subject
Mathematics, 03.03.2021 23:30 sarah121868

The half life of a substance is 24 minutes. At 3:00 PM there are 42 grams of the substance.
a) Write an exponential equation that models this solution
b) how many grams to the nearest hundredth of the substance remains at 4:30 pm?
C) what percent to the nearest hundredth of the substance remains at 5:11 pm?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 21:30
Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?
Answers: 3
question
Mathematics, 22.06.2019 02:40
Arestaurant manager wanted to get a better understanding of the tips her employees earn, so she decided to record the number of patrons her restaurant receives over the course of a week, as well as how many of those patrons left tips of at least 15%. the data she collected is in the table below. day mon tue wed thu fri sat sun patrons 126 106 103 126 153 165 137 tippers 82 87 93 68 91 83 64 which day of the week has the lowest experimental probability of patrons tipping at least 15%? a. sunday b. saturday c. friday d. thursday
Answers: 1
question
Mathematics, 22.06.2019 04:00
Question 27 of 28 1 point what is the slope of the line shown below? (3,-2) (2,-4)
Answers: 1
question
Mathematics, 22.06.2019 04:00
Identify reflection rule on a coordinate plane that verifies that triangle a(-1,7), b(6,5), c(-2,2) and aā€™(-1,-7), b(6,-5), cā€™(-2,2) triangle are congruent when reflected over the x-axis
Answers: 1
You know the right answer?
The half life of a substance is 24 minutes. At 3:00 PM there are 42 grams of the substance.
a...
Questions
Questions on the website: 13722362