Tricia

Popular questions and responses by Tricia
  1. Algebra

    A student scores 83 and 91 on her first 2 tests. Write and solve a compound inequality to find the possible values for a 3rd test score that would giver her an average between 85 and 90 inclusive. I know she has to score between 81 & 96 but I'm not sure

    asked on October 4, 2014
  2. Chemistry help needed

    How do I prepare 90% formic acid from conc. formic acid (98%-100% of density 1.22g/ml)? Please help me check if my calculations are correct. Assuming conc. formic acid is 99%, 0.99 X 1.22 = 1.2078 Add 1.2078 / 9 = 0.1342ml H2O to 1ml of conc. acid to have

    asked on December 17, 2008
  3. Statistics

    According to a survey, 21% of residents in a country over age 25 had earned at least a bachelor's degree. You are performing a study and would like at least 10 people in the study to have earned a bachelor's degree. a)How many residents of the country do

    asked on June 24, 2012
  4. Algebra

    What is a solution for-the inequality y>1.9? -9 -2 2 1.9 My answer is if it has to be greater then 1.9 the answer must be 2.0 from those 4 choices.

    asked on October 4, 2014
  5. trig

    A spring is attached to the ceiling and pulled 17 cm down from equilibrium and released. After 3 seconds the amplitude has decreased to 16 cm. The spring oscillates 13 times each second. Assume that the amplitude is decreasing exponentially. Find an

    asked on August 17, 2014
  6. Pre Calc

    from the top of a 250 ft lighthouse the angle of depression to a ship in the ocean is 18 degrees. how far is the ship from the base of the light house?

    asked on March 22, 2011
  7. Finance

    If I have $40,000 of pre-tax what are the differences between $1,000 tax credit versus a $1,000 tax deduction for a single taxpayer in the 25% tax bracket?

    asked on August 2, 2013
  8. Mathmatics

    a. Use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine: (cos^4)x (or cos*x to the 4th power) b.Use an appropriate Half- Angle Formula to Find the Exact value of the expression: 1. tan 15(Degrees) 2. cos

    asked on March 3, 2014
  9. Science

    How do I prepare 1% H2SO4 from concentrated sulphuric acid (96% with density 1.84g/ml)? Thank you very much for your help.

    asked on December 2, 2008
  10. world civilization 2

    which of the following pairings is correct? Berthe Mariost-cubist, Emile Zola-abstractionist, Vasily Kandinsky-abstract, gustav flaubert-romanticsm

    asked on January 22, 2013
  11. Math

    How is finding a part of a whole similar to finding a part of a set? How is it different?

    asked on November 14, 2016
  12. PHYSICS

    1.)what is the magnitude of the force experienced by a proton moving at 3 km/s inside magnetic field of strength 0.05T 2.)an electron is moving at 2x10^5 m/s through a uniform magnetic field of 1.4x10^-3 T.what is the magnitude of magnetic force if the

    asked on September 22, 2015
  13. chemistry

    My motorcycle has a capacity of 4.5 gal of octane. If I combust all of the octane, what is the volume of CO2 generated by my motorcycle on one tank of gas? Assume that I burn all of the octane into CO2 on a warm day in June, where it is 80 degrees F

    asked on March 6, 2014
  14. chemistry

    A sample of aluminum metal containing 9.1080 x 10 to the 25 power atoms is drawn into a cylindrical wire with radius r=0.833 mm. how long must the wire be in meters?

    asked on February 2, 2014
  15. parts of speech

    Which verb tense indicates continuing action? A. Present B. Past perfect C. Future D. Progressive

    asked on November 19, 2013
  16. MATH116

    Two forces of magnitudes 60 Newtons and 80 Newtons make an angle of 30 with each other and are applied to an object at the same point. Find the following: 1. the magnitude of the resultant force, and 2. to the nearest degree the angle it makes with the

    asked on February 10, 2013
  17. Science, Chemistry

    I have been told that to prepare 1L of 70% H2SO4 from concentrated sulphuric acid (96% with density 1.84g/ml), I should use the following equation to find out the volume of conc. acid needed (Vml). V x 1.84 x 0.96={(1000-V)+ 1.84V}0.7 i.e. V= 594ml of conc

    asked on December 3, 2008
  18. science

    Is the universe finite or infinite? What is the universe made of?

