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Express 2.\overline{57} as a base 10

Let $APQRS$ be a pyramid, where the base $PQRS$ is a square. The total surface area of pyramid $APQRS$ (including the base) is
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2. asked by Mary
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DEFG has been identified as a parallelogram. Which of the following are true? (Pick more than 1) 2 points) overline DH cong
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Express 0.\overline{212}_{30} as a base 10 fraction in reduced form.
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2. asked by Lily
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Express 2.\overline{57} as a base 10 fraction in reduced form.
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2. asked by Lily
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Express $3.\overline{4}_{13}$ as a base 10 fraction in reduced form.
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2. asked by Mr. Alexander
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Express 2.\overline{5}_{71} as a base 10 fraction in reduced form.
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2. asked by Lily
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Express $0.\overline{21}_3$ as a base 10 fraction in reduced form.
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2. asked by ABC123
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I need help fastSuppose that $n$ is a positive integer such that in base $7$, then $n$ can be expressed as $\overline{ABC}_7$,
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2. asked by Charles
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In acute triangle $ABC$, points $D$, $E$, and $F$ are located on sides $\overline{BC}$, $\overline{AC}$, and $\overline{AB}$ so
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2. asked by Joe
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In triangle $XYZ,$ $M$ is the midpoint of $\overline{XY}.$ Let $D$ be the point on $\overline{YZ}$ such that $\overline{XD}$
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2. asked by bob
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