# solve for the indicated variable: a. temperature formula solve for F: K=5/9(F-32)+273 b. annual interest rate solve for R: A=P+Prt

78,423 results
1. ## algebra

The formula F=95(K−273.15)+32 converts a temperature from kelvin K to degrees Fahrenheit F. a. Solve the formula for K. b. Convert 180ºF to kelvin K. Round your answer to the nearest hundredth. The solution is about K.

2. ## Algebra

The formula I = PRT where I = Interest, P = principal, R = rate, and T = time is used to calculate the amount of simple interest earned. Solve this formula for T.

3. ## math

Please someone show me how to work this one out? Suppose Caroline is a cinephile and buys only movie tickets. Caroline deposits \$3000 in a bank acct that pays an annual interest rate of 20%. You can assume that this interest rate is fixed-that is, it

4. ## math

Find the monthly interest payment in the situation described below. Assume that the monthly interest rate is 1 divided by 1/12 of the annual interest rate. You maintain an average balance of ​\$780 on your credit​ card, which carries a 15​% annual

5. ## algebra

Solve the formula for the variable given. P = r-c/n solve for c. (business) I have worked this problem so many times I'm getting confused. please help. Thanking you in advance

6. ## Algebra

The formula for simple interest is l=Prt, where p is the principal, r is the interest rate, and t is time. Solve for P

7. ## algebra

solve for the indicated variable: a. temperature formula solve for F: K=5/9(F-32)+273 b. annual interest rate solve for R: A=P+Prt

8. ## Finance

Find the future value of \$10,000 invested now after five years if the annual interest rate is 8 percent. a. What would be the future value if the interest rate is a simple interest rate? b. What would be the future value if the interest rate is a compound

9. ## math

An investment of \$2500 is made at an annual interest rate of 5.5% .How much additional money must be invested at an annual simple interest rate of 8% so that the total interest earned is 7% of the total investment?

10. ## simple interest

A total of \$8000 is deposited into two simple interest accounts. On one account, the annual interest rate is 10%, while on the second account the annual simple interest rate is 12%. How much should be invested in the 10% account so that the total annual

11. ## Math

A cold yam is put into a hot oven, the temperature of the yam begins to rise. The rate R in degrees per minute at which the temperature rises is governed by Newton's Law of Heating, which says that the rate is proportional to the temperature different

12. ## algebra

solve the formula for the indicated variable solve the volume of a rectangular prism v=lwh, for h

13. ## math

Complete the table for a savings account in which interest is compounded continuously. initial investment = \$600 annual % rate = ? time to double ? Amount after 10 years = \$19,205.00 I have no idea how to solve this.

14. ## economics

Picabo borrows \$1,000. To repay the amount she makes 12 equal monthly payments of \$90.30. Determine the following: (a) The effective monthly interest rate (b) The nominal annual interest rate (c) The effective annual interest rate

15. ## Algebra

An executive invests \$28,000, some at 8% and the rest at 5% annual interest. If he receives an annual return of \$1,760, how much is invested at each rate? at 8% interest \$ at 5% interest

16. ## Math

Suppose a deposit of \$3,500 in a savings account that paid an annual interest rate r (compounded yearly) is worth \$3,910 after 2 years. Using the formula A=P(1+r)^t, we have 3,910=3,500(1+r) ^2Solve for r to find the annual interest rate (to the nearest

17. ## Math

The formula for simple interest is where I is the amount you will pay in interest, r is the rate at which interest will accrue, P is the principal (amount borrowed), and m is the number of times the interest is applied. To solve for the interest rate of

18. ## algebra

A total of \$6200 is deposited into two simple interest accounts. On one account the annual simple interest rate is 2%, and on the second account the annual simple interest rate is 4%. The amount of interest earned for 1 year was \$148. How much was invested

19. ## Algebra2

An executive invests \$28,000, some at 8% and the rest at 5% annual interest. If he receives an annual return of \$1,760, how much is invested at each rate? at 8% interest at 5% interest

20. ## Math

I need help with this I keep putting the numbers in wrong on the formula ! PLEASE HELP Price of article = \$315.50 Down payment = \$31.55 Monthly payment amount = \$16.50 Duration of payments = 20 months True annual interest rate to the nearest tenth = %

21. ## pre calculus

Jack invests \$1000 at a certain annual interest rate, and he invests another \$2000 at an annual rate that is one-half percent higher. If he receives a total of \$190 interest in 1 year, at what rate is the \$1000 invested?