    asked on April 3, 2020
  19. math

    -(-2)^3+0.2-/2-11/-4=-5 How to show work for the answer -5

    asked on November 12, 2016
  20. English

    How do I diagram this Sentence?? Then said she, Sit still, my daughter, until thou know how the matter will fall: for the man will not be in rest, until he have finished the thing this day

    asked on April 6, 2016
  21. Math

    I need help with setting up this problem. It took Melanie 1/3 of an hour to ride her bike 2 3/4 of a mile. How many miles per hour can Melanie ride her bike?

    asked on January 15, 2016
  22. Roque

    An equal number of pennies, dimes, and quarters were used to convert $18 to coins. How many coins, in total, were used?

    asked on December 3, 2015
  23. chemistry

    If 5.00 g of PCl5 is reacted with excess water, how many grams of H3PO4 and HCl would be produced?

    asked on October 20, 2015
  24. math

    On the first day in each month, Enid deposited $4 into her bank account and Jim deposited $3 into his. They opened these accounts on May 15, 1990. On December 31, 1990, they each had $72 dollars in their account. How much did each person deposit on May 15?

    asked on August 21, 2015
  25. math

    a sprinkler is placed in the corner of a rectangular yard,if the sprinkler has a of reach 26 feet and the yard is 30 feet long and 40 feet wide how many square feet of the lawn will not be watered by the sprinkler? 30ft-26ft = 4ft, 40ft-26ft=14 14ft * 4ft

    asked on May 14, 2015
  26. Geometry

    John is painting the side of a building that is 30ft tall. The ladder is at a 68 degree angle with the ground. while standing on the ladder the highest point John can reach is 4 ft above where the ladder touches the wall. What is the shortest ladder John

    asked on March 13, 2015
  27. Algebra 2

    I've been stuck on this problem forever. Can someone please explain to me what to do from here? The design of a digital box camera maximizes the volume while keeping the sum of the dimensions at 6 inches. If the length must be 1.5 times the height, what

    asked on January 15, 2015
  28. Algebra

    A soda machine has flavors cola, root beer, an lime.Second machine has lemon, orange, cola, and cherry. What represents all flavors in the 2 machines? My answer: cola, cola, root beer, lime, lemon, orange, and cherry

    asked on October 4, 2014
  29. Finite Math

    Malika Agwani starts her career at the age of 25 and makes equal monthly deposits for 35 years into an annuity that earns 6.25% compounded monthly. She plans on retiring the age of 60 and would like to withdraw $3000 monthly for 25 years, bringing the

    asked on October 1, 2014
  30. Finite Math

    Laurie and Craig have purchased a new home. They paid $25,000 down and have a 15-year mortgage for which they pay $980 per month. If the interest is 8.25% compounded monthly, what did the house that Laurie and Craig purchased originally cost?

    asked on October 1, 2014
  31. chemistryyy

    The escape velocity of planet earth is 11.2 km/s. At what temperature would helium atoms be able to escape the earth's gravitational pull? (Note: you're calculating the average speed here, which means roughly 50% of the atoms would escape at any given

    asked on March 6, 2014
  32. Please help Math

    a. Use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine: (cos^4)x (or cos*x to the 4th power) b.Use an appropriate Half- Angle Formula to Find the Exact value of the expression: 1. tan 15(Degrees) 2. cos

    asked on March 3, 2014
  33. Chemistry please help

    In lab, I weighed out and found the molarity of 1.108g Na2C2O4 and 1.100g K3Fe(C2O4)3. I titrated an average of 0.0335L of the sodium oxalate solution with KMnO4(potassium permanganate). I then titrated an average of 0.0169L of K3Fe(C2O4)3 X 3H2O with

    asked on February 26, 2014
  34. Lab/Chemistry

    In lab, I weighed out and found the molarity of 1.108g Na2C2O4 and 1.100g K3Fe(C2O4)3. I titrated an average of 0.0335L of the sodium oxalate solution with KMnO4(potassium permanganate). I then titrated an average of 0.0169L of K3Fe(C2O4)3 X 3H2O with

    asked on February 26, 2014
  35. chemistry

    using the ideal gas law or the combined gas law,why does the air pressure inside the tires on my motorcycle increases during the time I am riding it. Consider what factors are being kept constant and what are changing and how. What if I weigh alot?

