Ralph

Most popular questions and responses by Ralph
  1. Math

    I need help calculating the finance charge and new balance using the previous balance method. Previous balance = $179.32 Annual rate = 16% Finance charge = $ ? New purchases = $117.42 Payments/credits = $85.00 New balance = $ ? I also need help calculating

    asked on January 26, 2010
  2. physics

    As a baseball is being caught, its speed goes from 30 to 0 m/s in about 0.005 its mass is 0.145. A) What is the baseballs acceleration in m/s^2 and in g's? B) What is the size of force acting on it?

    asked on June 21, 2011
  3. english

    are the following sentences correct?the price of these jeans is reasonable. the quality of the candle is poor. bread and butter are our daily food. the books borrowed from the library are on my desk. the famous singer and composer have arrived. the boy who

    asked on September 21, 2008
  4. Chemistry

    A chunk of silver has a heat capacity of 42.8 J/degrees C and a mass of 181g. Calculate the specific heat of silver. Did I do these steps right? 42.8 Joules/degrees C / 181g = .236joules

    asked on May 19, 2010
  5. Intermediate Algebra

    The function h(t)=-16t^2+100t+300 gives the height in feet of a projectile fired from the top of a building in t seconds. A) When will the object reach a height of 350 feet? Round answer to one decimal place. B) Explain why part A has two answers.

    asked on April 21, 2012
  6. chemistry 2

    The pH of a Ba(OH)2 solution is 10.66. What is the hydroxide concentration? If the solution volume is 125ml, how many grams of Ba(OH)2 have been dissolved?

    asked on April 18, 2008
  7. Chemistry

    The combustion reaction of acetylene gas is represented by this equation: 2 C2H2(g) + 5 O2(g) ==> 4 CO2(g) + 2 H2O(g) How many grams of CO2 and grams of H2O are produced when 52.0g C2H2 burns in oxygen?

    asked on March 22, 2010
  8. Physics

    A bottle with a volume of 196 U. S. fluid gallons is filled at the rate of 1.08 g/min. In years, how long does the filling take? (The density of water is 1 g/cm3 and 1 U.S. fluid gallon = 231 in3.) 196(231)/(1.08) The answer given was 1.31 years, not sure

    asked on June 22, 2015
  9. Physics

    Two pans of a balance are 50cm apart. If the fulcrum is displaced by 1cm what percentage is the true weight marked up? the answer i got was 1.3%, please help if wrong (which it probably is).

    asked on December 10, 2010
  10. science

    would a screen be useful for separating a mixture of gravel and diatomaceous-earth powder?

    asked on March 22, 2011
  11. Bible Study

    The fact that the Flood lasted over a year is? 1. a geological evidence for the local flood theory. 2. an evidence from Genesis for the local flood theory. 3. an objection to the local flood theory. 4. all of these. I think it is 4?

    asked on January 11, 2010
  12. Intermediate Algebra

    If a projectile is fired straight upward from the ground with an inital speed of 96 feet per second, then its height (h) in feet after t seconds is given by the equation h(t)=-16t^2+96t Find the maximum height of the projectile.

    asked on April 22, 2012
  13. math

    Find the tax on a dinette with a cash price of $200 that has been reduced by 20% if the tax rate is 6.5% The taxable value of the property in the tax area is usually referred to as the ? value. 1. taxable 2. assessed Please help me with these. after these

    asked on January 12, 2010
  14. Math

    Connie wants to have an annuity payment of $2,000 at the END of every three months. How much should she deposit now at 6% interest, compounded quarterly, to yield this payment for 3 years?

    asked on November 16, 2014
  15. math

    16. If you work 37.5 hours per week at $10.65 per hour, how much is your gross pay for a two-week period? (Round off your answer to the nearest cent.) A. $399.38 B. $788.10 C. $239.26 D. $798.75 i think its c

    asked on May 23, 2014
  16. chemistry

    How many moles of oxygen are there in 23.5g of H2SO4? (numbers are subscripts)How many oxygen atoms? How many grams of oxygen?