22. ## Math

Interest is a concept familiar to most people: every credit card in existence has a term called annual percentage rate (APR), which is an interest rate. Suppose you charged \$1,000 to a credit card that has a minimum payment each month equal to the interest

23. ## Finance

A wealthy donor endows a chaired professorship. If the interest rate is 8% how much must he set aside to provide the following end of year salary payment alternatives? a. \$100,000 per yr for 20 yrs b. \$100,000 per yr in perpetuity c. A perpetuity that pays

24. ## Math

What is the difference between an equation and an expression? Include an example of each. Can you solve for a variable in an expression? Explain. Can you solve for a variable in an equation? Explain. Write a mathematical phrase or sentence for your

25. ## Algebra22222!!!

Choose the ordered pair that is a solution to the system of equations. 3x - y = 10 -x + y = -4 (3, -7) (-1, 3) (3, -1) (3, 1) Follow the example I gave in your previous question. I'm not going to do all of them. You want to eliminate one of the variable

26. ## Math

Interest is a concept familiar to most people: every credit card in existence has a term called annual percentage rate (APR), which is an interest rate. Suppose you charged \$1,000 to a credit card that has a minimum payment each month equal to the interest

27. ## Math

Interest is a concept familiar to most people: every credit card in existence has a term called annual percentage rate (APR), which is an interest rate. Suppose you charged \$1,000 to a credit card that has a minimum payment each month equal to the interest

28. ## compound interest

How do I solve these problems? Complete the table for a savings account in which interest is compounded continuously. 1. Initial Investment: \$1000 Annual % Rate: 3.5% Time to Double: ? Amount After 10 Years: ? 2. Initial Investment: \$750 Annual % Rate: ?

29. ## Intermediate Algebra

Suppose you have a credit card debt of \$6000. Last month, the bank charged you \$85 interest on the deb. The solution to the equation is 85=6000/12 r represents the annual interest rate on the credit card. Find the annual interest rate on the credit card.

30. ## Math

What annual rate of interest will enable \$800 to grow to \$1000 in three years? cant seem to derive the formula for this one, normal compound interest isnt working for me

31. ## algebra

The formula I=PRT gives the amount of simple interest I earned by principal P at an annual interest rate R over T years. Solve this formula for P.

32. ## math

using the interest formula A=P(1+r/n), solve for the indicated variable. solve for P

33. ## Math

1. How long will it take to triple your investment if you are earning a simple interest 5 percent annually? a) 12.5 years b) 15 years c) 20 years d) 40 years 2. If the interest rate per compounding period is 2.3% and the annual interest rate is 9% what is

34. ## Calculus

A \$99,000 mortgage for 30 years at 9% APR requires monthly payments of \$796.58. Suppose you decided to make monthly payments of \$1,100. When would the mortgage be completely paid? I am using a present value of annuity eguation but don't know how to solve

35. ## algebra

solve for the indicated variable: a. temperature formula solve for F: K=5/9(F-32)+273 b. annual interest rate solve for R: A=P+Prt im posting this the second time, but the first reply i got didn't help much :( can you show me how to do at least one of

36. ## math

how long will it take to earn \$787.50 on \$5000 at 5 1/4%(percent) what is the rate it is compounded? annually, semi-annually, monthly, what? dat information is not given aren't you supposed to be using the interest rate formula? if so, then u have two

37. ## ALGEBRA

An investor has \$500 more invested at 7% than he does at 5%..If his annual interest is \$515, how much does he have inested at each rate?....I need to know how to solve this problem...Do I use PRT=I(interest) formula..please someone help me with the

38. ## Math

Andy has set up an ordinary annuity to save for his retirement in 16 years. If his semi-annual payments are \$250 and the annuity has an annual interest rate of 7.5%, what will be the value of the annuity when he retires? How do I solve this equation? What

39. ## eco

Suppose a person pays \$80 of annual interest on a loan that has a 5 percent annual interest rate. The loan amount is: A. \$400. B. \$1,600. C. \$160. D. \$85. 10. Suppose a loan customer is considering two alternative \$22,000 loans. Loan 1 requires payment of

40. ## Math

Find the interest if \$ 9,000 is invested at an annual simple interest rate of 8 % for 3 years. Use the formula I = P × R × T , where I is the interest earnings, P is the principal, R is the annual rate and T is the time, expressed in years. (a) \$ 216,000

41. ## math

Using the formula, compute the true annual interest rate. Loan amount = \$9,500 Monthly payments = \$227.50 Time of loan contract = 5 years True annual interest rate (to the nearest tenth) = _____.

