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3 years ago

13

A group of children was crossing a river in boats. When they tried to sit 6 people per boat there was no place left for 4 of the

m. When they tried to sit 8 people per boat they had one empty boat. How many students and how many boats were there?

1 answer:

Nuetrik [128]3 years ago

6 0

16 people and 3 boats.

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2 years ago

Find the product <br> (7x^2y^3)(3x^5y^8)

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Hello!

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Read 2 more answers

Find all solutions and solutions in interval[0,2pi)

frutty [35]

$\bf sin(2\theta)=2sin(\theta)cos(\theta)\\\\
-------------------------------\\\\
sin(2x)-\sqrt{3}cos(x)=0\implies 2sin(x)cos(x)-cos(x)\sqrt{3}=0
\\\\\\
\stackrel{\stackrel{common}{factor}}{cos(x)}[2sin(x)-\sqrt{3}]=0\\\\
-------------------------------\\\\$

$\bf cos(x)=0\implies \measuredangle x=
\begin{cases}
\frac{\pi }{2}\\\\
\frac{3\pi }{2}
\end{cases}\\\\
-------------------------------\\\\
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\\\\\\
\measuredangle x=
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\frac{\pi }{3}\\\\ \frac{2\pi }{3}
\end{cases}$

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3 years ago