x和y成反比
结果1 题目 If the square of x varies inversely with the cube root of the square of y, and y= 8 when x=12, then what is the value of x when y=12? () A. 0.630 B. 1 C. 1.587 D. 1.260 E. 8 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
百度试题 结果1 题目Ifx varies inversely asy, andx=4 wheny=8, findx wheny=1. 相关知识点: 试题来源: 解析 32 32 反馈 收藏
(b) If x is decreased by 18%, find the percentage change in y, correct to 3 significant figures. 相关知识点: 试题来源: 解析 k=12048.7%结果一 题目 【题目】It is given that x varies inversely as the square root of y, where y0 . When y=64, x=15.(a)Find an equation connecting...
百度试题 结果1 题目【题目】If , varies inversely with and directly with s, and x=4 and z=8, when y=10, what is the value of x+z when y=20?()A.6B.12C.16D.18E.24 相关知识点: 试题来源: 解析 【解析】D 反馈 收藏
Find y when x=15 View Solution Give that 'x' varies inversely as 'y' and when x=3,y=30, find i) y when x=2 ii) x when y=10 View Solution The value of y varies directly with x ,and y=12 when x=10 .Find y when x=25 View Solution ...
Suppose that y varies inversely with x and that y = 2 when x = 8. What is the equation for the inverse variation? Suppose that y varies inversely with x, and y= 0.2 when x= 2. What is an equation for the inverse variation?
Question: Suppose that y varies inversely with x, and y=2 when x=6.(a) Write an inverse variation equation that relates x and y.Equation:(b) Find y when x=3.y= Equation: (b)Findywhenx= y=
【题目】It is given that y varies inversely as vx Whenx=144.,y=81.已知y随√x反变.当x=144时,y=81.(1)Express y in terms of x.以x表y.(2)If the valueof x is increased from 144 to 324,find the change in the value of y.若x的值由144增加至324,求y的值的改变. ...
【题目】The quantity z varies directly with y and inversely with x When y = -1 and x = -7, z = 1.What is the value of k, the constant of variation?Wrt your answe nthefrm A or, whereA and B ar constant or vaiableexpressions.Submit ...