42. ## Math

How do you solve the equation for finding the principal when the interest, rate, and time are given? I know the formula P=Interest over rate x time. how do you find the solution or amswer?

43. ## math

you have deposited 1000 dollars in your savings account with n annual interest rate of 4 percent compounded monthly. how much money are you going to have in your account after six months? [(1+ 0.04/12)]^6 x 1000 = ?? is the answer 1020.164? You got it.

44. ## math

the formula K = C + 273 is used to covert temperatures from degrees Celcisu to Kelvin. Solve this formula for C.

45. ## math

This problem has to do with exponential models. The question says, you deposit \$1600 in a bank account. Find the balance after 3 years for each of the following situations. The first one says: 1. The account pays 2.5% annual interest compounded monthly. 2.

46. ## math

Money is invested at two rates of interest. One rate is 8% and the other is 2%. If there is \$1000 more invested at 8% than at 2%. Find the amount invested at each rate if the annual interest from both investments is \$310. Let x amount invested at 8% and y

47. ## Plz Hel, word problem:)

I have tried hard to solve, but I'm stuck.... Let’s use our knowledge of quadrantic equations to analyze a real world business application. If P dollars is invested at r rate of interest compounded anually t years, then the amount of money, A,

48. ## math

1.solve for the given variable: x + 1/2 = 1 1/2 3/4 1*** 2 3 2. solve for the given variable: 10/13n = -30/39 -20/13 0 100/169 -1*** 3. solve for the given variable: k-3/4 = 10 43 5.5*** 37 52 PLEASE HELP ME WITH MY MATH!!!!

49. ## math 1324

a natural history museum borrowed \$2,000,000 at simple annual interest to purchase new exhibits. Some of the money was borowed at 7%, some at 8.5%, and some at 9.5%. Use a system of linear equations to determine how much was borrowed at each rate if the

50. ## math

Food prices have been rising at a rate of 4% per year for several years. If the annual cost of food for a typical family of four is \$10,500 today, what would it have been 15 years ago? Do I use the A=P(A+rt) formula? It doesn't seem like the compound

51. ## HELP! MATH

cold yam is put into a hot oven, the temperature of the yam begins to rise. The rate R in degrees per minute at which the temperature rises is governed by Newton's Law of Heating, which says that the rate is proportional to the temperature different

52. ## Math

We have an important chemsitry test due and I want to make sure that I do not mess up on my algebra. I am dealing with the integrated rate law, but my question is purely algebraically in nature. I hope, somebody can help me. 1) ln(A) = -kt+ln(B) solve for

53. ## Math

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Yvonne put \$4,000 in a savings account. At the end of 3 years, the account had earned \$960 in simple interest. How much does she have in her account at

54. ## Math

Solve each formula for the indicated variable V=xr^2h solve for h. HElp please.

55. ## math

solve for the indicated variable: a. temperature formula solve for F: K=5/9(F-32)+273 b. annual interest rate solve for R: A=P+Prt can you please show how to do these? thanxx =)

56. ## algebra

how would i work out the following problems solve each formula in terms of the given variable 1. 5d-2g=9 ;g The formula A=2h(l+w) gives the lateral area a of a rectangular solids with length l, width,w and height h. 2. solve this formula for h 3. solve

57. ## algebra

Ok my math assignments look something ike this... The formula I=prt gives the amouunt of simple interest I earned by principal p at an annual interest rate r over t years. Solve this formula for p. B. Find p if r=0.035, t=4, and I=\$420. c. Writing.. That

58. ## algebra

Solve the indicated variable: 1. Volume of a cone: solve for h: V=¨ir^2h/3 2. Temperature formula: solve for C: F=9/5C+32 pleaseeeee help me solve these! plzzz! i have nooo idea how to do these. THANKS! =)))

59. ## Algebra

There are 4 problems that I don't understand how to solve so, please help me. A numerical explanation with words explanation would be nice. Thank you tutors. Rewrite each equation so it is in the form ax + b = c or x + d/e = f, where x is a variable. Then

60. ## pre algerbra

susan bought a 6 month \$1,700 certificate of deposit.At the end of six months she received \$63 simple interest. what annual rate of interest did the certificate pay? In a year then it would be 2 times \$63 So \$1700 times the rate of interest (we will call

