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The half-life of radium is 1690 years. If 80 grams are present now, how much will be present in 210 years?
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An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called
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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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The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?
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20 points plus brainliest andwer plus my hover hoard im v desperate ! evaluate the polynomial for x=-2 in the equation -3x^3+7x^2-7x-1 (simplify your answer)
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The half-life of radium is 1690 years. If 80 grams are present now, how much will be present in 210...
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