In a lab experiment, 40 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to double every 23 hours. How long would it be, to the nearest tenth of an hour, until there are 82 bacteria present? Answer: Submit Answer

Q: Consider an iron blast furnace process. If 1200 kg of coke is used for every 1000 kg of iron ore,…

A: It is the example of direct proportion .  1200 kg of coke is used for every 1000 kg Therefore for 1…

Q: if a motor rotates 1627 3/4 revolutions per second. how many revolutions will it make in 13/15 of a…

A: Motor speed (s):

Q: (2) Assume that the number of mosquitoes around Lake Kainji doubles every century. How long will it…

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Q: Assume 6100 children go to Disneyland today. How much additional revenue will Disneyland receive if…

A: We need to find additional revenue.

Q: If Dustin alone does a job in 12 hours, and with the help of Savannah they can do it together in 5…

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Q: how many miles will a person run during a 10-kilometer race?

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Q: How many items are demanded at a price of $30?

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Q: Akiko built 33 models every 44 hours. At this rate, how many would she built in 16 hours?

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Q: 2,689 RPM (revolutions per minute) equals how many revolutions per second? 1 minute = 60 %3D…

A:

Q: A Ferris wheel is 40 meters in diameter and makes one revolution every 7 minutes. For how many…

A: Given, Diameter of ferris wheel = 40 m Then radius of ferris wheel  = 20 m  Time taken for one…

Q: A pharmaceutical manufacturer wants to make a prepared droperidol needle at a dose that will sedate…

A: Hint:  The formula to determine the sample size n  based on proportions is given;…

Q: A welder has 6 ft of inch pipe. How many pieces of pipe, each of length 12 ft, can be obtained from…

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Q: O Joey Chestnut, the world's fastest hotdog eater, ate 75 hotdogs in 10 minutes. At this rate, how…

A: Given: Joey Chestnut, the world's fastest hotdog eater ate 75 hotdogs in 10 minutes. At this rate,…

Q: A particular truck in a transportation fleet was driven 120,474 miles this year, which is 10% less…

A:

Q: 1. How many gallons of water are pumped out each hour? 2. How long will it take to empty the pool?…

A: Here as per POLICY I have calculated first 3 subpart only

Q: A veterinarian prescribed Melissa, a 54-pound dog, an antibacterial medication in case an infection…

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Q: 6.) Sammy Swiftfoot can run 3 miles in 14 minutes. At that rate, how long would it take him to run…

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Q: If a 15.5 inch piece of string is cut into six equal pieces, how long is each piece? Round to the…

A: We have to find how long each piece

Q: An airplane dropped a flare from a height of 1560 feet above a lake. How many seconds did it take…

A: The diagram of an aero plane dropping a flare is shown below.

Q: , when the temperature of the air is 290 Kelvin, a certain substance cools from 370 Kelvin to 330 K…

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Q: The moon is 250,000 miles away. How many feet is it from earth?

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Q: A woman begins jogging at 3:00 P.M., running due north at a 6-minute-mile pace. Later, she reverses…

A: Solution: Consider the given that Woman starts jogging at 3:00 PM and return to the starting point…

Q: A wheel makes 192 revolutions per minute. How many revolutions does it make per second?

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Q: An electrical repairer charges 48% of the cost of a new motor for a rewinding job. If the motor…

A:

Q: A rectangular piece of cookie dough has an area of 405 square inches. If the cookie was rolled out…

A: Area of rectangular

Q: A doctor told a patient to drink 1.6 liters of water everyday.About how many liters should the…

A: One day patient water requirement =1.6 litres

Q: One employee of a computer store is paid a base salary of $941 a month plus a 6% commission on all…

A:

Q: A rectangular piece of cookie dough has an area of 640 square inches. If the cookie was rolled out…

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Q: The average person breathes 6 times per minute (at rest), inhaling and exhaling half a liter of air…

A: Given:The average person breathes 6 times per minute (at rest), inhaling and exhaling half a liter…

Q: A jewelry store has 173.25 ounces of 14-carat gold in stock. (a) How many custom necklaces can be…

A: We can answer both the question as below.

Q: A skilled typist, on routine work, kept a record of mistakes made per day during 300 worke

A: Proportion = p =x/n ; where x is no of days and n is 300 frequency =100*p ; calculated in percentage…

Q: A client reports that he drank 40 % of his 12-ounce can of ginger ale. How many ounces did the…

A: Consider the provided question, Given, A client reports that he drank 40% of his 12-ounce can of…

Q: According to the U.S. Census Bureau, the District of Columbia's population is currently 572,000. If…

A:

Q: A log cabin quilt is 24 years old and a friendship quilt is 6 years old. In howmay years will the…

A: Let in x years will the log cabin quilt be three times as old as the friendship quilt.After x years…

Q: ) While waiting for a video game to download, you notice that 30% of 32,000 kilobytes have been…

A:

Q: In a certain​ city, it was recorded that 16 2/7 inches of rain fell over a​ 24-hour period. How…

A: Given, 1627  inches of rain fell over 24 hours.

Q: According to the U.S. Census Bureau, the District of Columbia's population is currently 572,000. If…

A: Given r =6% =0.06 t =10 years P =572000  P0 =?

Q: The Hippo Tang fish at the zoo requires the 1100 gallon tank to be 8​% salt. After a period of​…

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Q: In Lixue’s garden, the green pepper plants grew 5 inches in 3/4 month. At this rate, how many feet…

A: The green pepper plants grew 5 inches in 3/4 month 5 inches =5/12 foot

Q: It is 6.7 km from Hotel Oceania, Via Firenze, 38, 0184 Roma, to Saint Peters Basilica at the…

A: Convert 6.7 km to miles using the scale as follows:

Q: How many hours are there in 18,798 seconds? Use the following to convert this time to hours. 1 hour…

A: 1 hour =60 minutes 1 minute=60 seconds Thus 1 hour = 60*60=3600 seconds 18798 seconds=18798/3600…

Q: A pitcher is 30 years old, and a vase is 22 years old. How many years ago wasthe pitcher twice as…

A: let x years ago the pitcher twice as old as the vase x years ago the pitcher was (30-x) years old x…

Q: A house is on a 60,000-squarefoot lot. Rounded to the nearest tenth, approximately how many acres…

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Q: A company that refinishes our gym floor charges $200 for materials plus E hour for labor. What will…

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Q: 1) Ruben can paint 62 square meters per hour. At the same rate, how many square meters can he paint…

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

Q: the average American student is in class 330 min/day. how many hours/day is this?     how many…

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Q: A 4-inch by 6-inch photograph is going to be enlarged by increasing eachside by the same amount. The…

A: Length of photograph = 4 inch Width of photograph = 6 inch Let each side be enlarged by x inch New…

Q: The population of a city has increased by 29% since it was last measured. If the current population…

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Q: b) If there are: 3,000 plants in the field, approximately how many will be taller than 71 in.?

A:

Q: In Austin, Texas, 8 bats ate 40 grams of insects in one night. At this rate, how many grams of…

A: