Mathematics, 25.06.2020 02:01 Disd112984
Nick starts with 20 milligrams of a radioactive substance. The amount of the substance decreases by 12 each week for a number of weeks, w. He writes the expression 20(12)w to find the amount of radioactive substance remaining after w weeks. Autumn starts with 1 milligram of a radioactive substance. The amount of the substance decreases by 50% each week for a number of weeks, w. She writes the expression (1−0.5)w to find the amount of radioactive substance remaining after w weeks.
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 17:00
Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.
Answers: 1
Mathematics, 21.06.2019 19:00
What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62
Answers: 2
Mathematics, 21.06.2019 21:00
Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?
Answers: 2
Mathematics, 21.06.2019 23:00
Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second
Answers: 1
You know the right answer?
Nick starts with 20 milligrams of a radioactive substance. The amount of the substance decreases by...
Questions
Engineering, 02.10.2020 18:01
Arts, 02.10.2020 18:01
History, 02.10.2020 18:01
English, 02.10.2020 18:01
Social Studies, 02.10.2020 18:01
Health, 02.10.2020 18:01
History, 02.10.2020 18:01
Mathematics, 02.10.2020 18:01
