1【题目】It is given that z varies directly as and inversely as I. If y is decreased by 64% and z is increased by25%.then x().已知z随正变化且随y反变.若y减少64%且z增加25%则z().A. is increased by 20%增加20%B. is increased by 80%增加80%C. is decreased by 25%减 ∵25%D...
所以y=k*m/(n^2) 已知y=8 when m=16 and n=1 所以k=0.5那么当m=8,n=4时代入上式解出y=0.25结果一 题目 If y varies directly as m and inversely as the square of n,and if y=8 when m=16 and n=1,then what is the value of y when m=8 and n=4?A 0.125B 0.25C 0.5D 1E ...
2It is given that z varies directly as √x and inversely as y. If x is decreased by 36% and y is increased by 60%. Then z( ).已知z随√x正变且随y反变.若x减少36%且y增加60%,则z( ).A.is increased by 24%增加24%B.is increased by 28%增加28%C.is decreased by 40%减少40%...
百度试题 结果1 题目z varies directly as x and inversely as y, and z=6 when x=3 and y=4. What is the value of z when x=\ 5 and 10? () A. z=2 B. z=4 C. z=6 D. z=8 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
结果1 题目 w varies directly as x and y and inversely as v^2 and w=1200 when x=4, y=9 and v=6. Find w when x=3, y=12 and v=9. ( ) A. w=4800 B. w=1600 C. w=(1600)3 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
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?Wrie your answe in the form A or , where A and B ae constants or varabl expressions.Submit 相关知识点: 试题来源: 解析 22/x 2=(...
【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 ...
结果1 题目 Suppose z varies directly with x and inversely with the square of y. If z=20 when x=5 and y=1, what is z when z=12 and y=6?z=() 相关知识点: 试题来源: 解析 霜秋露春stseugeikcahononeug2OiS啼恰恰鹰娇在自sonaug. 反馈 收藏 ...
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
顾客谁通过收集大市场研究数据在Facebook开发了强的营销存在会是例子,其中以下趋向?[translate] aAn electric current varies directly as the electromotive force and inversely as the resistant. 电流变化直接地作为电动力和相反地作为抗性。[translate]