# Questions on Algebra in Finance answered by real tutors!

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 Algebra in Finance Solvers Lessons Answers archive Quiz In Depth

 Question 322615: john invests \$10,000 for two years at 10% compounded annually. how much will john have after the two years? Click here to see answer by rfer(12654)

 Question 322766: The balance, B n + 1, in Mr. Smith's savings account at the end of a year is calculated by the equation B n+1 = (1.065) Bn, where Bn is the balance at the end of the previous year. Mr. Smith made a deposit to pen the account 4 years ago. He has not made any additional deposits or withdrawls since. The balance at the end of two years was 1701.34. What is the balance at the end of 4 years? a) 1922.51 b) 1929.70 c) 2143.69 d) 2188.72 Click here to see answer by solver91311(16872)

 Question 323062: Things did not go quite as planned. You invested part of \$8000 in an account that paid 12% annual interest. However the rest of the money suffered a 5%loss. If the total annual income from both investments was \$620 how much was invested in each rate? Click here to see answer by galactus(183)

 Question 323334: Factor this problem and check, Please a(a+1) - 3(a+1) I come up with 3a³+3a²-3a²+3a but can not get it to factor back on my check. Click here to see answer by Alan3354(30993)

 Question 323519: Diameter of a circle. If the diameter of a circle is: 1.3 • 10^-12 meters, then what is its radius? 1.3•10^-12 = .000000000013 I think I did this part right. Can someone give me help with this problem. Thank you. Click here to see answer by rfer(12654)
 Question 323519: Diameter of a circle. If the diameter of a circle is: 1.3 • 10^-12 meters, then what is its radius? 1.3•10^-12 = .000000000013 I think I did this part right. Can someone give me help with this problem. Thank you. Click here to see answer by Alan3354(30993)

 Question 323610: Please help set up and solve this problem. Thank you. A picture frame has a length l = 13 inches and the height of h= 11 inches. If the frame width is x inches, write and expression for the display area of the frame. I know that A=LW Click here to see answer by mananth(12270)
 Question 323610: Please help set up and solve this problem. Thank you. A picture frame has a length l = 13 inches and the height of h= 11 inches. If the frame width is x inches, write and expression for the display area of the frame. I know that A=LW Click here to see answer by JBarnum(2044)
 Question 323610: Please help set up and solve this problem. Thank you. A picture frame has a length l = 13 inches and the height of h= 11 inches. If the frame width is x inches, write and expression for the display area of the frame. I know that A=LW Click here to see answer by Theo(3458)

 Question 323550: Stan can be paid in one of two ways Plan A - \$900 per month plus a 10% commission on all sales or Plan B - \$1200 per month plus a 15% commission on all sales over \$8000 If we assume that Stan always sells more than \$8000, when is plan B better? The book says for values > \$18,000.....but I don't get it.... Click here to see answer by josmiceli(9664)

 Question 323664: The Everton College store paid \$1740 for an order of 46 calculators. The store paid \$8 for each scientific calculator. The others, all grapghing calculators, cost the store \$57 each. How many of each type of calculator was ordered? Click here to see answer by JBarnum(2044)

 Question 324260: I am working on this rational expression and wondering if I have the right answer could I please get help if I don't? 4x² ÷ 2x^9 My answer is 2 ÷ x^7 Click here to see answer by rapaljer(4667)

 Question 324312: I need help working this problem.I know I need to factor it out, so far I have -2x-8 ÷ x²+2x-8 = -2x-8 ÷(x+4)(x-2) I just can't figure out how to factor the -2x-8 Thank you for your help Click here to see answer by Fombitz(13828)

 Question 324556: Multiplying rational expression. I just need to know if this is right and if not the right way to do it. 3÷a²+a•2a+2÷6 = 3÷a(a+1)• 2(a+1)÷2•3 =a Click here to see answer by stanbon(57282)

 Question 325273: Find the slope, if it exists x=-5 m= use integer or a simplfied fraction Type N if the slope is undefined. Click here to see answer by jim_thompson5910(28536)
 Question 325273: Find the slope, if it exists x=-5 m= use integer or a simplfied fraction Type N if the slope is undefined. Click here to see answer by solver91311(16872)

 Question 326628: if you deposit 400.00 inan account and earn 5% compound annually how much willyou have in 15 years? Click here to see answer by rfer(12654)

