Questions Asked on February 26, 2022

I have a formula for sales of homes that decreases from 2005 to 2010 shown through r(t)=412e^(-0.323... Asked on February 26, 2022 at 12:23 AM Assume that x and y are functions of t and x^2+2xy=5. If dx/dt=-3 when x=-1, find dy/dt Asked on February 26, 2022 at 1:07 AM Please look up the density of all purpose flour, in g/mL. Enter the value, to two decimal places, in... Asked on February 26, 2022 at 2:15 AM How do simple machines make work easier? Asked on February 26, 2022 at 3:59 AM A person is lifting a heavy box using a lever. What is the purpose of the lever in this situation? Asked on February 26, 2022 at 4:00 AM In which situation did the car achieve the greatest efficiency? (Assume the cars all have the same m... Asked on February 26, 2022 at 4:02 AM Which machine has the highest efficiency? machine/ output work (j)/ input work (j) A... Asked on February 26, 2022 at 4:05 AM How does a pulley make work easier when it is used to lift an object? It reduces the weight of th... Asked on February 26, 2022 at 4:07 AM A certain lever system is only 30% efficient. What could make it more efficient? Make a longer l... Asked on February 26, 2022 at 4:08 AM What is the efficiency of a ramp if 2,000 joules of energy results in 1,200 joules of work? 60%**... Asked on February 26, 2022 at 4:09 AM