Asked by Riliwan

If x is jointly proportional to the cube of y and the fourth power of z. In what ratio is x increased or decreased when y is halved and z is doubled?
Answered by bobpursley
what is ...
(1/2)^3 * (2)^4
Answered by paul
x1=ky¹ z⁴ x2 = k(y/2)³ (2z)⁴
Xx= 2k y³z⁴
x²=2y³z⁴ = 2 x²:x¹=2:1
x¹ y³z⁴ 1
ans:2:1
Answered by Jeanne cyrille braceros
V varies directly as E.if j=4 then E=225
Answered by Maxpein05
x is jointly proportional to the cube of y and inversely to the square of z
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