Math, asked by rohit9479, 1 year ago

if (0.4z-3)= -75. find the value of
z (1.5z+9)

Answers

Answered by vivo1726
5

0.4z-3 = -75

0.4z = -75+3

0.4z = -72

z = -72/4/10 = -72x10/4 = -720/4 = -180....

z(1.5z+9)=

-180(1.5x -180+9)= -180(-270+9) = -180(-261) = 46980.......

Answered by aniket2344433345234
2

Step-by-step explanation:

0.4z-3=-75

0.4z=-75+3

0.4z=-72

z(1.5z)=

-180(1.5x-180+9)=-180(-270+9)=

-180(-126)

=46980

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