3 years ago

1.

Mathematics

1 answer:

hjlf3 years ago

3 0

Idkhzslkkxkfof?&$ask a another girl for that answer

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Find the sum of the series using the formula

Gnom [1K]

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We have a1 = 27 and r = 3 (because 27:9 = 3; 9:3 = 3; 3:3 = 1);

Then s = 27 / (1 - 3) ;

Finally, s = - 27 / 2;

Step-by-step explanation:

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Ms. Alonzo was hired to build a scale model of a submarine for a naval history exhibit. She has the

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Answer for 14 and 15 only

dexar [7]

$\bf 14)\\\\
(x-3y)^2\implies \stackrel{5}{x^2}-6\stackrel{11}{xy}+\stackrel{7}{y^2}\implies 5-66+7\\\\
-------------------------------\\\\
15)\\\\
(x+n)(x+1)=x^2+x+nx+n\implies x^2+(x+nx)+n
\\\\\\
\stackrel{x^2}{x^2}~+~\stackrel{m}{(1+n)}\stackrel{x}{x}~+~\stackrel{5}{n}\qquad 
\begin{cases}
n=5\\
m=1+n\\
\qquad 6
\end{cases}$