Grace starts with 100 milligrams of a radioactive substance. the amount...
ryan starts with 1 milligram of a radioactive substance. the amount of the substance decreases by 40% each week for a number of weeks, w. he writes the expression (1 – 0.4)w to find the amount of radioactive substance remaining after w weeks.
use the drop-down menus to explain what each part of grace’s and ryan’s expressions mean.
I Believe Grace Is Dead Dreamer?!
i will pick c put check it over to be sure
she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.