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Burka [1]
4 years ago
15

What is the common ratio for the geometric sequence?

Mathematics
2 answers:
SOVA2 [1]4 years ago
7 0

The common ratio is -1/4.


Helen [10]4 years ago
5 0
Note this pattern:  Mult. 24 by (-1/4) produces -6.
                              Mult -6 by (-1/4) produces 6/4 = 3/2
                             Mult. 3/2 by (-1/4) produces 3/8

Looks as though you copied the problem down incorrectly.  You wrote 32 for 3/2 and -38 for -3/8.

The common ratio is -1/4.

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uranmaximum [27]

You can take LCM and then can add to see what's the sum.

The sum result of given expressions is given by: \dfrac{5}{y+5}

<h2>Given that:</h2>
  • To find sum of  \dfrac{3y}{y^2 + 7y + 10} and  \dfrac{2}{y+2}

<h2>Finding LCM and summing:</h2>

You can take LCM and then can add to see whats the sum.

\begin{aligned}\dfrac{3y}{y^2 + 7y + 10} + \dfrac{2}{y+2} &= \dfrac{3y}{(y+2)(y+5)} + \dfrac{2}{y+2}\\&= \dfrac{3y + 2(y+5)}{(y+2)(y+5)}\\&= \dfrac{5y+10}{(y+2)(y+5)}\\&= \dfrac{5(y+2)}{(y+2)(y+5)}\\&= \dfrac{5}{y+5}\\\end{aligned}

Thus, the sum of given expressions is given by:

\dfrac{5}{y+5}

Learn more about algebraic sums here:

brainly.com/question/14964662

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To calculate current, I: put your finger over I, this leaves V over R, so the equation is I = V/R

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