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3 years ago

Is 9.561 a repeating decimal?

2 answers:

7 0

Not the way you wrote it, it isn't. Nothing you wrote is repeated, and
there's no note saying that the 561, or the 61, or the 1 repeats.

Dmitrij [34]3 years ago

3 0

No it is only a repeating decimal if the number is repetitive for example .3333333 is a repeating decimal because the 3 repeats with no change of pattern

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If (x + y)^2 = 105 and x^2 + y^2 = 65, what is the value of xy?

lesya692 [45]

$\boxed { \boxed {(a + b)^2 = a^2 + 2ab + b^2}}$

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$2xy = 105 - 65$

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$\boxed { \boxed {\text{Answer: xy = 20}}}$

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3 years ago

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3 years ago

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2 years ago

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