A bacteria sample in a lab grows to double its original mass in 3 hours. At what time will it be triple it’s original amount?

Q: The half-life of Radium-226 is 1590 years. If a sample contains 200 mg, how many mg will remain…

A: Given,The half-life of Radium-226 is 1590 years. i.e., h=1590A sample contains 200 mg.…

Q: Kimi invests $4,000 at 3% interest compounded continuously. How much money will she have in 4years?

A: Given principal(p)=$4000Interest rate(r)=3%=0.03time(t)=4 yearssince the amount is compounded…

Q: An oil company bores a hole 80m deep. Estimate the cost of boring if the cost is £30 for drilling…

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Q: Jorge decides to invest $4600 in a savings account, one that compounds interest quarterly at a rate…

A: Given data: P=$ 4600 Time, t = 5 years Case 1) If interest is compounded quarterly. Rate of…

Q: The half-life of Radium-226 is 1590 years. If a sample contains 300 mg, how many mg will remain…

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Q: The half-life of Radium-226 is 1590 years. If a sample contains 300 mg, how many mg will remain…

A: for the half-life, use the formula y=a0.5tp here initial amount is a=300 mg and the half-life is…

Q: A bacterial population has an exponential growth rate of 11.2% per hour. If there were 480 bacteria…

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Q: A patient is adminstered a dose of 70mg of a drug. If the body naturally disposes of 6%. of the drug…

A: It is given that a patient is administered a dosage of 70 mg.The body naturally disposes 6%.

Q: The half-life of radium-226 is 1590 years. If a sample contains 200 mg, how many mg will remain…

A: The formula to find the amount of remaining radioactive material is given by the expression: An =…

Q: The bacteria in an 11-liter container double every 2 minutes. After 50 minutes the container is…

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Q: A bacteria culture starts with 3000 bacteria and grows to 50,000 in 3 hours. a) What is the doubling…

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Q: In a lab experiment, 4600 bacteria are placed in a petri dish. The conditions are such that the…

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Q: A total of $18000 is invested, part of it at 6% and the rest at 9%. The totalinterest after one year…

A: Let $x was invested in 6% and (18000-x) in 9% So total interest earned after 1 year is: 6% of x + 9%…

Q: A total of $50000 is invested, part of it at 5% and the rest at 7.5%. The totalinterest after one…

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Q: The half-life of Radium-226 is 1590 years. If a sample contains 300 mg, how many mg will remain…

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

A: Bacteria in 16 hours=?

Q: If $5000 is invested at 7% annual simple interest, how long does it take to be worth $7800?

A: Use formula of simple interest

Q: A dirty bowl on your counter starts to grow bacteria that doubles every 10 minutes. Assuming you…

A: Given - A dirty bowl on your counter starts to grow bacteria that doubles every 10 minutes. To find…

Q: How long will it take money to triple itself if invested at 5% compound interest rate?

A: GIVEN: Compound interest rate = 5%

Q: The half-life of radioactive cobalt is 5.27 years. If 100 grams of radioactive cobalt is present…

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Q: A patient is adminstered a dose of 70mg of a drug. If the body naturally disposes of 5% of the drug…

A: Given,           A patient is administered a dose of 70mg of a drug and the body naturally disposes…

Q: The half-life of Radium-226 is 1590 years. If a sample contains 400 mg, how many mg will remain…

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Q: The population of an organism triples every hour. BY what facor does the population grow in one-half…

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Q: The half-life of Radium-226 is 1590 years. If a sample contains 400 mg, how many mg will remain…

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Q: A volunteer knits a 5-foot long scarf at a constant rate. After 4 hours, the volunteer still has to…

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Q: A plant grows 1.67 cm in its first week. Each week it grows by 2% more than it did the week before.…

A: Geometric sequence is the sequece in which each term is found by multiplying the previous term by…

Q: A ship has wrecked and its crew of 300 men has been left stranded on a dessert island. The food will…

A: In equation we are equating two sides left hand side and right hand side. It contains variable,…

Q: There are 6,000 cases of Coronavirus in Hong Kong. If Coronavirus cases increase at a rate of 3% per…

A: according to question number of Coronavirus cases after n days is=6000(1+3100)n =6000(1.03)n

Q: The bacteria in a 4-liter container double every minute.After 60 minutes the container is full. How…

A: The bacteria get double every minute;                             After…

Q: A small metal bar, whose initial temperature was 20° C, is dropped into a large container of boiling…

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Q: One end of a ladder 25 feet long slides down a vertical wall while the other end moves away from the…

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Q: A limestone stalactite grew in length at a rate of – of a millimeter per year. At this rate, how…

A: Given the limestone is growing at a rate of 18mm per year i.e. 0.125 mm every year

Q: The count in a bateria culture was initially 100, and after 30 minutes the population had increased…

A: Consider the count of bacteria culture which was initially 100 and the population increased to 1900…

Q: If $5,000 is invested at 7% annual interest, how long does it take to be worth $6750?

A: Initial amount =P= 5000  Final amount = 6750  So interest =I= 6750-5000= 1750  Interest rate = 7%=…

Q: One pump can fill a pool in 10 hr. Working with a second slower pump, the two pumps together can…

A: The Pump1 fill pool in 10hr Both Pump1 and Pump2 fill in 6hr To find time taken by pump2 alone to…

Q: The​ half-life of caffeine in a​ person's bloodstream is about 6 hours. If a​ person's bloodstream…

A: The formula for half-life:

Q: If sandago has a present population of 70,000 and the population is increasing by 3% each year.…

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Q: If Ben invests $3500 at 4% interest per year, how much additional money must he invest at 5% annual…

A: Let x be additional money invested. Use the appropriate formula of simple interest each year equal…

Q: A small pipe can fill a tank in 6 min more time than it takes a larger pipe to fill the same tank.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A worker's salary starts at £25000 per annum and increases by £2500 every year. How long does she…

A: The initial salary of the worker is £25,000 per annum. Her salary increases by £2500 every year.…

Q: How long will it take for an amount to double its value if invested at 9.3% simple interest?

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Q: The half-life of Radium-226 is 1590 years. If a sample contains 100 mg, how many mg will remain…

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Q: a person plans to invest three times as musch in an account at 3.1% interest as in account at 13%…

A: A person plans to invest three times as much in an account at 3.1% interest as in account at 13%…

Q: A company produces boxes that are 5 feet long, 4 feet wide, and 3 feet high. The company wants to…

A: Let the increased amount is x feet. So new dimensions are (5+x) feet , (4+x) feet , (3+x) feet

Q: patient is adminstered a dose of 60 mg of a drug. If the body naturally disposes of 7​% of the…

A: Given query is to find the rate of change after 6 hours.

Q: One mole of gas expands isothermically to double its volume. If the gas temperature is 340 k what…

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Q: A foundation invests $70,000 at simple interest, a part at 7%, twice that amount at 4%, and the rest…

A: Given, a foundation invests $70,000 at simple interest, a part at 7%, twice that amount at 4%, and…

Q: A total of $⁢5000 is invested: part at 5% and the remainder at 15% How much is invested at each rate…

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Q: A patient is drinking  0.6 pint of orange juice every two hours. At this rate, how many quarts of…

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Q: A total of $9000 is invested, part of it at 10% and the rest at 12%. The totalinterest after one…

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