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Mathematics

1 answer:

kvv77 [185]3 years ago

5 0

Answer:

if the two angles/two segments are supposed to be set = to each other, then

3y=6y-12

-3y=-12

y=4

7x+5=5x+9

2x=4

x=2

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Find the vertex of f(x)= 0.25|x-3|

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3 years ago

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Anna11 [10]

Answer:

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Step-by-step explanation:

$\csc\theta=\dfrac{1}{\sin\theta}\\\\\cos\theta=-\dfrac{1}{8}\qquad\text{use}\ \sin^2\theta+\cos^2\theta=1\\\\\sin^2\theta+\left(-\dfrac{1}{8}\right)^2=1\\\\\sin^2\theta+\dfrac{1}{64}=1\qquad\text{subtract}\ \dfrac{1}{64}\ \text{from both sides}\\\\\sin^2\theta=\dfrac{64}{64}-\dfrac{1}{64}\\\\\sin^2\theta=\dfrac{63}{64}\to\sin\theta=\pm\sqrt{\dfrac{63}{64}}\\\\180^o$