61. ## Math

How do I do this? -- can anyone give me a formula to find the answers? Example: Find the annual rate of simple interest~ P: 5000 / I: 650 / T: 3 years. PV = nRT I=PRT so solving for R we get R=I/(PT) plug in your values and evaluate. Your answer will be a

62. ## math 213

The effect of depreciation can be computed using a formula similar to the formula for compound interest. a. Assume depreciation is the same each month. Write a problem involving depreciation and solve it. b. Develop a general formula for depreciation

63. ## math

Using the formula, compute the true annual interest rate. Loan amount = \$9,500 Monthly payments = \$227.50 Time of loan contract = 5 years True annual interest rate (to the nearest tenth

64. ## Finance

The Carter Company's bond mature in 10 years have a par value of 1,000 and an annual coupon payment of \$80. The market interest rate for the bond is 9%. What is the price of these bonds The coupon rate on the bond, (interest/principal at maturity) = 8%

65. ## Algebra

Please Help. How long, to the nearest tenth of a year, will it take \$12,500 to grow to \$20,000 at 6.5% annual interest compounded quartely? (Use the formula for compound interest with n compoundings per year to solve for t.)

66. ## math

Did I solve correctly? I don't know any other way to solve the question. The cost of utilities, taxes and maintenance on a home is \$3,000 per year. Calculate the amount of money that would have to be invested now at 8% annual interest rate to cover these

67. ## math

Did I solve correctly? If my answer is wrong, can somebody show I how to solve the question? Your home mortgage is \$300,000 for 30 years with annual interest rate of 7%. Calculate the monthly payment. 300,000*(.07/((1+.07)^30)-1))= 3,175.92

68. ## math

find the effectivee rate correspoding to 3% compounded quarterly The formula for effective rate I found is (1+ i/n)^n - 1 where i is the annual rate as a decimal and n is the number of periods. Here i=.03 so the effective rate is and n is 4 since there are

69. ## math

can someone help me figure these literal equation out? I did them before but my teacher said they were incorrect. Questions~~ Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d ( I didn’t

70. ## Algebra

Jon invested a total of \$40,000 in 3 different bank accounts. One pays an annual interest rate of 3%, the second account pays 5% annual interest and the third account pays 6% annual interest. In one year, Jon earned a total of \$1960 in interest from these

71. ## programming

Having troube with java, i am not a regular programmer, if anybody can help me out writting this program: write a program that takes two numbers from the java console representing, respectively, an investment and an interest rate(you will expect the user

72. ## math

can someone show me how to figure these literal equation out? I did them before but my teacher said they were incorrect. Questions~~ Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d ( I

73. ## 8th grade math - system of equations

I'm not sure how to solve these. Solve using any method (substitution or elimination) 23. The sum of two numbers is 27. The larger number is three more than the smaller number. What are the two numbers? Ans: l = large; s = small l + s =27 and l = 3S 3s + s

74. ## chemistry class

i posted this question a few minutes ago i tried to solve it on my own can someone check if my work is okay? The data in the table below were obtained for the reaction: A + B → P 3 Experiments 1 (A) (M): 0.273 (B) (M): 0.763 Initial Rate (M/s): 2.83 2

75. ## Pre-Algebra

Please help to solve to find x,y 1. y=7x-3 2. 4x+2y=8 Take the value of y in the first formula and substitute it for y in the second formula. Solve the second formula for x. Once x is found, solve for y in the second formula. Check by inserting both values

76. ## math

can someone show me how to do these problems? Please? I really don't know how to answer them. I would really appreciate it... Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d 10. 3x - y =

77. ## math

can someone show me how to do these problems? Please? I really don't know how to answer them. I would really appreciate it... Solve the following formula for the variable indicated 9. r = d/t, where r = rate, d = distance, and t = time for d 10. 3x - y =

78. ## economics

Suppose Caroline is a cinephile and buys only movie tickets. Caroline deposits \$3000 in a bank acct that pays an annual interest rate of 20%. You can assume that this interest rate is fixed-that is, it won’t change over time. At the time of her deposit,

79. ## algebra

Money is invested at two rates of interest. One rate is 8% and the other is 2%. If there is \$1000 more invested at 8% than at 2%. Find the amount invested at each rate if the annual interest from both investments is \$310. Let x amount invested at 8% and y

80. ## Math for Professionals

You find that a small business loan in the amount of 50,000 is the amount you need to purchase the restaurant location. After researching banks to find the best interest rate, you find that banks for small businesses offer the best interest rate of 9%

81. ## math

Model this situation w/ a linear system: Melissa borrowed \$10, 000 for her university tuition. She borrowed part of the money at an annual interest rate of 2.4 % and the rest of the money at an annual rate of 4.5 %. Her total annual interest payment is \$

82. ## Financial management

Im having a little trouble can someone please help me. Im not sure if my answers were right or what the rest would be. 1. _________C__________ is the interest rate in which NPV equals zero. a. Required Rate of Return b. Annual percentage rate (APR) c.

