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3 years ago

11

Are 8x and 2x to the second power like terms?

1 answer:

quester [9]3 years ago

4 0

Answer:

Yes. The x coefficient will be x^2 for both of them, allowing you to effectively combine them.

Step-by-step explanation:

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Which of he following ratios doesn't make a proportion

Fiesta28 [93]

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3 years ago

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patriot [66]

Answer:

Step-by-step explanation:

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IRISSAK [1]

The wording of this question is a bit confusing... You can't write a sequence in sigma notation, but rather a series or sum. I think the question is asking you to write the sum of the sequence,

$\dfrac12,\dfrac14,\dfrac18,\ldots,\dfrac1{64}$

which would be

$\dfrac12+\dfrac14+\dfrac18+\cdots+\dfrac1{64}$

in sigma notation.

To do this, notice that the denominator in each term is a power of 2, starting with $2^1=2$ and ending with $2^6=64$ . So in sigma notation, this series is

$\displaystyle\sum_{n=1}^6\frac1{2^n}$

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3 years ago