Mathematics, 09.07.2019 07:30 laylay120
First student bought art, math and history books for $72. second student bought art, chemistry and history books for $80. third student bought chemistry, math and history books for $61. fourth student bought art, math and chemistry books for $57. how much does each book cost?
Answers: 1
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Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?
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Mathematics, 21.06.2019 18:00
Asquare has a perimeter of sixteen centimeters. what is the length of each of its sides? a. 8 cm c. 9 cm b. 4 cm d. 10 cm select the best answer from the choices
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What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?
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Mathematics, 21.06.2019 20:30
choose the correct definition for extremo. a. end b. extra c. extract d. eventual
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