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Mathematics, 21.06.2019 21:00
Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1β0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.
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Mathematics, 21.06.2019 23:30
In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.
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Mathematics, 22.06.2019 03:00
The curved part of the figure is the semicircle what is the best approximation for the area of this figure
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Mathematics, 22.06.2019 03:00
Plz 20 points polynomials 1: subtract and simplify (βy^2 β 4y β 8) β (β4y^2 β 6y + 3) 2: multiply and simplify 2x^2 y^3 z^2 Β· 4xy^4 x^2 3: multiply and simplify (x β 4) (x2 β 5x β 6)
Answers: 1
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