![subject](/tpl/images/cats/mat.png)
Mathematics, 17.12.2019 20:31 groverparham3
Use the exponential decay model, upper a equals upper a 0 e superscript kt, to solve the following. the half-life of a certain substance is 19 years. how long will it take for a sample of this substance to decay to 78% of its original amount? it will take approximately nothing years for the sample of the substance to decay to 78% of its original amount.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30
What is the volume of the cone to the nearest cubic millimeter? (use π = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:50
Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:00
Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate
Answers: 1
You know the right answer?
Use the exponential decay model, upper a equals upper a 0 e superscript kt, to solve the following....
Questions
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.04.2020 00:47
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.04.2020 00:47
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.04.2020 00:48
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.04.2020 00:48
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.04.2020 00:48
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 17.04.2020 00:48
![question](/tpl/images/cats/es.png)
Spanish, 17.04.2020 00:48
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 17.04.2020 00:48
![question](/tpl/images/cats/geografiya.png)
Geography, 17.04.2020 00:48