A bunch of hooligans dump 164 pounds of  pizza boxes into a lake. If the pizza boxes dissipates at a rate of 31% a year, how many pounds of pizza boxes will be left after 10 yrs?

Q: The​ half-life of radium is 1690 years. If 80 grams are present​ now, how much will be present in…

A: We have given the half life of radium is 1690 years.And the present amount of radium is 80 grams…

Q: A manufacture has been selling 1200 television sets a week at $540 each. A market survey indicates…

A:

Q: A car purchased for $25,700 depreciates at a constant rate of 3% each year. How long will it take…

A: given P=25700r=-3%=-3100=-0.03 (-ve sign because of depreciates)A=P(1+r)t A=25700(1-0.03)t…

Q: A certain computer loses half of its value every two years. If the value of the computer after 3…

A:

Q: A radioactive substance has a half-life of 29 years. What percent remains 80 years after being to…

A: We will find the remains after 80 years in percentage.

Q: The mass of caffeine in the bloodstream decreased rapidly at first, and then more slowly.

A: Given statement: The mass of caffeine in the bloodstream decreased rapidly at first, and then more…

Q: The half-life of Radium-226 is 1590 years. If a sample contains 500mg, how many mg will remain after…

A:

Q: An element with mass 730 grams decays by 28.8% per minute. How much of the element is remaining…

A: There is an exponential decay with rate of 28.8%.

Q: After the release of radioactive material into the atmosphere from a nuclear power plant in a…

A: Given that  To find the how long did the farmers need to wait to use this hay

Q: A machine costing P45,000 is estimated to have a salvage value of 14,350 when retired at the end of…

A:

Q: The half-life of radium is 1690 years. If 10 grams is present now, how much will be present in 100…

A: Half life of radium is 1690 years Present mass = 10 grams Mass at 100 years from now is to be…

Q: A person invested 30,000 and over time its value depreciates by one half every 5 years. What is the…

A: P = $ 30000 Every 5 year it's value depreciates by half Yearly depreciation = 3000 Rate of…

Q: A factory produces bicycles at a rate of 95 +4812- 4t bicycles per week (t in weeks). How many…

A:

Q: Researchers recorded that a certain bacteria population declined from 290,000 to 300 in 24 hours. At…

A: Bacteria in 16 hours=?

Q: A hospital prepares a 200 mg supply of molybdenum-99 which has a half-life of 66 hours. How much…

A:

Q: If a piece of machinery depreciates continuously at an annual rate of 4%, how many years will it…

A: To find: The number of years it will take for the value of machinery to halve. Concept used: The…

Q: Find the average rate of increase in population which in the first decade has increased by 20%, in…

A:

Q: According to Statistics Canada, in Grimshaw, Alberta, the population is declining Between 2001 and…

A: Solution

Q: An isotope of cesium has a half life of 29 years. If 1300 grams of cesium disintegrates over a…

A:

Q: The population of an Ontario town grew from 1250 to 10,000 in 5 years due to the establishment of a…

A: The population of a city grows exponentially. Suppose that initially the population is P. If the…

Q: Find the half-life (in hours) of a radioactive substance that is reduced by 1515 percent in 6060…

A:

Q: A manufacture has been selling 1700 television sets a week at $390 each. A market survey indicates…

A: Given- Manufacturer sells 1700 television sets a week at $390 each . For each $13 the number of sets…

Q: An amplifire is having a gain of 500 without feedback.If negative feedback is applied.the gain is…

A: Given:    Av   =  500    Avf   = 100

Q: A radioactive isotope, selenium, used in the creation of medical images of the pancreas, has a…

A:

Q: The population of Jefferson City is 95,000. Assuming a growth rate of 2.5% pee year, what will the…

A: Given that population of Jefferson city is P=95,000.  growth rate is R=2.5% per year we have to find…

Q: if 8 g of a radioactive substance are present initially and 4 yr later only 4 g remain, how much of…

A:

Q: he population of greater Lafayette is increasing at a rate of .95% each year. If the population was…

A:

Q: The half-life of radium is 1690 years. If 10 grams is present now, how much will be present in 50…

A:

Q: A tumor is injected with 0.4 grams of Iodine-125, which has a decay rate of 1.15% per day. To the…

A:

Q: If 275 mg of a radioactive element decays to 200 mg in 48 hours, what is its half-life?

A:

Q: a radioactive isotope, selenium, used in the creation of medical images of the pancreas, has a…

A: To use the exponential model of radioactivity to determine the required amount of substance

Q: a car sells for $12,500 and one year later it is valued at $11,375. find the decay rate of the car

A: Explanation of the answer is as follows

Q: A toxic radioactive substance in the amount of 7 miligrams per square centimeters is detected in the…

A:

Q: Find the half-life (in hours) of a radioactive substance that is reduced by 5 percent in 15 hours.

A:

Q: Researchers recorded that a certain bacteria population declined from 100,000 to 100 in 24 hours. At…

A: We have to find number of bacteria in 8 hours into the experiment where researchers recorded that a…

Q: A certain battery has had a capa dropped to a capacity of 70 amp percent decrease in capacity.

A:

Q: Find the half-life (in hours) of a radioactive substance that is reduced by 10 percent in 90 hours.

A: Half-life = 0.693/(Decay constant)

Q: A certain radioactive substance has a half-life of 38 hours. Find how long it takes for 90% of the…

A:

Q: An element with mass 640 grams decays by 7:3% per minute. How much of the element is remaining after…

A: Given intial mass =640 gmsRate of decay=7.3% per miniutetime =8 minute

Q: The half-life of Cobalt-56 is 77.27 days. If a sample contains 460 mg, how many mg will remain after…

A: Half-lifeA=Ao. 12n whereA- The mass of the substance that remains Ao- Initial massn= ratio between…

Q: If the price of gold decreases at a monthly rate of 2.6% by what percentage does it decrease in a…

A: We have to find given percentage decrease.

Q: A particular car model depreciates 12.6 percent annually. Find the value of a $25450 car 5 years…

A:

Q: If 16 g of a radioactive substance are present initially and 9 yr later only 8 g​ remain, how much…

A:

Q: An element with mass 430 grams decays by 27.4% per minute. How much of the element is remaining…

A: We need to find the exponential function representing the decay of the element.

Q: If 16 g of a radioactive substance are present initially and 5 yr later only 8 g​ remain, how much…

A:

Q: How much would you expect systolic blood pressure to change if a person commits to reducing their…

A: From the given information expect systolic blood pressure to change if a person commits to reducing…

Q: A scientist places 2222 mg of bacteria in a culture for an experiment and he finds that the mass of…

A:

Q: The hourly wagre of workers was raised once a year and grew exponetionally from $10.00 to $12.49 in…

A:

Q: The population of the Philippines doubled from 1967 to 1997. Assuming the rate of population…

A: Let 'x' be the population of Philippines in 1967. Therefore, in 1997 the population become '2x'   We…

Q: A certain radioactive substance has a half-life of 38 hour. Find how long (in hours) it takes for…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.