A retirement account is opened with an initial deposit of $8,500 and earns 8.12% interest compounded monthly. What will the account be worth in 20years?    What if the deposit was calculated using simple interest?   Could you see the situation in a graph?    From what point one is better than the other?

Q: During a certain period, the retail price index went up from 120 to 150 and the wage from Rs. 480 to…

A: Given that,  The cost of the retail in the base year =120 The cost of the retail in the current year…

Q: f(x)=100 (1+0,06)*(x) one 700 500 300 200 2 46 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42…

A: One variable is given so just have to see the corresponding second variable from the given graph or…

Q: If you make an investment of $5,000 and the investment earns an annual interest rate of 4.9%, in how…

A: Topic = Algebra

Q: You buy a new car for the price of $28,750 and, on average, that car’s value will depreciate by…

A: Buy car price of $28,750  depreciate by 18.25% each year. determine the time when your car’s value…

Q: Lupe Gonzalez has $15000 in her retirement account. Find the interest rate required for the fund to…

A: We will find out the required value of rate of interest.

Q: Suppose the value of your car is decreasing by 18% per year. If your car is currently worth $20,000.…

A:

Q: in months in dollars 0 450 1 4

A: Here, in the question given an investment in dollars increases at a constant rate. The interest rate…

Q: 6) Approximately how long will it take for $10000 to become $20000 at 4%. ||

A: The solution is given below

Q: The graph below shows future value of a $100 investment earning a 6% interest rate. Based on the…

A:

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

A:

Q: How long will it take for $400 to grow to $1,000 at the following interest rates of 4%, 8% and 16%.…

A: The solution is given by using simple interest formula as follows :

Q: Use PMT= to determine the regular payment amount, rounded to the nearest dollar. In terms of paying…

A: PMT =P(rn)[1-(1+rn)-nt] Here,          Principle P=$210,000Interest r=8.5 % =0.085Monthly payment n…

Q: If the value of a stock depreciates at 3% a year, what will a $100 investment be worth in 20 years?

A: Given : Initial investment = $100, rate of depreciation = 3% and time = 20 years

Q: You decide to save slightly less than that and save $600 a month to invest into a retirement account…

A: The formula of compound interest is, A=P1+rnnt where A=final amountP=principal amountr=annual ratein…

Q: A store shows a net profit of $65,250 for the year. If the store profit increases by 3.75% per year…

A: Here we use compound interest formula which is as follows. If P be the principal which increases by…

Q: Darren accumulated $9,000 in credit card debt. If the interest rate is 4.1% per year and he does not…

A:

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.