    asked on February 24, 2014
  36. chemistry

    My motorcycle has a capacity of 4.5 gal of gasoline. If I combust all of the octane to power my motorcycle, what is the volume of CO2 generated from just my motorcycle on one tank of gas?Assume that I burn all of the gasoline into CO2 on warm day in June,

    asked on February 23, 2014
  37. chemistry

    50.0ml of an aqueous solution of 2.50M H3PO4 are mixed with 75.0 ml of an aqueous solution of 4.00 M Ca(OH)2. The resulting precipitate is washed and isolated using filtration. What mass of Ca3(PO4)2 is obtained?

    asked on February 9, 2014
  38. chemistry

    Rhodium metal currently costs $1251. per troy ounce (note this is different than a regular ounce! 1 troy ounce = 31.1035g). What would the cost be in dollars to purchase enough gold to form a solid square based pyramid with base dimensions 0.750m by 0.750m

    asked on February 2, 2014
  39. math

    tha are of a rectangular wall of a barn is 72 square feet. its length is 10 feet longer than twice its width. find the length and width of the wall of the barn

    asked on January 23, 2014
  40. Algebra

    Simplify radical terms, including fraction power expressions. Review the expression below and describe how to simplify the expression: ã100 Please help, I just do not know how to describe this.

    asked on September 26, 2013
  41. Algebra

    Simplify radical terms, including fraction power expressions. Review the expression below and describe how to simplify the expression: 16 1/2 Please help, I just do not know how to explain this.

    asked on September 25, 2013
  42. Algebra

    I am not sure how to solve this problem. Could someone please help and explain the proper steps. Determine the annual net cost if the Annual interest of 2.5% is paid if the balance exceeds $750, $8 monthly fee if the account falls below minimum balance

    asked on August 6, 2013
  43. Algebra

    I am not sure how to solve this problem. Could someone please help and explain the proper steps. Annual interest of 2.5% paid if the balance exceeds $750, $8 monthly fee if the account falls below minimum balance $815, account falls below $750 during 4

    asked on August 6, 2013
  44. accounting

    How do I figure out taxes associated with stock purchased in 2010 for $1000 held for 5 mths. Then sold for $1200 I am in the 28% tax bracket? (I must use the IRS regulations for capital gains in effect in 2010.) I really want to understand how to work this

    asked on August 1, 2013
  45. Algebra

    I do not the correct steps to solve for this problem. I know I have to first remove the negatives but from there I get confused. This is all the further I could get. Please help. The negative numbers are powers and the problem is a fraction. C-3D-2 C3D2

    asked on July 25, 2013
  46. Math

    How do I figure out -144/4 to find out if it is a natural number,a whole number, an interger, if it is a rational or irrational number,or a real number? I don't want direct answers i would like to understand how I would go about solving to figure it out on

    asked on July 24, 2013
  47. math

    theta is an angle in standard position with a domain of 0 degrees < theta < 350 degrees and cot theta = -(24)/(7). Find all possible values of theta (accurate to 0.1 degree if necessary).

    asked on March 30, 2013
  48. chem

    As little as 1.oomg of Arsenic in 1-L of water can kill you. Calculate the following. Assume the density of the solution is 1.00g/cc. a.) How many moles of arsenic in 1 mg? b.) What is the mass percent of the solution? c.) What is the concentration in ppm

    asked on December 8, 2012
  49. chem

    A 0.050 L solution of H2SO4 requires 200.0 mL of 4.0 M NaOH for phenophthalein to turns pink to colorless. What is the molarity of the original H2SO4 solution? I got 4M but my instructor said it's 8M how did he get that? Pls need help figuring it out.

