The population of a certain country is known to increase at a rate proportional to the number of people presently living in the country. If after 2 years the population has doubled, and after 4 years the population is 19,000. Find the number of people initially living in the country. O 4750 people O 6,818 people O 7.071 people O 7,072 people

Q: During a nationwide program to immunize the population against a new strain of the flu, public…

A: Since you have posted multiple subparts we solved first three subparts for you To get the solution…

Q: A microorganism population quintuples every 10 minutes. If the count of microorganisms is 500 at t =…

A:

Q: A machine that drills holes for wells drilled to a depth of -72 feet in one day (24 hours). If the…

A: A constant rate signifies that the work done during each moment of is same. Equations can be formed…

Q: A bus is traveling at a constant speed. If the bus travels 15 1/2 miles in a 1/3 of an hour, how…

A: Given that the bus travels 1512 miles in a 13 of an hour.So the…

Q: A construction team gives an estimate of three months to repave a large stretch of a very busy road…

A: Given Three months = 15 members Also the relationship between construction time and crew members…

Q: In a certain bacterial culture where the rate of growth of bacteria is proportional to the number…

A:

Q: The population of Harford County was 238,145 in 2005 and 249,558 in 2015. A) assuming the growth was…

A: Topic-basic maths

Q: Suppose that a university had an enrollment of 9000 students in 1991 and each year thereafter…

A: The initial number of students in 1991 is 9000. It is given that every year the students increase by…

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: Suppose that in​ 2008, 821,550 citizens died of a certain disease. Assuming the population of the…

A: Given data is: 821,550 citizens died  Total population of the country=360 million To find what is…

Q: One type of strontium has a radioactive decay rate of 1.4% per day. If 30 pounds of this strontium…

A:

Q: Consider the constant rate of decrease of a certain microorganism. At the start, there are 10 000…

A: Let's find.

Q: If the growth rate of a culture of bacteria is proportional to the number of bacteria present. After…

A:

Q: Consider an object in a surrounding with a constant temperature of 25C. If the temperature of the…

A:

Q: airplane flying to the Dominican Republic has an altitude of 31,000 feet and is ascending at a…

A:

Q: A bus is traveling at a constant speed. If the bus travels 15 1/2 miles in 1/3 of an hour, how many…

A: Given that the bus travels 1512 miles in 13 of an hour.So the speed=distancetime=1512 miles13…

Q: In a city with 500,000 population, the rate of the spread of a new flu epidemic is proportional to…

A: Let the number of infected people at time t be:  P Therefore: dPdt=kP(500000-P)

Q: In year 1931, the population of Sri Lanka is 24M. in 1945, its population rise to 82M. Assuming that…

A:

Q: A population of bacteria grows at a rate proportional to the number of bacteria at the time. There…

A: Given that:                      Bacteria growth rate is proportional to the number of bacteria at…

Q: In, a culture, bacteria increases at the rate proportional to the number of bacteria present. If…

A:

Q: The population of a certain country is known to increase at a rate proportional to the number of…

A: Consider the provided information, We assume that rate of change of amount of substance is…

Q: If a pathogen spreads at .01 per day in a population if unchecked. In how many days will the number…

A: Consider the provided question, Given, World population P0 = 6 billion Birth rate - death rate =…

Q: on a given planet , the weight of an object varies directly with the mass of the object. suppose…

A:

Q: In a liquid culture, the number of bacteria grows at a proportional rate depending on the number of…

A:

Q: The size of the beaver population at a national park increases at the rate of 5.1% per year. If the…

A: Given query is to find population of beaver after 4 years.

Q: The current population of a threatened animal species is 1.9 million, but it is declining with a…

A: Given that the population of a threatened animal species is 1.9 million , that is 1,900,000 , but it…

Q: n a culture of yeast, the amount of active ferment grows at a rate proportional to the amount ... If…

A: Growth given in the problem has exponential growth. If the quantity growing exponentially is denoted…

Q: The gross profit for Exxon Mobil Corporation for various years is given here. Gross Profit Year (in…

A: From the previous part. The model is given by, P=1447t+54

Q: The number of phone calls between two cities, N, during a given time period varies the directly as…

A: The relation may be established as,   Remove the proportionality sign and replace it with a…

Q: a) a sample of iodine-131 has a weight of 3 mg and a half life of approximately 8 days.  how much of…

A:

Q: Carol, a Grade 3 learner, has a heart rate of 56 beats per minute. Calculate how many times her…

A:

Q: The number of children in a church is increasing at a rate that is proportional to the number of…

A: We will find the number of children after 5 years as following.

Q: The Population of Barangay Siksikan is increasing at a rate proportional to its current population.…

A: ⁎ Given:        The population of Barangay Siksikan i.e, increasing     at a rate proportional to…

Q: If you drive from New York to Boston at 55 MPH, and return at 75 MPH. What is your overall average…

A: The drive from New York to Boston at 55 MPH, and return at 75 MPH.

Q: two cyclists, 90 mi apart ,start riding towards each other at the same time. one cycles twice as…

A:

Q: A microorganism population quintuples every 10 minutes. If the count of microorganisms is 500 at t =…

A: In this question we have to find count of microorganism after 10 minutes.

Q: It is projected that, t years after 2010, the population of the United States will be P(t) =…

A:

Q: Sugar dissolves in water at a rate proportional to the amount still undissolved. If there were 70 kg…

A: The amount of sugar present initially is 70 kg and at the end of 4 hours only 30 kg is left. The…

Q: The rate at which yeast cells multiply is proportional to the number present. If the original number…

A: Given, The rate at which yeast cells multiply is proportional to the number present. the original…

Q: Of the 2000 passengers, crew, and staff that boarded a cruise ship, 8 have the flu. After one day of…

A: Given: Of the 2000 passengers, crew, and staff that boarded a cruise ship, 8 have the flu. After one…

Q: A microorganism population quintuples every 10 minutes. If the count of microorganisms is 500 at t =…

A:

Q: A Bacteria grows at a rate of 25% each day. If there are 500 bacteria today , how many will there be…

A: Given,          A Bacteria grows at a rate of 25% each day. If there are 500 bacteria today.…

Q: The requirement for computer server capacity at a particular company is expected to increase at a…

A: This can be found by following formula : A=P(1+r )t where, A=Future value=1200 GB P=present value…

Q: The population of a country doubles in 50 years. How many years will it be five times as much?…

A: We can find the answer as below.

Q: After 12 hours, half of a 16 gram sample of a radioactive element remains. Find the constant k for…

A:

Q: Suppose the length of a salamander is directly proportional to the cube root of its body mass…

A: Given that : The Length of a salamander is directly proportional to the cube root of its body mass…

Q: ) Suppose false news spreads in a city of 150,000 in a day. Within a week, 15000 residents hear ne…

A: Solution The total population of the city is 150, 000. Let the number of people who have heard the…

Q: A watercolor purchased in 2010 for $30,000 is estimated to be worth v ( t ) = 30,000e^t/6 dollars…

A:

Q: The population of a certain country is known to increase at a rate proportional to the number of…

A: