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Brums [2.3K]
2 years ago
6

Solve for z.

Mathematics
2 answers:
PtichkaEL [24]2 years ago
7 0

Answer:

value of z = 2

Step-by-step explanation:

here's the solution :-

=》

{z}^{3}  - 8 = 0

=》

{z}^{3}  = 8

=》

z =   \sqrt[3]{8}

=》

z =  \sqrt[3]{2 \times 2 \times 2}

=》

z = 2

DerKrebs [107]2 years ago
7 0

\huge\text{Hey there!}

\mathsf{z^3 - 8 = 0}\\\text{ADD 8 to BOTH SIDES}\\\mathsf{z^3 - 8 + 8 = 0 + 8}\\\text{Cancel\ out: -8 + 8 because  that gives you 0}\\\text{Keep: 0 + 8 because it gives 8 and we need that to solve for your z value}\\\mathsf{z^3=8}\\\text{TAKE the CUBE ROOT}\\\mathsf{z = 8{^(\dfrac{1}{3})}}\\\\\text{SIMPLIFY the EQUATION above and you have your z value}\uparrow\\\\\boxed{\boxed{\large\text{Answer: \bf z = 2}}}\huge\checkmark

\textsf{Good luck on your assignment and enjoy your day!}

~\frak{Amphitrite1040:)}

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see the explanation

Step-by-step explanation:

<u><em>The picture of the question in the attached figure</em></u>

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form k=\frac{y}{x} or y=kx

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