    asked on December 7, 2012
  50. chemistry

    Processed cheese must be at a pH of 5.5 to 5.9 to prevent the growth of unwanted microorganisms. If sample of cheeese has an [OH^-]of 7.76*10^-9, what does it mean? Show calculation. I really need help with please. Kindly show me !@#$%^& to compute it

    asked on December 5, 2012
  51. math

    How many athletic association membership cards 1 3/8 inches wide can be cut from stock 24 3/4 inches wide?

    asked on November 17, 2012
  52. math

    Katie had a pack of twenty four cards numbered 1- 24. She arranged the cards into 6 piles. No more than 2 piles had the same number of cards the numbers on the cards in each pile added to the same total. What was the total and how could this be solved

    asked on October 2, 2012
  53. math

    A student has a mean score of 88 on five tests taken. What score must she obtain on her next test to have a mean (average) score of 80 on all six tests?

    asked on April 15, 2012
  54. science

    which solution is made entirely of gases? cough syrup,soda,helium,or clean air.

    asked on September 29, 2011
  55. algebra 2

    during the first part of a trip, a canoeist travels 47 miles at a certain speed. the canoeist travels 16miles on the second part of the trip at a speed 5mph slower. the total time for the trip is 4 hours. what was the speed on each part of the trip.

    asked on April 11, 2011
  56. geometry

    YW is a bisector of

    asked on September 18, 2010
  57. ISCOM

    Taylor Inc. manufactures widgets. There is a particular assembly line for Widget X. This assembly line includes the assembly of various raw materials, subassemblies, and packing of the finished widget. Currently, approximately 27% of the total labor time

    asked on July 13, 2010
  58. Psychology

    Explain proactive and retroactive interference and how you might counteract their effects while studying in order to facilitate maximum absorption of information into long-term memory.

    asked on May 22, 2010
  59. college

    Trace the memory system from stimuli into long-term memory. Discuss the features of each step and factors that enhance or impede information flow in each step of the process.

    asked on May 22, 2010
  60. Math

    Solve 4y-3 less than 7y-4 is the answer less than 2?

    asked on March 21, 2010
  61. math

    Solve 4y-3 less than 7y-4

    asked on March 21, 2010
  62. math

    Make up a set of 7 numbers having the following landmarks: mode: 21, median: 24, maximum: 35, range: 20

    asked on November 13, 2009
  63. math

    How do i expand and simplify (2x+5) (3x-4) 6x^2-8x+15x-20 6x^2+7x-20 Is this right??

    asked on June 19, 2009
  64. Math

    How do i expand and simplify (2x+5) (3x-4) 6x-8x+15x-20 6x+7x-20 13x-20 Is this right??

    asked on June 19, 2009
  65. Maths

    How do i expand and simplify (2x+5) (3x-4)

    asked on June 18, 2009
  66. Chemistry pls help

    I have a chemistry question Please advise how do I prepare 1L of 75% H2SO4 from concentrated H2SO4 (98% of density 1.84g/ml)? Do you have an equation which i can use? Someone gave me the following equation but I do not understand it. Vx1.84x0.98={(1000-V)+

    asked on December 3, 2008
  67. critical thinking

    property owned by black residents in Washington D.C 1830-1860 property value(dollars)-no. of owners 1830 1840 1850 1860 1-200 26 30 21 8 200-400 20 35 58 51 400-600 13 26 32 69 600-800 7 16 20 61 800-1000 2 5 11 48 1000-1500 2 8 19 69 1500-2000 1 1 1 21

    asked on April 13, 2008
  68. critical thinking

    2) Which of the following, if true, would best explain the material presented in the table? A) The total value of property owned by Black residents in Washington during the 1830-1860 period was similar to that in other cities during this period. B) Rising

    asked on April 13, 2008
  69. critical thinking

    2) Which of the following, if true, would best explain the material presented in the table? A) The total value of property owned by Black residents in Washington during the 1830-1860 period was similar to that in other cities during this period. B) Rising

    asked on April 13, 2008
  70. critical thinking

    Which of the following, if true, provides the strongest support for an archaeologist’s conclusion that a particular stretch of ancient stone-paved road was part of the Inca road system?

