A regional rail company wants to reduce its delays. Presently, 70 percent of the trainsarrive on time. The company’s goal is to improve this to 95 percent. What form ofimprovement trajectory will most likely occur?a. Exponential growthb. Exponential decayc. Diminishing return growth

Q: A powerful computer is puchased for $ 2000, nut loses 20% of its value each year. 1. is this an…

A: Given; Initial value=$2000 Growth/decay rate=20% Time=4 years. 1. This is an example of exponential…

Q: a. Plot the data. b. Use exponential regression to construct an expo- nential model for the income…

A:

Q: At the end of 2011, the number of electric cars registered worldwide was 47,580. By the end of 015,…

A: At the end of 2011, No of electric cars = 47580At the end of 2015, No of electric cars = 547120Rate…

Q: calculate the population of Kumasi for 2020 if the growth rate is 3% per annum and death rate is…

A: Overal population growth rate = (Growth rate + Immigration) - (Death rate +…

Q: Stocks in a certain industry depreciated by 5.4% in the first 8 months of 1993. Assuming that this…

A: For the given amount of $30,000 if depreciated 5.45% in the first 8 months the investment be worth…

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Q: Roofs and HVAC units are two of the most expensive investments for homeowners (a basic HVAC unit…

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Q: Coral invested $500 in an account that earns simple interest at the rate of 5.5% each year. Assuming…

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Q: A principal amount of $2,000 is placed in a savings account with an 8% annual interest rate,…

A:

Q: 12. In 2018, a small town in South America had a population of 1,400 people. Upon recounting in…

A: Introduction: The exponential model for the population growth of the town would be of the form: P…

Q: Which of the following scenarios has the smallest doubling time? 3.3% annual interest, compounded…

A:

Q: A couple invests $8000 in a bond fund. The expected yield is 4.5% and the earnings are reinvested…

A: We have been given  P = 8000               r = 4.5% = 0.045 n = 12  We know that the earnings are…

Q: A five-year project requires an investment of -112 and has the following cash flows in years 1…

A: We will solve this question using Cauchy's bounds theorem on a polynomial of degree "n". Here, we…

Q: Calculate the arithmetic gradient after 6 years if the future sum is 8000$ and rate of interest is…

A: Detailed explanation mentioned below

Q: According to the Philippine Statistics Authority, the total population in the Philippines last 2015…

A: Given: Total population in the philippines in year 2015 reached 100.51 million with growth rate…

Q: The S & P Stock index showed a rise in stock value of 28.9% on average in 2019. Since the…

A: we invested $500 in the initial of 2019, It is given that Average return of year 2019 is 28.9%, it…

Q: Mary invested $500 in the beginning of year 2008 in an account earning 3.8% annual compound…

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Q: E-Tech Financial indexed fund was tumbling by 10.5% (per annum) such that: where A0 is the…

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Q: The median house price in the Pickering Region increased by 5.8% from January 1, 2019 to January 1,…

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Q: How much interest is earned at 2 1/2% if an amount of P10,500 was invested on October 3, 2021 and…

A: Solution

Q: The following is procrastinated: In 2020 about 3% of the jobs can be fully automized, In 2025 about…

A:

Q: Fill in the missing information in the following table. Assume that Portfolio AB is 50 percent…

A: From given data we have : Year Stock A Stock B 2015 11.5 21.5 2016 36.8 -37.7 2017 -20.6…

Q: 7.In 1990, the world population was 5.284 billion, with a relative growth rate of 1.56%/year.  Use…

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Q: 4. Fatima bought a collector's basketball card in 1990 for $35. The value increases by x % every…

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Q: Suppose that Colorado population grows consistently at 2.4% per year. If the 2021 colorado…

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Q: 3. The current population of Earth is about 6.5 billion. Use an average growth rate of 1.14% to…

A: The current population of earth is 6.5 billion percentage of growth rate 1.14% using current year…

Q: In a twitter post you just saw, you found out apartment rental costs in San Francisco tripled…

A: The growth is modelled using the equation, f(t)=a(1+r)t , where, a is the initial value of an item,…

Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.