Mathematics, 07.04.2020 19:01, powellkhalil58
A radioactive substance decays exponentially. A scientist begins with 140 milligrams of a radioactive substance. After 25 hours, 70 mg of the substance remains. How many milligrams will remain after 35 hours
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Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?
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Write the standard form of an equation with (see picture below)
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If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9
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A radioactive substance decays exponentially. A scientist begins with 140 milligrams of a radioactiv...
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