    asked on February 15, 2010
  17. Chemistry

    Calculate the boiling points of freezing points of the following solutions in water. a) boiling point of a 2.25m solution of propylene glycol (a non-electrolyte) b)freezing point of a 1.0m solution of potassium iodide c)freezing point of a 1.0m solution of

    asked on May 2, 2010
  18. Geometry

    ABCD is a parallelogram with angle B= 120, angle C= 60, angle D= 2x+5y, and angle A= 4x+y. Find the values of x and y. Check your solution, only an algebraic solution will be accepted.

    asked on May 4, 2012
  19. Chemistry

    Calculate and compare the mass of the reactants with the mass of the products for each equation. a)2KClO3 (s) ==> 2KCl(s) + 3O2 (g) b)4NH3(g) + 6NO(g) ==> 5N2(g) + 6H2O(g) c)4K(s) + O2(g) ==> 2K2O(s) Show that each balanced equation obeys the law of

    asked on April 5, 2010
  20. Physics

    A train, initially stationary, has a constant acceleration of 0.5 m/s Squared. A) what is its speed of 15 s? B) What would be the total time it would take to reach a speed of 25 m/s?

    asked on June 14, 2011
  21. Math

    Your bank pays 9% interest, compounded annually. Use the appropriate formula to find how much you should deposit now to yeild an annuity payment of $800 at the END of each year, for 10 years?

    asked on November 16, 2014
  22. math problem solving organized list

    tonya and lauren are designing a socce r uniform.they want to use two colorson the shirt.their choices are green,purple,orange,yellow,blue and silver.how many ways can they choose two colors.

    asked on September 9, 2010
  23. math

    write an algebraic expression for each word phrase 5 more then a number divied by 9 and 3 more then the productof8 and the number

    asked on August 28, 2007
  24. math

    This problem is about pizza. You have a circular pizza and you want to slice it with n straight cuts into the maximum number of pieces possible (not necessarily all of the same size). Let Pn = this maximum number of pieces you can slice a pizza into with n

    asked on February 8, 2015
  25. math

    How many terms of arithmethic sequence with the common difference of 4. And the first is equal to 3 and the last term 59??

    asked on June 19, 2016
  26. Math, statistics, Linear Programming

    just looking for the constraints and variables. The Nestle’ Purina PetCare Company of St. Louis, Missouri, manufactures a gourmet cat food under the Fancy Feast brand. The brand includes a number of options for choices of meats, fish, and poultry in

    asked on April 16, 2011
  27. Chemistry

    A chunk of silver has a heat capacity of 42.8 J/degrees C and a mass of 181g. Calculate the specific heat of silver.

    asked on May 19, 2010
  28. math

    a snail moves along the edge of a triangular lawn ABC from A back to A . The distance AB was done 15mins, BC in 25 mins and it took the snail 40 mins to do CA. What was the average speed of the snail in centimeters per second?

    asked on May 29, 2016
  29. computer science

    how do i write a program in python for an atm machine

    asked on November 9, 2010
  30. science

    why are natural languages not suited for programming of computers?

    asked on April 20, 2010
  31. math

    how do i solve the equation for x and y y+4x=27 xy+x=40

    asked on May 23, 2008
  32. physics

    A decorative piece consists of a 20cm long uniform brass rod weighing 4N and two ornaments, one weighing 6N and one weighing 10N, fixed to the ends. At what point should a supporting chain be attached so that the ornament balances?

    asked on July 19, 2012
  33. physics

    We throw a ball horizontally at 10m/s. (a) after how much time does the trajectory form a 30 degree angle? (b)after how much time after the throw did the velocity double?

    asked on February 23, 2011
  34. physics

    a stuntman runs on a roof and without giving himself a vertical impetus, wants to land on another roof, 2m lower and 5m further horizontally. What is the minimal velocity he needs to run at?

    asked on February 23, 2011
  35. sentence

    The United States is not a democracy, it is a Republic. The United States is a democracy because the people elect its leaders. democracy Can someone help me understand how to use this word in a sentence? Correction of the run-on (comma splice): ...

    asked on April 25, 2007
  36. math

    Nilsa converted 1/12 to a repeating decimal and wrote __ 0.083 as her answer. What error did she make? ___ (Should it actually be 0.0833)

    asked on September 9, 2014
  37. summarize

    Decision making is a process by which several possibilities are considered and prioritized, resulting in a clear choice of one option over others. Decision making is a fact of life personally and in business. We make dozens of decisions each day. Some

    asked on March 8, 2013
  38. Math3

    a) A young man measuring 1.89 m. walks at a velocity of 1m/s towards a lamppost which its light is at 4m from the ground. At what velocity does the young man's shadow decrease when he's 10 m away from the lamppost? b) A young girl, standing at the edge of

    asked on April 20, 2011
  39. Math3

    a) A young man measuring 1.89 m. walks at a velocity of 1m/s towards a lamppost which its light is at 4m from the ground. At what velocity does the young man's shadow decrease when he's 10 m away from the lamppost? b) A young girl, standing at the edge of

    asked on April 20, 2011
  40. geom.

    Given a triangle ABC, draw straight lines from the vertex A to n points on the opposite side BC. (None of these n points can equal B or C.) Then do the same for the vertex B, drawing n lines from B to the side AC. Into how many parts do these 2n lines

    asked on February 8, 2015
  41. math

    Prove that it is impossible to tile an 8 × 8 checkerboard with 1 × 3 tiles

    asked on February 8, 2015
  42. math

    Among the integers from 1 to 10, 000, 000, 000 which are there more of: Those in which the digit 1 occurs or those in which it does not occur?

    asked on February 8, 2015
  43. English

    What is noun?

    asked on March 10, 2013
  44. Math2

    We pour water into a conical container of a radius of 10 cm with a height of 36cm at a rate of 70 cm^3/s. At what velocity does the water level increase when it reaches 12 cm? dh/dt=?

    asked on April 20, 2011
  45. Math

    The two sides of a isosceles triangle have a fixed lenght of 14 cm. The opposite angle at the base of the triangle increases by 0.3 rad/min. a) what is the growth rate dx/dt of the base of the triangle when the opposite angle mesures 1.6 rad? (Use the law

    asked on April 20, 2011
  46. Math

    The two sides of a isosceles triangle have a fixed lenght of 14 cm. The opposite angle at the base of the triangle increases by 0.3 rad/min. a) what is the growth rate dx/dt of the base of the triangle when the opposite angle mesures 1.6 rad? (Use the law

    asked on April 19, 2011
  47. Math (logarithmic functions)

    Those are the only ones I can't seem to resolve. Thank you! resolve x: 1) 9*3^0,51x = 315 2) 10*3^15x+21 =363*2^9x+51 3) log(15x^2) - log(3x) = 4*log(3) 4) log[of base 3]*(15x + 4) = 3

    asked on April 6, 2011
  48. Math

    given the fonction: y=3x^2-5x and x=g(t)derivable as g(14)=-4 and g'(14)=2 calculate dy/dt in t = 14

    asked on March 23, 2011
  49. Math

    For y=f(x+2)- 3 write an equation of the asymptote to the graph. Is it y=(1/x) * (x+2)-3

    asked on December 10, 2010
  50. Accounting

    A company incurs a cost for a part which is needed to repair a piece of equipment. Is the cost an asset or an expense? Explain.

    asked on December 4, 2009
  51. Calculus

    What is the difference between f'(x), y', and dy/dx?

    asked on October 26, 2009
  52. History of Puerto Rico

    Need info in English on biographies of political and cultural leaders of Puerto Rico between 1850-1950

    asked on March 26, 2013
  53. English

    I need help identifying the use of the infinitive by writing noun, adjective or adverb. 1. Am I too late to volunteer? To volunteer. 2. If you enjoy mysteries, Agatha Christie's Witness for the Prosecution is a good play to read. To read..