 Question 326641: if you deposit \$5,000.00 into an account each year, earning 5% interest compound annually, how much will you have in the account in 35 years? Click here to see answer by rfer(12654)

 Question 326643: you have \$300,000.00 saved for retirement, your account earns 10% interest. how much will you be able to pull out each month if you want to be able to take withdrawals for 20 years? Click here to see answer by rfer(12654)

 Question 326659: you buy a house for \$160,000. you pay 10% down and finance the rest paying 8% interest on the remaining balance for 30 years. 10 years later you refinance the balance left at 6% for 30 years. how much interest will you pay over the lifetime of the new loan? Click here to see answer by rfer(12654)

 Question 326664: you buy a house for \$160,000. you pay 10% down and finance the rest paying 8% interest on the remaining balance for 30 years. 10 years later you refinance the balance left at 6% for 30 years. since you are paying for a new 30 year loan in addition to the 10 years you have already paid, how much are you saving monthly to take advantage of the lower interest rate? Click here to see answer by rfer(12654)

 Question 326666: you have bought a \$160,000. house, put 10% down and financed the rest at 8% for 30 years. 10 years later you re-finance the remaining loan balance at 6% for 30 years. how much in total interest will you be paying for both loans? Click here to see answer by rfer(12654)

 Question 326654: you bought a house for \$160,000. paying 10% down and financing the rest at 8% interest for 30 years. 10 years later you take out a new 30 year mortgage at 6% for the remaining loan balance. what would your new monthly payment be? Click here to see answer by rfer(12654)

 Question 326632: if you deposit \$2,000 in an account earning 3% interest compound monthly, how much will you have in the account in 5 years? Click here to see answer by rfer(12654)

 Question 326637: how much would you need to deposit in an account now in order to have \$4,000.00 in the account in 5 years? Assume the account earns 3% interest compound monthly. Click here to see answer by galactus(183)

 Question 327262: An item is for sale 27,000 USD. Tony can pay 7,700 downpayment and 2,400 payment every end of the month, how many regular payments of 2,400 must he make and what will be the size of the concluding payment? Click here to see answer by Fombitz(13828)

 Question 327911: If \$1000 is invested and is compounded monthly, what rate must be charged for the amount to double in 4 years? Click here to see answer by Fombitz(13828)

 Question 328537: A total of \$10, 126 was invested into two saving accounts. One account yields 8.5% simple interest and the other 9% simple interest. The person would like to find the amount placed in each account if a total of \$901.66 in interest is received after one year. Write a system of linear equations to express this problem. I tried 901.66 = 10126 - (8.5x+9y) But that looks really wrong to me. Click here to see answer by jim_thompson5910(28536)
 Question 328537: A total of \$10, 126 was invested into two saving accounts. One account yields 8.5% simple interest and the other 9% simple interest. The person would like to find the amount placed in each account if a total of \$901.66 in interest is received after one year. Write a system of linear equations to express this problem. I tried 901.66 = 10126 - (8.5x+9y) But that looks really wrong to me. Click here to see answer by stanbon(57282)

 Question 330971: Compound interest) To what amount will the following investments accumulate? a. \$5,000 invested for 10 years at 10 percent compounded annually b. \$8,000 invested for 7 years at 8 percent compounded annually c. \$775 invested for 12 years at 12 percent compounded annually d. \$21,000 invested for 5 years at 5 percent compounded Click here to see answer by rfer(12654)

 Question 331443: investing: the expression 1000 (1.1)t represents the value of a \$1000 investment that earns 10% intrest per year. compounded annually for t years. find the value of a \$1000 investment at the end of each period. a. 2 years b. 3 years Click here to see answer by rfer(12654)

 Question 331910: please help me to solve this: A sum of rs24000 is lent out for 2 years at compound interest , the rates of interest being 10% for the first year and 12%for the second year. The borrower returns some money at the end of the first year and on paying rs12768 at the end of the second year the total debt is cleared.calculate the amount of returned at the end of the first year. Click here to see answer by mananth(12270)

 Question 332369: How do you do get the full answer on the calculator for Pythagorean Theorem? Do you press SHIFT = answer or do you put SHIFT Square root =? Click here to see answer by Alan3354(30993)