tiffanyolmos98tolmos tiffanyolmos98tolmos

14-11-2016
Mathematics

contestada

A scientist begins with 100 mg of a radioactive substance. After 6 days, it has decayed to 60 mg. How long after the process began will it take to decay to 10 mg?

Respuesta :

mozarth11 mozarth11

14-11-2016

100 - 60 = 40
6 dias.......40
x...............10

40x = 60
x = 60/40
x = 6/4
x = 1,5 dia

Answer Link

Otras preguntas

Explain when graphing inequalities, what point should be used for which solutions

People invest in the stock market because: A. The time value of money states that money available now is worth more than the same amount of money later because

If the food handler has an infected wound or boil that is uncovered you must _____________________________. only utilize them in the kitchen, but do not allow t

critically evaluate walter white's account of the tulsa riots of 1921. do you find any evidence to support hannah nikole-jones' argument in the 1619 project?

Elles racontaient toujours la même histoire sans fin qui les entraînaien loin de l’atelier . l’atelier, avec ses barres de néon, son toit de tôle ondulée, ses f

Help lol, theres one more after this and it should be done by tonight

9 Holmes's actions, in the beginning, show that he - A already knew Miss Mary and her job with typewriting used details about Miss Mary's appearance to figure o

For most medical careers, what do the steps required for licensure include? education, an exam, and time spent working under experienced mentors a love of medic

jessica hasn't paid the roofing company that replaced the roof on her home. the contractor placed a mechanic’s lien on her property, which is a(n) lien.

Solve each of the following equations using the Extended Square Root Property. 1. 8√x+7=16 x= _____________ 2. √7x+4−3=0 x= _____________ 3. 8√5x−7=16 x= ______