Question

What is the value of the expression if z = 27? StartFraction 7 over 9 EndFraction z minus 18 + one-third z

Answer 1

Answer:

The value of the given expression when z=27 is 16

Therefore $\frac{7}{9}(z-18)+\frac{1}{3}z=16$ when z=27

Step-by-step explanation:

Given expression is $\frac{7}{9}(z-18)+\frac{1}{3}z$

To find the value of the expression when z=27 :

First simplify the given expression

$\frac{7}{9}(z-18)+\frac{1}{3}z$

$=\frac{7(z-18)}{9}+\frac{1}{3}z$

$=\frac{7z-126}{9}+\frac{1}{3}z$

$=\frac{7z-126+3z}{9}$

$=\frac{7z-126+3z}{9}$

$=\frac{10z-126}{9}$

Put z=27 in the above equation we get

$=\frac{10(27)-126}{9}$

$=\frac{270-126}{9}$

$=\frac{144}{9}$

$=\frac{144}{9}$

$=16$

$\frac{7}{9}(z-18)+\frac{1}{3}z=16$

Therefore the value of the given expression when z=27 is 16

Therefore $\frac{7}{9}(z-18)+\frac{1}{3}z=16$ when z=27

Answer 2

Answer:

Answer is 12

Step-by-step explanation:

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