3 years ago

12= z-11 9= 8z+5 Plz explain

1 answer:

3 0

12=z-11
+11. +11
23=z

9=8z+5
-5. -5
4=8z
.5 or 1/2= z

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$\huge \boxed{ \boxed{ \red{{s \approx \: 10.47}}}}$

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<h3>to understand this</h3><h3>you need to know about:</h3>

<h3>tips and formulas:</h3>

<h3>given:</h3>

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$\sf sustitute \: the \: value s \: of \: \theta \: and \: r : \\ =\frac{\pi \times 10 \times 60}{180}$
$\sf rediuce \: 60 : \\ =\frac{\pi \times 10 \times \cancel{60} \: ^{1} }{ \cancel{180} \: \:^{3} } \\ =\frac{\pi \times 10}{3}$
$\sf use \: 3.14 \: for \: \pi : \\ = \frac{3.14 \times 10}{3}$
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