    asked on January 18, 2012
  54. Math

    The two sides of a isosceles triangle have a fixed lenght of 14 cm. The opposite angle at the base of the triangle increases by 0.3 rad/min. a) what is the growth rate dx/dt of the base of the triangle when the opposite angle mesures 1.6 rad? (Use the law

    asked on April 20, 2011
  55. chemistry

    What is the density of UF6 (subscript) gas? What volume would 2.35 moles of this gas occupy? (Assume STP)

    asked on February 15, 2010
  56. Geometry

    Construct a truth table ~p^q. How do we find this if we don't know what the p or q is???

    asked on January 27, 2010
  57. college

    Suppose you are playing a word game with seven distinct letters. How many seven letter words can there be? Hint:Think about scrabble. It is ok it the word is gibberish in this case

    asked on August 8, 2009
  58. Word problems using equations

    A park is 30 meters by 24 meters. It has a path of uniform width around it. Find the width of the path if its area is one fourth that of the garden.

    asked on July 17, 2016
  59. Physics

    A parachutist bails out and freely falls 64.7 m. Then the parachute opens and thereafter she decelerates at 1.88 m/s2. She reaches the ground with a speed of 3.07 m/s. What is her average speed (in m/s) for the fall? I was planning on finding the time

    asked on June 29, 2015
  60. math

    Below is a sequence an, for n = 0, 1, 2, ... n 0 1 2 3 4 5 6 7 8 9 an 25 25 19 25 61 145 295 529 865 1321 Use the method of finite differences to find a closed formula for this sequence.

    asked on February 8, 2015
  61. Intermediate Algebra

    Write with radical notation y^4/5

    asked on April 21, 2012
  62. Intermediate Algebra

    Write with rational exponents 3 square root of x^2

    asked on April 21, 2012
  63. Intermediate Algebra

    If the discriminant of a quadratic equation has the given value, determine the number and type of solutions of the equation. A.48 B.0

    asked on April 21, 2012
  64. math

    solve by substitution method: 8x-3y=-94 2x+22=y

    asked on July 24, 2011
  65. Math2

    We pour water into a conical container of a radius of 10 cm with a height of 36cm at a rate of 70 cm^3/s. At what velocity does the water level increase when it reaches 12 cm? dh/dt=?

    asked on April 20, 2011
  66. Math

    The two sides of a isosceles triangle have a fixed lenght of 14 cm. The opposite angle at the base of the triangle increases by 0.3 rad/min. a) what is the growth rate dx/dt of the base of the triangle when the opposite angle mesures 1.6 rad? (Use the law

    asked on April 19, 2011
  67. Math

    The radius of a disk grows at 2cm/s. Calculate the growth rate of the disks area when the radius mesures 7 cm. (Designate the area of the disk with A and the radius with r) A) Find the relation between A and r B) Find the derivative of this relation on

    asked on April 18, 2011
  68. Math

    The radius of a disk grows at 2cm/s. Calculate the growth rate of the disks area when the radius mesures 7 cm. (Designate the area of the disk with A and the radius with r) A) Find the relation between A and r B) Find the derivative of this relation on

    asked on April 17, 2011
  69. Math

    the concentration of a certain substance in our organism is given by the model Q9t) = Q(subscript 0) e^-0.1960t a) what quantity of substance is present in the organism of this individual 3 hours after ingestion? b) after how many hours will there only be

    asked on April 7, 2011
  70. Math2

    Given f, a derivable function and y = f (x)^3 + 40√(f(x)+12) . Knowing that f(4) = -4 and that dy/dx|x=4 = 14 , calculate f’(4)

    asked on March 23, 2011
  71. physics

    a police car is cruising on the right lane at 25 m/s (meters/sec.). A motorcycle, on the left lane, passes the police car at a constant 35 m/s. The police officer reacts fast and accelerates at a constant 5 m/s^2. (a)When does he catch up? (b)What was his

    asked on February 17, 2011
  72. Algebra

    I have no clue here. Simplify -8[0 - (97-95)]=_________.

