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MA_775_DIABLO [31]

4 years ago

8

Solve x+(30/x)-11=0

1 answer:

DedPeter [7]4 years ago

7 0

Answer:

x=6,5

Step-by-step explanation:

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Answer:

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Seven times a number plus three times another number equals negative one.

Drupady [299]

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4 years ago

What is the solution set for the open sentence with the given replacement set? x^2 + 12 = 8x, {2, 4, 5, 8} MULTIPLE CHOICE QUEST

elena-14-01-66 [18.8K]

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Find the explicit formula for the geometric sequence cn given below. Note that c1=6.

kodGreya [7K]

The explicit formula for the geometric sequence $c_{n}$ is

$c_{n}=6(\frac{-1}{3})^{n-1}$

Step-by-step explanation:

The formula of the nth term of a geometric sequence is

$a_{n}=a(r)^{n-1}$ , where:

a is the first term of the sequence
r is the common ratio between the consecutive terms

The geometric sequence of $c_{n}$ is 6 , -2 , $\frac{2}{3}$ , $\frac{-2}{9}$ , $\frac{2}{27}$

∵ $c_{1}$ = 6

∵ $r=\frac{c_{2}}{c_{1}}$

∵ $c_{2}$ = -2

∴ $r=\frac{-2}{6}$

- Divide both term by 2 to simplify it

∴ $r=\frac{-1}{3}$

∵ $c_{n}=c_{1}(r)^{n-1}$

- Substitute the value of $c_{1}$ and r in the rule above

∴ $c_{n}=6(\frac{-1}{3})^{n-1}$

The explicit formula for the geometric sequence $c_{n}$ is

$c_{n}=6(\frac{-1}{3})^{n-1}$

Learn more:

You can learn more about the geometric sequence in brainly.com/question/1522572

#LearnwithBrainly

6 0

3 years ago