Mathematics, 28.07.2019 02:30 melissapulido198
Ascientist is measuring the amount of radioactive material in an unknown substance. when he begins measuring, there are 12.8 grams of radioactive substance. nine days later, there are 7.33 grams. after 14 days, there are 5.38 grams. after 30 days, there are 2.00 grams. assuming that the decay is exponential, find the equation that determines the number of grams remaining after x days and use the equation to determine the amount of radioactive material remaining after 50 days.
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Mathematics, 21.06.2019 20:50
Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?
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Mathematics, 21.06.2019 21:00
The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm
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Mathematics, 21.06.2019 21:30
Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph
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Mathematics, 21.06.2019 22:50
Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585
Answers: 1
Ascientist is measuring the amount of radioactive material in an unknown substance. when he begins m...
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