# Questions on Algebra in Finance answered by real tutors!

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 Algebra in Finance Solvers Lessons Answers archive Quiz In Depth

 Question 130163: QUESTION 1 Solve the following simultaneous equations using inverse method: 2x – 3y + z = -2 x - 6y +3z = -2 3x+ 3y - 2z = 2 QUESTION 2 The intersection point between two straight lines is (3,0), where the slope is given as below: M1 = -2 dan M2 = 1 Find the equation for each of the two straight lines. Click here to see answer by madhan_math(34)

 Question 130164: QUESTION 4 The revenue function of a company is R = 36q – 2q², where p represent the price per unit of the good and q represent the quantity demanded. Find the maximum value of the revenue for the revenue function given. QUESTION 5 Find the value of x for the following logarithm functions: a) log2 16^x + log2 8 = -½ b) log3 x^2 + log3 4 = log3 1 Click here to see answer by stanbon(57282)

 Question 130943: I need help! Please help In the period of a year, an investor lost twince as much as he gained. If he originally had \$10,000 and now has \$8000, what amount did he gain and what did he lose? Please and Thank You=) Click here to see answer by stanbon(57282)

 Question 131149: compound interest \$500. 5% 10yrs compound quarterly. I know the answer is 821.81 but how. and I know the forumla ia a=p(1+ r/n)^nt help please thank you Click here to see answer by jim_thompson5910(28536)

 Question 131379: The question is: How much must you invest each quarter in a bond fund yielding 9.7% compounded quarterly to become a millionaire in 20 years? For some reason I'm completely stuck. Click here to see answer by edjones(7569)

 Question 132385: How many pounds of walnuts sell for \$4.79 per pound must be mied with 4 pounds of cashews that sell for \$4.90 per pound if the mixture is to sell for \$4.84 per pound Click here to see answer by checkley71(8403)

 Question 132798: Jane has \$10 000 to invest. She invested part of it in a term deposit that pays 4% per year and the rest of her money was invested in bonds paying 5% per year. If Jane earned \$440 in interest for one year, how much money did she invest at each rate? Click here to see answer by checkley71(8403)

 Question 133363: When managing a business, it is important to take inventory of where your money is spent. You have a monthly budget of \$5000. Refer to the table below and answer the questions that follow. Round your answers to the nearest tenth of a percent. Labor 1,835 Materials 18% Rent/utilities 25% MIscellaneous 1,015 Total 5,000 100% What percentage of the total monthly budget is spent on labor? b How much do materials cost monthly? How much do rent and utilities cost monthly? Click here to see answer by vleith(2825)

 Question 133955: Investment question - Please help with the formula, I can probably calculate myself from there. I believe I have the formula wrong. David split his \$25,000 inheritance between Fidelity Short-Term Bond Fund with an annual yield of 5% and T.Rowe Price Tax-Free Short-IntermediateFund with an annual yield of 4%. If his total income for one year one two investments was \$1140, then how much did he invest in each fund? Click here to see answer by scott8148(6628)
 Question 133955: Investment question - Please help with the formula, I can probably calculate myself from there. I believe I have the formula wrong. David split his \$25,000 inheritance between Fidelity Short-Term Bond Fund with an annual yield of 5% and T.Rowe Price Tax-Free Short-IntermediateFund with an annual yield of 4%. If his total income for one year one two investments was \$1140, then how much did he invest in each fund? Click here to see answer by Ganesha(13)

 Question 133958: This is a capacity question. when Memorial Hospital is filled to capacity, it has 18 more people in semiprivate rooms (two patients to a room) than in private rooms. The room rates are \$200 per day for a private room and \$150 per day for a semiprivate room. If the total receipts for rooms is \$17,400 per day when all are full, then how many rooms of each type does the hospital have? Click here to see answer by scott8148(6628)

 Question 134475: Bill had 8600.00 in a savings account on April 1. He then deposited 800.00 on May 5 and an additional 350.00 on June 20. Find the balance in the account on July 1 if the accounts pays 4% compunded coninuosly. I am really stuck on this one. Please help. Click here to see answer by scott8148(6628)

 Question 135128: find the unknown quantity for a account that earns simple annual interest. A=\$875. P=\$500. r=?. t=30years Click here to see answer by stanbon(57282)

 Question 135375: What is the formula to 935.00 = x + 10% Thanks Dennis Click here to see answer by edjones(7569)

 Question 135866: Is there an instance when a linear equation is not a function? ... can you give me an example....create equation of a nonlinear function with tweo inputs Click here to see answer by stanbon(57282)

 Question 135946: If you pay a total bill of \$55.00 how do I figure how much of that is taxes if the tax rate is 6.5%? Click here to see answer by stanbon(57282)

 Question 136227: VOL. X .0098 =(VOL. X .004) + (3,588) .0098V = .004V + 3,588 .0058V =3,588 V=3,588/.005 VOL. = 609,368 Click here to see answer by Fombitz(13828)

 Question 136646: Daniel's Print Shop purchased a new printer for \$35,000. Each year it depreciates (loses value) at a rate of 5%. What will its approximate value be at the end of the fourth year? Click here to see answer by smartcookie(2)

 Question 136821: It says Use the root method to solve for z: (z-4)^3=8 The answers are only odd in the back of the book for help This is an even one. I came out with the answer 8 but when i check it the answer isn't 8 Click here to see answer by scott8148(6628)

