Please help me on my hw
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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(1−0.2)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 21:50
Which of the following equations is equivalent to x/3-6/x=1
Answers: 3
Mathematics, 22.06.2019 00:00
How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide? original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters
Answers: 1
History, 16.12.2019 02:31
History, 16.12.2019 02:31
English, 16.12.2019 02:31
History, 16.12.2019 02:31
Mathematics, 16.12.2019 02:31
Mathematics, 16.12.2019 02:31
Geography, 16.12.2019 02:31
History, 16.12.2019 02:31
History, 16.12.2019 02:31