A body whose temperature is 50°F is placed in a warming oven whose temperature is 100°F. After 5 minutes the temperature of the body is found to be 60°F. How many minutes from the beginning of the experiment will it take for the body to reach a temperature of 75°F?

Q: A bathroom tub will fill in 15 minutes with both faucets open and the stopper in place. With both…

A: To Determine: How long will it take for the tub to fill if both faucets are open and the stopper is…

Q: A body temperature of 50°F is placed outdoor where the temperature is 100°F. If after 5 minutes the…

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Q: A cross-country runner jogs at a rate of 15 feet per second. If she runs 300 feet from A to B, 450…

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Q: how many quarts of pure antifreeze must be added to 8 quarts of a 10% in time for your solution to…

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Q: A total of $27000 is invested, part of it at 12% and the rest at 13%. Thetotal interest after one…

A: Let $x was invested in 12% so (27000-x) was invested in 13% After one year interest from 12% account…

Q: A total of $6000 is invested, part of it at 4.25% and the rest at 5.75%. Thetotal interest after one…

A: Let $x was invested in 4.25% and (6000-x) in 5.75%  So the total interest earned is: 4.25% of x +…

Q: A snail is at the bottom of 10-meter well. Each day it crawls up 3 meters, but at night, it slips…

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Q: new homeowner purchases furniture worth $10,000, which depreciates at a constant rate of 7% every 2…

A: NOTE: Refresh your page if you can't see any equations. . the initial worth is $10000 sot ake…

Q: Due to the worsened economy, merchants in downtown Hollywood cannot afford to replace their outdoor…

A: Given that , Light bulbs burn out every month = 13% Outside store lights = 1 million = 1000000

Q: A tank initially contains 50 gallons of brine, with 30 pounds of salt in solution. Water runs into…

A: This question is related to differrential equations, We will solve it using given information.

Q: An investor invests 5000 dollars at 10% and the rest at 5%. How much was invested at 5% if the yield…

A: An investor invests 5000 dollars at 10%, which is one-fifth of the amount.

Q: It takes an ant farm 3 days to consume of an apple. At that rate, in how many days will the ant farm…

A: An ant farm takes 3 days to consume ½ of an apple. → An ant farm consume ½ of an apple in 3 days

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Q: How many hours would it take to breathe one billion times if you were breathing at a rate of 12…

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Q: As the biologist for a certain crocodile farm, you know that its carrying capacity is 20,000…

A: Initial number of crocodile was 5000. After 6 weeks it becomes = 7500. Let say, in every week the…

Q: Left on together, the cold and hot water faucets of a certain bathtub take 5 minutes to fill the…

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Q: • A body having a temperature of 100°C was placed in a room where the temperature is 5°C. At the end…

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Q: If he reduces his caloric intake to 200 kcals/day and walks at 3mph with 10% grade on the treadmill…

A: given target weight is 187 lb.  And currently weight 220 lbs  We have to find how many weeks would…

Q: Thirty gallons of a 20% acid solution is needed for an experiment. Only 40% and 10% acid solutions…

A: Given: 30 gallons of a 20% acid solution.

Q: How many quarts of pure antifreeze must be added to 4 quarts of a 30​% antifreeze solution to obtain…

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Q: A metal sphere cools from 80°C to 70°C in 5 minutes. How much more time (in minutes) will it take to…

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Q: A cup of coffee has a temperature of 165°F and is placed into 35° F refrigerator. After 10 minutes,…

A: Newton law of cooling

Q: A squirrel starts the winter with a full supply of food stored. If, cach week, the squirrel eats 12%…

A: A squirrel starts the winter with a full supply of food stored.every week, the squirrel eats 12% of…

Q: How many minutes would it take to breathe one billion times if you were breathing at a rate of 12…

A: Given that I am breathing at a rate of 12 times per minute. Let I need t minutes to breathe one…

Q: town has a population of 14000 and grows at 3% every year. What will be the population after 6…

A: Population grows 3% every year    N0=14000    Formula used. N0    = Present Value of population r…

Q: A roast turkey is taken from an oven when its temperature has reached 190 degrees Fahrenheit and is…

A: This is the problem of the Application of the Calculus.

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

A: Here we create a differential equation based on given information. Then solve that equation.

Q: At the beginning of a basketball season, the Panthers won 20 games out of 91 games. At this rate,…

A: The Panthers won 20 games out of 91 games.

Q: A bus leaves a city at 12:00 pm and travels 50 miles per hour. A car leaves the same city at 12:30…

A: Given that, the bus leaves a half -hour before the car. The speed(r) of the bus is 50 miles per…

Q: A pot of 180-degree water is placed in a freezer that is set to 20 degrees. The water cools to…

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Q: How many years would it take to breathe one billion times if you were breathing at a rate of 12…

A: We can use the simple arithmetic in order to solve the problem.

Q: A body at a temperature of 50 degree Fahrenheit is placed in an oven whose temperature is kept at…

A: toNewtonisdawAccordingof coolingdTTs-KLT-Ts)1surrounding tempis temp after itminutesdtTlt)>dT-k…

Q: The temperature of the engine of an armored personnel carrier returning from an exercise from 100 °…

A: Assume the given terms and use integration to determine the relation between temperature T and time…

Q: Suppose Jacqueline takes a 800 mg dose of ibuprofen and every hour that passes the amount of…

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Q: Ten years ago, the population of Northern Cascadia was 20% smaller than the population that of…

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Q: A laboratory assistant wants to make 10 liters of 40% acid solution. If solutions of 50% and 25% are…

A: Given: 50% and 25% solution of acid are available in the laboratory We have to make 40% acid…

Q: A group of workers can plant at a rate of  10  acres per day. How many acres can they plant in  5…

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Q: A total of $20,000 is to be invested, some in bonds and some in certificates of deposit (CDs). If…

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Q: A roast turkey is taken from an oven when its temperature has reached 190 degrees Fahrenheit and is…

A: This is a problem with Newton's law of cooling.

Q: A steel ball is heated to 120°C and then immersed in a vat of water kept at a constant temperature…

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Q: A dead fish was found inside a compartment that is able to maintain a constant temperature of 373…

A: let D be the body temperature at t seconds according to question, initially , at time t=0D=900…

Q: An experiment calls for a 5% salt solution. Only a 3% salt solution and an 8% salt solution are…

A: An experiment calls for a 5% salt solution. Only a 3% salt solution and an 8% salt solution are…

Q: A roasted turkey is taken from an oven when it temperature has reached 185 degrees Fahrenheit and is…

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Q: In a murder investigation, a corpse was found by a detective at exactly 8 PM. Being alert, the…

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Q: Two machines are turned on at 8:00 A.M. If one can produce 36 items each hour and the other can…

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Q: Alexis is traveling by train to a vacation spot that is 810 miles away. The train is traveling at 90…

A: We have to find the time taken in hours by Alexis to reach her destination from her current position…

Q: Suppose a particular antibiotic that is introduced to a petri dish containing 3000 newly discovered…

A: Introduction: Arithmetic sequence and geometric sequence are two important sequences in mathematics.…

Q: Ten years ago, the population of Northern Cascadia was 20% smaller than the population that of…

A: