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jonny [76]
3 years ago
10

on a certain Planet if each year has 9 months and each month has 15 days how many full years have passed after 700 days on this

planet
Mathematics
1 answer:
crimeas [40]3 years ago
4 0
First we must find how much days are in a year. To do this, we must multiply the months by the days:
9*15 = 135
Next we divide the 700 days by the 135 days per year to find the total amount of years that has passed.
700/135 = 5.185...
Now we know that 5.185 years have passed, but the amount of full years has been 5 full years have passed after 700 days in this planet.
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\bf \textit{Double Angle Identities}
\\ \quad \\
sin(2\theta)=2sin(\theta)cos(\theta)
\\ \quad \\
cos(2\theta)=
\begin{cases}
cos^2(\theta)-sin^2(\theta)\\
1-2sin^2(\theta)\\
\boxed{2cos^2(\theta)-1}
\end{cases}
\\ \quad \\
tan(2\theta)=\cfrac{2tan(\theta)}{1-tan^2(\theta)}\\\\
-------------------------------\\\\


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</span>
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