    asked on April 13, 2008
  71. accounting

    what accounts would be impacted by a $30,000 cash payment to a $125,000 loan (assuming there is no interest on the loan)?

    asked on January 16, 2008
  72. Accounting

    I am struggling with the operating activities section of this as in what titles of accounts I should use in this section and do they decrease or increase the net income 2005 2004 Assets Cash . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 53,875

    asked on October 21, 2007
  73. Primates

    Where can I find information regarding when different types of primates showed up in earth's history?

    asked on April 20, 2007
  74. unscramble MAUSULT

    MAUSULT is the word so could some1 plz help me unscramble it thx n advane Try these: http://www.ssynth.co.uk/~gay/anagram.html http://www.unscramble.net =) thx u so much writeacher thats the word thx a mil take care the ans is mutuals

    asked on March 2, 2007
  75. precalc

    3x to the third power

    asked on October 23, 2006
  1. science

    a biosphere

    posted on June 10, 2020
  2. History8

    Damon is correct... The evaporation causes the water level to increase and decrease, frequently.

    posted on April 3, 2020
  3. chemistry

    You could use carbon cycle as one; light and dark reactions in biology.

    posted on November 10, 2017
  4. college algebra

    If 30.6 out of every 100 pregnant women in Indiana deliver their babies by C-Section, how many pregnan t women out of 83,900 would be expected to deliver by C-Section? (round to the nearest woman)

    posted on September 11, 2016
  5. Economics

    "Two firms produce the same good and compete against each other in a Cournot market. The market demand for their product is P = 204 - 4Q, and each firm has a constant marginal cost of $12 per unit. MR1"

    posted on December 18, 2015
  6. Math

    4 x 9 = 36 4 represents how many shelves 9 represents how many books are in each shelf 36 represents how many books are in each shelf You're Welcome

    posted on December 3, 2015
  7. math

    Thank You!

    posted on August 21, 2015
  8. Algebra

    That was my question I guess do you have to show it twice if it's in both machines?

    posted on October 4, 2014
  9. Algebra

    Your correct. I went back to the homework sheet and it looks like that mark but the quality of the sheet is so poor I missed it the 1st time. Thank you

    posted on October 4, 2014
  10. Algebra

    Thank you very much.

    posted on October 4, 2014
  11. Pre Calculus

    cot^2 X - tan^2 X + sec^2 X = csc^2

    posted on July 6, 2014
  12. chemistry

    you're right, I was actually just trying to research it the search bar. Sorry

    posted on March 6, 2014
  13. maths

    try to make all your denominators the same then add or subtract as needed.

    posted on February 26, 2014
  14. chemistry

    that's all I needed thank you so much, turns out I was way off

    posted on February 23, 2014
  15. chemistry

    I do have the added note that the answer to this problem is not the volume of the atmosphere - instead you are determining the volume of the atmsophere displaced by the CO2 generated from my motorcycle exhaust

    posted on February 23, 2014
  16. chemistry

    I am too, gold, I think. thanks sooo much for your help

    posted on February 2, 2014
  17. Algebra

    Thank you so much. Could you help me with one more? It is the same type of question but the problem is different. ã100.

    posted on September 25, 2013
  18. Algebra

    Sorry I was supposed to determine the annual net cost.

    posted on August 6, 2013
  19. Math

    Thank you very much, that has helped me so much. :-)

    posted on July 24, 2013
  20. MOD 4 CHILD DAY CARE MANAGEMENT

    answer to exam 003048 003049

    posted on May 26, 2012
  21. Stress Management Techniques

    Thnx guys i got a 100 on my exams n i just changed the top numbers 16,17,20 to the ones below and it was correct...so trust me its not a lie... Date Graded 02/28/12 Examination 986889RR Grade 100

    posted on February 28, 2012
  22. Math

    I don't get it what do you mean by that?

    posted on March 21, 2010
  23. math

    so Y would equal 2?

    posted on March 21, 2010
  24. Chemistry help needed

    Thank you for your explanation.Is there any formula that we can apply universally for preparations of this nature(w/w)?

    posted on December 18, 2008