3 years ago

X^2+12x+27/x^2-3x-18 how to solve step by step

Mathematics

1 answer:

Artist 52 [7]3 years ago

8 0

This the answer please give me brainliest answer

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3 years ago

What is the midpoint between 0.03 and 0.04

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3 years ago

YO SOMEBODY HELP PLS IM STUCK

kozerog [31]

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X is less than or equal to -3

Hope that answers your question

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3 years ago

Cos(2theta)=11 sin(theta)-5

lubasha [3.4K]

$\cos2\theta=11\sin\theta-5$
$1-2\sin^2\theta=11\sin\theta-5$
$2\sin^2\theta+11\sin\theta-6=0$
$(2\sin\theta-1)(\sin\theta+6)=0$
$\implies\begin{cases}2\sin\theta-1=0\\\sin\theta+6=0\end{cases}$

The second equation gives $\sin\theta=-6$ , but $-1\le\sin\varphi\le1$ for any real $\varphi$ , so we can ignore this equation.

This leaves us with

$2\sin\theta-1=0\implies \sin\theta=\dfrac12\implies\theta=\dfrac\pi6+2\pi k,\theta=\dfrac{5\pi}6+2\pi k$

where $k$ is any integer.

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3 years ago

12x−5y=−20 y=x+4

Alborosie

X = 0
y = 4
(0 , 4) as an ordered pair

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3 years ago

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