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Murrr4er [49]
2 years ago
13

Make g the subject of the formula

title="w = 7 - \sqrt{g} " alt="w = 7 - \sqrt{g} " align="absmiddle" class="latex-formula">
Mathematics
2 answers:
Firdavs [7]2 years ago
6 0
\text{The domain:}\\\\g\geq0\\\\7-\sqrt{g}=w\ \ \ |-7\\\\-\sqrt{g}=w-7\ \ \ |\text{change the signs}\\\\\sqrt{g}=-w+7\\\\\sqrt{g}=7-w\ \ \ \ |^2\\\\(\sqrt{g})^2=(7-w)^2\\\\\boxed{g=(7-w)^2}
\text{Use:}\\(a-b)^2=a^2-2ab+b^2\\\\(7-w)^2=7^2-2\cdot7\cdot w+w^2=49-14w+w^2\\\\\boxed{Answer:\ g=49-14w+w^2}

sasho [114]2 years ago
4 0
w=7- \sqrt{g} \ \ \Rightarrow \ \  \sqrt{g}  =7-w\ \ \Rightarrow \ \ \boxed{g  =(7-w)^2 }
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