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Rudik [331]
3 years ago
12

10=x/4-8 . Find for x.

Mathematics
2 answers:
Vanyuwa [196]3 years ago
3 0

Answer:

x=72

Step-by-step explanation:

vitfil [10]3 years ago
3 0

Answer:

x=-40

Step-by-step explanation:

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mote1985 [20]

Answer:

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Step-by-step explanation:

Recall the formula for the sine of the double angle:

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cos^2(\theta)+sin^2(\theta)=1\\sin^2(\theta)=1-cos^2(\theta)\\sin(\theta)=\sqrt{1-cos^2(\theta)} \\sin(\theta)=\sqrt{1-(\frac{3}{18} )^2}\\sin(\theta)=\sqrt{1-\frac{9}{324} }\\sin(\theta)=\sqrt{\frac{324-9}{324} }\\sin(\theta)=\sqrt{\frac{315}{324} }\\\\sin(\theta)=\frac{3}{18}\sqrt{35 }

With this information, we can now complete the value of the sine of the double angle requested:

sin(2\theta)=2*sin(\theta)*cos(\theta)\\sin(2\theta)=2*\frac{3}{18} \,\sqrt{35} \,\frac{3}{18}\\sin(2\theta)=\frac{2*3*3}{18*18}\,\sqrt{35} \\sin(2\theta)=\frac{\sqrt{35} }{18}

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<u><em>Have a Great Day/Night</em></u>

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