4 years ago

Please help thank you. i have 2 questions.

2 answers:

7 0

I don't have the first answer sorry but I do know the second answer, you add up 7+4 which gives you 11 then it asked you about the odds in favor of picking green marble, the answer is 7:11

Schach [20]4 years ago

4 0

The answer for the first one is D

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3 years ago

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Novosadov [1.4K]

$\bf \qquad \qquad \textit{sum of an infinite geometric serie}
\\\\
S_n=\sum\limits_{i=1}^{\infty}\ a_1\cdot r^{i-1}\implies S=\cfrac{a_1}{1-r}\quad 
\begin{cases}
a_1=\textit{first term's value}\\
r=\stackrel{0\ \textless \ |r|\ \textless \ 1}{\textit{common ratio}}
\end{cases}$

$\bf \sum\limits_{n=1}^{\infty}~3\left(\frac{1}{4} \right)^{n-1}~~
\begin{cases}
a_1=3\\
r=\frac{1}{4}
\end{cases}\implies S=\cfrac{3}{1-\frac{1}{4}}\implies S=\cfrac{\quad 3\quad }{\frac{3}{4}}
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4 years ago

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Plz help I give a thanks

trapecia [35]

Answer:

x=8

Step-by-step explanation:

We know that the sum of two opposite interior angles equals one exterior angle

8x-5+27°=9x+14

8x+22=9x+14

22-14=9x-8x

x=8

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3 years ago

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