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2 years ago

In Lila's classroom there are red chairs, yellow chairs, and blue chairs. There are 5 red chairs.

Mathematics

2 answers:

Alex777 [14]2 years ago

8 0

Answer:

Seven

Step-by-step explanation:

(())(())(())))

Minchanka [31]2 years ago

6 0

Answer:

Step-by-step explanation:

41. This is because there are 5 red chairs and the are 5 times as many yellow chairs as red chairs. Then they add up to 30 but there are 4 fewer blue chairs than yellow which adds up to 41 chairs.

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Answer:

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Step-by-step explanation:

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3 years ago

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Alexxandr [17]

Answer:

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Step-by-step explanation:

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We simplify the equation to the form, which is simple to understand

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3 years ago

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Sergio039 [100]

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Step-by-step explanation:

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2 years ago

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Lady bird [3.3K]

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Step-by-step explanation:

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3 years ago

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4tan^2 x-8tanx+3=0 on interval [0,2pi]

Vadim26 [7]

$\bf 4tan^2(x)+8tan(x)+3=0\qquad [0,2\pi ]
\\\\\\
\textit{since it's just a quadratic, we'll just factor it}
\\\\\\\
[2tan(x)+1][2tan(x)+3]=0\implies 
\begin{cases}
2tan(x)+1=0\\
\qquad tan(x)=-\frac{1}{2}\\
\qquad \measuredangle x=tan^{-1}\left( -\frac{1}{2} \right)\\
\qquad \measuredangle x\approx 333.4^o, 153.4^o\\
2tan(x)+3=0\\
\qquad tan(x)=-\frac{3}{2}\\
\qquad \measuredangle x=tan^{-1}\left(-\frac{3}{2} \right)\\
\qquad \measuredangle x\approx303.7^o, 123.7^o
\end{cases}$

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2 years ago