83. ## Math Personal Finance

Assume we invest \$2000 for one year in a savings account that pays an APR (Annual Percentage Rate) of 10% compounded quarterly. The compound interest formula is: Balance after t periods = Principal × (1 + r)t The final balance using the compound interest

84. ## Finance - Loans problem

Can someone please explain how this problem is laid out to solve.A company borrows \$170000, which will be paid back to the lender in one payment at the end of 5 years. The company agrees to pay monthly interest payments at the nominal annual rate of 7%

85. ## math

An investment of \$3,000 is made at an annual simple interest of 5%. How much additional money must be invested at an annual simple interest rate of 8%, so that the total annual interest earned is 7.5 of the original amount that you invested? My answer:

86. ## Kirr

*solve execises by using compounded interest formula Principal \$ 700 Time period 8years nominal rate (%) 1.5 Interest compounded monthly Compound amount ? Compounded interest ? *need to find the compound amount and compound interest

87. ## Calculus

A cold yam is put into a hot oven, the temperature of the yam begins to rise. The rate R in degrees per minute at which the temperature rises is governed by Newton's Law of Heating, which says that the rate is proportional to the temperature different

88. ## Algebra 2

I know that were doing problems were there is a soultion given which is equal to X^? times a constant ... y = k x^? So this is problem I have to decide given a probelm x relationship to y (for example iverse square cube and so forth) this unkown variable

89. ## Math

An investment of \$3,000 is made at an annual simple interest of 5%. How much additional monery must be invested at an annual simple interest rate of 8% so that the total annual interest earned is 7.5 of te original amount that you invested?

90. ## math

also, what formula would i have to use for this: Effective Rate An advertisement for E*TRADE bank boasted "We're ahead of banks that had a 160-yr start," with an APY (or effective rate) of 2.01%.* The actual rate was not stated. Given that interest was

91. ## Math

How should I approach this, what formula do I use to solve and how do I solve it? How long, to the nearest year, will it take me to become a millionaire if I invest \$3000 at 9% interest compounded continuously? Thanks

92. ## chem - check my answers?

i already posted this but i tried to solve it on my own can you check at the end of this paragraph? The study of kinetics group 1: Temp: 12.6 C T(K): 12.6+273= 285.6 1/T(K): 3.50X10^-3 this one is the x value Time: 816 sec Rate ®: 7.66 x10^-6 LnR: -11.8

93. ## MATH

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Yvonne put \$4,000 in a savings account. At the end of 3 years, the account had earned \$960 in simple interest. How much does she have in her account at

Solve the following by using the present value formula. Compound Amount- \$675 Term of Investment-15 months Nominal Rate (%)- 2.7 Interest Compounded quarterly Present Value ___________? Compound Interest _________?

My investment in Edgewater stocks is losing half its value every 2 years. Find and interpret the associated decay rate. If I use the formula y=100(1/2)^x (

96. ## math

An investment club placed \$36,000 into two simple interest accounts. On one account, the annual simple interest rate is 8.5%. On the other, the annual simple interest rate is 3.5%. How much should be invested in each account so that both accounts earn the

97. ## Essex

An investment club placed \$33,000 into two simple interest accounts. On one account, the annual simple interest rate is 6.5%. On the other, the annual simple interest rate is 4.5%. How much should be invested in each account so that both accounts earn the

98. ## Maths

The formula for a simple interest rate is I = PRT and Total Balance = P + I The formula for compound interest is B = P × (1 + 〖r/n)〗^nt Adam invests £55,000 at interest rate of 4% per annum

99. ## calculating annuity

IF a company will generate 80,000 in annual revenue each year for the next eight years and the interest rate is 8.2% what is the present value of the savings? An EXCEL spreadsheet will be helpful for these types of calculations. Let S1 be savings in year

100. ## math

You inherit \$18750 but the conditions are that for the first year, the money must be invested in two stocks paying 10% and 11% interest, respectively. How much should be inbested at each rate if the total interest to be earned for the year at \$1962.51? Be