3 years ago

Please help with number 21 look at the picture

Mathematics

1 answer:

shutvik [7]3 years ago

6 0

Check the picture below.

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Hep me please and thx u

zubka84 [21]

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Step-by-step explanation:

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3 years ago

Read 2 more answers

How do you solve cos((π/6)x)=0

zlopas [31]

$\bf cos\left( \frac{\pi }{6}x \right)=0\implies cos^{-1}\left[ cos\left( \frac{\pi }{6}x \right) \right]=cos^{-1}(0)
\\\\\\
\cfrac{\pi x}{6}=cos^{-1}(0)\implies \cfrac{\pi x}{6}=
\begin{cases}
\frac{\pi }{2}\\\\
\frac{3\pi }{2}
\end{cases}\\\\
-------------------------------$

$\bf \cfrac{\pi x}{6}=\cfrac{\pi }{2}\implies \pi x=\cfrac{6\pi }{2}\implies x=\cfrac{6\pi }{2\pi }
\implies \measuredangle x=\stackrel{radians}{3}\\\\
-------------------------------\\\\
\cfrac{\pi x}{6}=\cfrac{3\pi }{2}\implies\pi x=\cfrac{18\pi }{2}\implies x=\cfrac{18\pi }{2\pi }\implies \measuredangle x=\stackrel{radians}{9}$

7 0

4 years ago

Find the area of the shaded region in terms of x.

Tju [1.3M]

Answer:

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Step-by-step explanation:

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3 years ago

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Step-by-step explanation:

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11a – 4(a + 2) < 8a + 10

kirill115 [55]

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Step-by-step explanation:

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