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Exponential Decay
Page 2
Questions (86)
how to compute this problem?
a certain element has a half life of 12 years. if there were 1000 milligrams originally, find the
3 answers
asked by
diane
590 views
A manufacturer has observed that a certain product tends to fail either very early in its life span or quite late. The engineers
1 answer
asked by
Jason L
573 views
How much of a radioactive substance must be presented to decay to 60 grams in 11 years if the half-life of the substance is 3.9
2 answers
asked by
Anonymous
543 views
The radioactive decay of a substance is expressed by A=A^0 e^ -kt, where the initial amount A^0, decays to an amount A after t
2 answers
asked by
sara
511 views
A first order exponential decay can be written as
A(t)= Ae^(-t/r) where A(t) is the amount (of substance) after time t, A is the
2 answers
asked by
Beth
485 views
After several drinks, a person has a blood alcohol level of 200 mg/dL (milligrams per deciliter). If the amount of alcohol in
1 answer
asked by
liz
500 views
Santr 109 (a fictitious substance) decays by about 6% every day. How much of a 84 pound sample remains after:
(a) 7 days (b) 3
1 answer
asked by
Irina
464 views
If, for a second-order reaction, the elapsed time after the first half-life is 338.871 seconds, the elapsed time after four
1 answer
asked by
Rob
460 views
In a certain geographic location, a herd of antelopes is declining at a rate of six percent every year. If there are currently
3 answers
asked by
Blue Berry
197 views
In a certain geographic location, a herd of elephants is declining at a rate of four percent every year. If there are currently
1 answer
asked by
Blue Berry
209 views
Use the graph of the exponential decay function to determine the equation for the horizontal asymptote of the sequence that is
1 answer
asked by
kat
52 views
In a certain geographic location, a herd of elephants is declining at a rate of four percent every year. If there are currently
1 answer
asked by
mat
89 views
Use the graph of the exponential decay function that models an exponential decay sequence to discuss the properties and
1 answer
asked by
mat
68 views
Determine how long in years it will take the value of a motor vehicle to decrease to 25% of its original value if the rate of
3 answers
asked by
Lucas
440 views
Aria buys a new car for $36,000. She learns that every year her car will depreciate in value by 15%. This means that each year
1 answer
asked by
:)
36 views
Aria buys a new car for $36,000. She learns that every year her car will depreciate in value by 15%. This means that each year
1 answer
asked anonymously
25 views
Radon decays 17.3% per day. Use the formula P(t)=100e^-0.173t to determine how much 100mg of radon will decay in five days.
1 answer
asked anonymously
17 views
Radium-226, in grams, decays in such a way that after t years, the amount left over can be modeled by the equation A (t)=
1 answer
asked anonymously
21 views
What is the rate of decay?
y = 200(0.85)4 (1 point) Responses 15% 15% 85% 85% 0.85% 0.85% 0.15%
1 answer
asked anonymously
83 views
The equation L(t)=2,000(0.8)t represents the value of a laptop t years after purchase.
Complete the sentence. The laptop cost $
1 answer
asked anonymously
27 views
What is the rate of decay?
y = 200(0.85)^4 A. 15% B. 0.15% C. 85% D. 0.85%
1 answer
asked anonymously
11 views
A quantity with an initial value of 980 decays exponentially at a rate of 0.3% every 6 decades. What is the value of the
1 answer
asked anonymously
24 views
The element titanium-44 decays into other elements with a half-life of 63 years. Suppose a 14 kilogram deposit of titanium-44
1 answer
asked anonymously
33 views
identify the type of function represented by f(x)=7*(1/2)^x
A. exponential decay B. exponential growth C. increasing linear D.
1 answer
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20 views
Iodine-131 is a radioactive substance that decays at a rate of 8.3% every day. If a sample contains x grams of iodine-131 after
1 answer
asked by
ik ur cheating
50 views
Which equations and graphs represent exponential decay? y=0.5 . 8x
1 answer
asked anonymously
10 views
Unit 2 Extension activity
1 of 91 of 9 Items Question A doctor prescribes 400 milligrams of medicine to treat an infection. Each
1 answer
asked anonymously
23 views
A doctor prescribes 400 milligrams of medicine to treat an infection. Each hour following the initial dose, 85% of the
1 answer
asked anonymously
25 views
A town has a population of 1.239 * 10 ^ 5 and shrinks at a rate of 9.4% every year. Which equation represents the town's
1 answer
asked anonymously
12 views
The function f(x)=17,400(0.85)x
represents the values of a certain type of car x years after it is purchased. Xavier states that
1 answer
asked anonymously
9 views
A quantity with an initial value of 790 decays continuously at a rate of 35% per week. What is the value of the quantity after
1 answer
asked anonymously
7 views
A quantity with an initial value of 1000 decays exponentially at a rate of 0.35% every 3 months. What is the value of the
1 answer
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11 views
Which of the following are examples of exponential decay?
1 answer
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4 views
A quantity with an initial value of 6200 decays continuously at a rate of 5.5% per month. What is the value of the quantity
1 answer
asked anonymously
11 views
Which of the following are examples of exponential decay? Select all that apply.
A vehicle depreciates 13% each year. A tree is
1 answer
asked anonymously
16 views
A doctor prescribes 400 milligrams of medicine to treat an infection. Each hour following the initial dose, 85% of the
1 answer
asked anonymously
12 views
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Parent Categories (21)
Algebra
Algebraic Equations
Arithmetic
Calculations
Calculus
Chemical Reactions
Differential Equations
Equations
Exponential Equations
Exponential Functions
Functions
Functions and Equations
Math
Math and Finance
Mathematics
Physics
Population Growth
Probability and Statistics
Probability of Failure
Problem Solving
Radioactivity