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Sodium 24 has a half life of 15 hours. If there are 800 grams of Sodium 24 initially, how long will it take for 750 grams of Sodium 24 to decay?
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Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it.find the area of the sidewalk.
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The measures of two supplementary angles are (2x + 10)° and (8x + 10)°. what is the measure of the larger angle? a. 16° b. 44° c. 14° d. 138°
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Sodium 24 has a half life of 15 hours. If there are 800 grams of Sodium 24 initially, how long will...
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