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ololo11 [35]
3 years ago
5

your coach assigned 15 practice exercises. You completed 6 exercises last week and 3 exercises this week. What fraction of the 1

5 exercises did you complete?
Mathematics
2 answers:
Lorico [155]3 years ago
8 0
You completed 9/15 of the exercises! :D
weqwewe [10]3 years ago
4 0
Total of 15 practice exercises.....u completed 6 last week and then 3 this week...so u completed (6 + 3) = 9 out of 15 exercises...

9/15 which reduces to 3/5 <== what u have completed
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\bf sin(x)=\cfrac{\stackrel{opposite}{-4}}{\stackrel{hypotenuse}{5}}\impliedby \textit{let's find the \underline{adjacent}} \\\\\\ \textit{using the pythagorean theorem} \\\\ c^2=a^2+b^2\implies \sqrt{c^2-b^2}=a \qquad \begin{cases} c=hypotenuse\\ a=adjacent\\ b=opposite\\ \end{cases} \\\\\\ \pm\sqrt{5^2-(-4)^2}=a\implies \pm\sqrt{9}=a\implies \pm 3=a \\\\\\ \stackrel{III~Quadrant}{-3=a}~\hfill cos(x)=\cfrac{\stackrel{adjacent}{-3}}{\stackrel{hypotenuse}{5}} \\\\[-0.35em] ~\dotfill

\bf tan\left(\cfrac{\theta}{2}\right)= \begin{cases} \pm \sqrt{\cfrac{1-cos(\theta)}{1+cos(\theta)}} \\\\ \cfrac{sin(\theta)}{1+cos(\theta)}\qquad \leftarrow \textit{let's use this one} \\\\ \cfrac{1-cos(\theta)}{sin(\theta)} \end{cases} \\\\[-0.35em] ~\dotfill

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