6 m/s relative to the ice. A teammate passes the puck to him. The puck has a speed of 12.9 m/s and is moving in a direction of 23° west of south, relative to the ice. What are the magnitude and direction (relativ...
To fill square that was 2 feet by 2 feet .what was the area of concrete poured?
Can someone help me proofread this? Industrial Inventors The Industrial Revolution began in England in the 18th century and ended in the 19th century. It began in England and then spread throughout the world. There were many changes in agriculture, trade and transport during t...
why(0.85/0.145) if mx/my = vy/vx...mx = my(0.145/0.85) i have that doubt
owen is 147.3 cm tall. what is owen's height as a mixed number. what is owen's height as an improper fraction.
5th Grade Math
A 0.75 kg mass of copper changes temperature from 145.0 C to 46.0 C. How much heat was exchanged in Joules? Did the heat flow into the copper or out of the copper?