    asked on May 26, 2010
  73. Economics

    Goods produced by the government are called? Is it Public Goods or externalities?

    asked on October 4, 2009
  1. Math

    What are the answers to the whole 8 question practice?

    posted on March 7, 2019
  2. econ

    the answer would be 24, but you have to account for the foreign rates of having different political views so its wrong. the answer is B

    posted on December 1, 2017
  3. Physics

    Penny Wedding Ring Bowling Ball Basketball

    posted on November 12, 2017
  4. physics

    boobies

    posted on October 20, 2016
  5. Inflation Exam

    $4,382.039

    posted on December 10, 2015
  6. physics

    show me the answer

    posted on October 15, 2015
  7. solid mensuration

    1.5sqrtof208 ft

    posted on September 24, 2015
  8. math

    how do you prove this?

    posted on February 8, 2015
  9. Math

    I'm not april, but thanks though

    posted on January 16, 2015
  10. physics

    13

    posted on January 6, 2015
  11. math

    Liz has a revolving credit account at an annual percentage rate of 12%. Use the average daily balance method to find the new balance given the following statement of account.

    posted on November 24, 2014
  12. physics

    no elena i believe quinton is looking for the electric field positions of Q2 and Q1 separately at different distances from each respectively

    posted on May 2, 2012
  13. Intermediate Algebra

    yes sorry i meant 3 cubed root of x^2

    posted on April 21, 2012
  14. managerial accounting

    A fast-food establishment is thinking of buying a new cooking grill and refrigeration unit. The costs of these new machines are $12,500 and $9,000, respectively. The installation costs of the new equipment will run about $800. It is estimated that 10% more

    posted on February 3, 2012
  15. english

    I have to identify the use of the infinitive in the following sentences. Infinitives begins with the word, to.... The 1st sentence is Am I too late to volunteer. The infinitive in that sentence is to volunteer. So, I have to identify the use of the

    posted on January 18, 2012
  16. math 090

    9-5

    posted on December 21, 2011
  17. English

    a)succeeded

    posted on November 25, 2011
  18. Chemistry

    34.98

    posted on November 1, 2011
  19. physics

    Yes it is .005 s. And you assume right it is 0.145 kg. I am sorry of not putting in the units. I am really struggling with Physics.

    posted on June 21, 2011
  20. Math

    tnx, I udnerstand how to do them now, cauz I have an exam tomorrow, and I just didn';t understand the way my teacher showed me, tnx again!

    posted on April 20, 2011
  21. biology

    gametophyte

    posted on April 20, 2011
  22. Math, statistics, Linear Programming

    this is what i got for problem 1. how does it look? Min Z = 0.15X1 + 0.10X2 + 0.2X3 + 0.12X4 + 0.02X5 s.t. 0.2X1 + 0.12X2 + 0X3 + 0X4 > 0.026*3 (protein) 0X1 + 0X2 + 0.42X3 + 0.36X4 > 0.137*3 (thiamine) 0X1 + 0X2 + 0.18X3 + 0.40X4 >0.143*3 (niacin) 0.06X1

    posted on April 18, 2011
  23. Math

    thank you!

    posted on April 18, 2011
  24. math

    Above is wrong. It says 1 Letter and 6 digits. so answer is 26 * 10^6 or 26,000,000

    posted on March 28, 2011
  25. physics

    thank you!

    posted on February 17, 2011
  26. Calculus (pleas help I really need to check this)

    a) -6 b) - 1/4 c) 1/2 = square root of t is 1/2(square root of t)

    posted on February 17, 2011
  27. Calculus

    -5.6 mph

    posted on December 6, 2010