Hi guys, i'm new here and i'm not english native, so my math english could be bad, anyway, my question refers to this pic. why if i choose to put t=5x i have to put 1/sqrt(5) outside the integral? i can't understand this for your answer

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?

Aci is desired for the true average stray-load loss μ (watts) for a certain type of induction motor when the line current is held at 10 amps for a speed of 1500 rpm. assume that stray-load loss is normally distributed with σ = 2.3. (round your answers to two decimal places.)