Angelo Taracena asked 7/16/2015 Need help solving this problem An AC voltage is expressed as 240 cos(2765t - 45°)? wavelength average voltage(full cycle) period frequency (in Hz phase shift phase angle angular velocity
Firstname Refreshme lastname asked 7/15/2015 When people mention " algorithms ", what are they talking about?
Firstname Refreshme lastname asked 7/10/2015 How many times around 3 acres (walking the perimeter) until I've walked a mile?
Anonymous asked 7/7/2015 In a shop there are 3 clocks which chime at intervals of 15 min, 20 min, & 30 min respectively. They all chime together at 10 am. At what time will they all chime together again?
Anonymous asked 7/5/2015 You toss a 6-sided number cube and a coin at the same time. How many possible outcomes are there?
bob evans asked 7/4/2015 Why does the square root function have a limited domain but the cube root function does not?
Anonymous asked 6/23/2015 A certain preparation requires liquids X, Y, and Z in the proportion 5:2:1. How many gallons of the preparation can be made from 25 gallons of X, 20 gallons of Y, and 8 gallons of Z?
Anonymous asked 6/18/2015 True or false: Suppose the straight lines represented by a system of two linear equations in two variables are parallel to each other. Then the system has infinitely many solutions?
Anonymous asked 6/18/2015 What are some examples of when you have seen or heard statistics used inappropriately?