U is jointly proportional to V and W.Let k be the constant propor_英语解答

U is jointly proportional to V and W.Let k be the constant proportionality.
= 不大明白他在说什么球翻译!
咩贴全 If U = 2 when V = 5 and W = 4,find the value of k.

人气：247 ℃　时间：2020-05-20 19:59:57

解答

呃不太会用中文解释大概就是 U= K(VxW)
U 是跟V W有关的 K是常数比例反正就是公式那样的
然后就是2=4x5xk=20k 所以k=0.1