 Question 137336: 4.Your profit P is determined by subtracting the cost C (the amount of money it costs to operate a business) from the revenue R (the amount of money you earn from selling your product). Profit can be represented algebraically by the equations: Profit=Revenue-Cost OR P = R - C a) Rewrite the formula to solve for C. b) Suppose your profit for one day is \$1,281, and the cost of running the business for the day is \$1,463. What is the revenue for that day? Explain your answer. Click here to see answer by stanbon(57282)

 Question 137482: 3,400 principle earning 3% compound after 5 years find the balance in the account...? i need help with this problem.......can u please help me.i'm an high school student that needs your help! Click here to see answer by stanbon(57282)

 Question 138094: a 700\$ bond earns 3.5% simple annual interest. what is the interest earned after 21 years Click here to see answer by stanbon(57282)

 Question 138156: the tickets for a dance recital cost \$5.00 for adults and \$2.00 for children. if the total number of tickets sold was 295 and the total amount collected was \$1,220, how many adult tickets were sold? [use an algebraic solution.] Click here to see answer by stanbon(57282)

 Question 138188: Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline in January 1997 was \$1.26 and in January 2006 the price of regular unleaded gasoline was \$2.31 (Bureau of Labor Statistics, 2006). Use the coordinates (1997, 1.26) and (2006, 2.31) to find the slope (or rate of change) between the two points. Describe how you arrived at your answer. Click here to see answer by stanbon(57282)

 Question 138252: determine the final amount from the investment each situation intial amonut annual intrest rate time type of compounding \$500 5.75% 25 years monthly Click here to see answer by checkley77(12569)

 Question 138286: I am needing help with grouping, easy trinomials and Medium Trimomials Click here to see answer by solver91311(16872)

 Question 138334: 2. The coordinate graph of the backyard shows the location of trees, plants, the patio, and utility lines. (If necessary, you may copy and paste the image to another document and enlarge it.) a) What are the coordinates of Tree A? Plant B? Plant C? Patio D? Plant E? Plant F? b) The water line is given by the equation . Suppose you want to put a pink flamingo lawn ornament in your backyard, but you want to avoid placing it directly over the water line, in case you need to excavate the line for repairs in the future. Could you place it at the point (-4,-10)? c) What is the slope and y-intercept of the line in part b? How do you know? d) Suppose you want to add a sprinkler system, and the location of one section of the sprinkler line can be described by the equation . Complete the table for this equation. x y (x,y) -1 -2 -4 2 8 e) What objects might be in the way as you lay the pipe for the sprinkler? Click here to see answer by solver91311(16872)

 Question 138401: The principal is \$2,200. at 12% compounded semi-annually for 2 years. Determine the amount at the end of 2 years. Click here to see answer by checkley77(12569)

 Question 138399: with the rate of 4.5% compounded monthly over 8 years, what would you have to invest inorder to accrue \$4,605.54 total? Click here to see answer by oscargut(891)

 Question 138599: Use the compound interest formula above to compute the total amount after \$3000 is invested at 4% over 2 years compounded daily. (Use n=360). Click here to see answer by stanbon(57282)

 Question 138724: Please help me this problem tutor and thank you. If a bank compounds continually , then the formula used is A=Pe^rt where e is the constant and equals approximately 2.7183. Calculate A with continuous compounding. Round your answer to the hundredths place. Please show how you did get to this answer. Click here to see answer by stanbon(57282)

 Question 139771: The sales price of a car is \$12,590, which is 20% off the original price. What is the original price? \$14,310.40 \$14,990.90 \$15,290.70 \$15,737.50 \$16,935.80 Click here to see answer by solver91311(16872)

 Question 139913: Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline in January 1997 was \$1.26 and in January 2006 the price of regular unleaded gasoline was \$2.31 (Bureau of Labor Statistics, 2006). Use the coordinates (1997, 1.26) and (2006, 2.31) to find the slope (or rate of change) between the two points. Describe how you arrived at your answer. Click here to see answer by checkley77(12569)

 Question 139983: A \$25 shirt was marked up 20% then discounted by 20%. What is the new price of the shirt? Mr.Cameron deposited \$2,000 into a bank account, earning 3% simple interest for 5 years. How much money is in the account after that period of time? Mr.Egelko is paid a 15% comission for a math game he sells. What is his comission on a game that sells for \$25? Ms. Click here to see answer by checkley77(12569)

 Question 140370: If a price of \$4 goes up to \$10, what is the percent increase? If a price of \$10 goes down to \$4, what is the percent decrease? Thankyou.. Shelly Click here to see answer by checkley77(12569)
 Question 140370: If a price of \$4 goes up to \$10, what is the percent increase? If a price of \$10 goes down to \$4, what is the percent decrease? Thankyou.. Shelly Click here to see answer by Fombitz(13828)

 Question 140492: I am trying to find out the price and item should be when I know the margin and cost. Say: X - 11 = .31 ------- X I know it's simple but it's been a while. I've tried moving things around and got X = cost ---- .31 but that doesn't work Thanks for the help Click here to see answer by jim_thompson5910(28536)

 Question 141024: Describe what the graph of interval [-4,10] looks like. Click here to see answer by vleith(2825)

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