tori

Most popular questions and responses by tori
  1. math

    a woman puts $580 into a savings account for one year. the rate of interest on the account was 6 1/2%. How much interest for the year in dollars and cents?

    asked on August 10, 2013
  2. chemistry

    ammonium nitrate decomposes to N2O and water at temperatures between 250 C and 300 C. Write a balanced chemical reaction describing the decomposition of ammonium nitrate, and calculate the standard heat of reaction using the appropriate enthalpies of

    asked on March 28, 2012
  3. chemistry

    The fluorocarbon compound C2Cl3F3 has a normal boiling point of 47.6 ∘C. The specific heats of C2Cl3F3(l) and C2Cl3F3(g) are 0.91 J/g⋅K and 0.67 J/g⋅K, respectively. The heat of vaporization for the compound is 27.49 kJ/mol. Calculate the heat

    asked on February 2, 2015
  4. math

    You purchase a computer for $875.00 plus 5% sales tax. You decide to finance it through the store's 0% program for 12 months. The terms state you pay nothing until the 12 months are over. When you receive the bill, you forget to pay it and are assessed a

    asked on November 20, 2017
  5. Algebra 2. Please help ASAP

    The pH of a liquid is a measure of how acidic or basic it is. The concentration of hydrogen ions in a liquid is labeled [H+]. Use the formula pH = –log[H+] to find the pH level, to the nearest tenth, of a liquid with [H+] about 5.4 x 10–14. A. 14.7 B.

    asked on December 14, 2012
  6. Physics

    A 23-kg child is sliding on an icy surface toward her mother at 3.0 m/s. Her 70-kg mother starts toward her at 2.0 m/s, intending to catch her. What percentage of the original kinetic energy is convertible? I calculated the convertible kinetic energy as

    asked on October 25, 2016
  7. Chemistry

    a chemical engineer placed 1.520 g of a hydorcarbon in the bomb of a calorimeter. The bomb was immersed in 2.550 L of water and the sample was burned. The water temperature rose from 20.00C to 23.55C. If the calorimeter (excluding the water) had a heat

    asked on October 31, 2011
  8. Social Studies

    1. A two thirds majority vote of both houses will pass a bill over to the governor's veto. A. True B. False 2. If the house makes changes, the bill goes back to the original house for a veto. A. True B. False 3. Which action does not occur in a committee?

    asked on June 1, 2016
  9. Chemistry

    A solution of 1.50g of solute dissolved in 25.0 mL of H2O at 25C has a boiling point of 100.95C. What is the molar mass of the solute if it is a nonvolatile non electrolyte and the solution behaves ideally. (d of H2O at 25C=0.997g/mL)?

    asked on February 12, 2012
  10. Check my answer please!

    Macy enters a formula and presses Enter. She sees #Data! in the cell instead of the answer. This means _____. A) the cell is not wide enough B) there is too much data C) the answer is greater than one million D) there is a mistake in the formula I am 90%

    asked on March 13, 2017
  11. Algebra

    You have 600 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river, find the length and width of the plot that will maximize the area. What is the largest area that can be enclosed?

    asked on October 17, 2010
  12. Help Me On Math Please, If Anyone Is Available

    A multiple choice test has 5 questions each with 5 possible answers. Find the probability of answering all the questions correctly. A. 1/3,125 B. 1/25 C. 1/625 D. 1/125 I'm on a test, and this is the only one I'm stuck on.

    asked on February 23, 2016
  13. Spanish/History

    Which empire was the largest in both Americas before the arrival of the Europeans? A. Inca B. Aztec C. Maya D. Cherokee I'm not sure if A or D but I think it is one of the two. Can anyone help me?????

    asked on December 3, 2015
  14. Chemistry

    Sulfur dioxide is used to make sulfuric acid. one method of producing it is by roasting mineral sulfides, for example, FeS2(s) + O2 (g) ---> SO2(g) + Fe2O3(s) (unbalanced). A production error leads to the sulfide being placed in a 950-L vessel with

    asked on October 27, 2011
  15. Physics

    This is a multiple choice question: You toss a (wrapped) sandwich to a friend leaning out of a window 10 m above you, throwing just hard enough for it to reach her. At the same instant, she drops a silver dollar to you.At what position do the dollar and

    asked on October 10, 2016
  16. Math (again) - ASAP please

    The scatter plot below shows the profit earned each month by a new company over the first year of operation. h-t-t-p-s-: //cornerstonetx.ignitiaschools.-c-o-m/media/g_alg01_ccss_2016/3/img_alg1u03l12_13.-g-i-f The owner writes a line of best fit equation,

    asked on February 27, 2017
  17. Math/Pre Algebra HELP ME!

    1. What are the coefficients in the polynomial 5x^2 + 2x - 4? A. 5,2 B. -5,2 C. 5,2,-4 ** D. 5,-2,-4 For questions 2 and 3 add or subtract. 2. (m^2 - m - 4) + (m - 5) A. m^2 - 2m + 9 B. m^2 + 2m - 9 C. m^2 - 2m - 9 ** D. m^2 - 9 3. (5x^2 + x - 3) - (-2x^3

    asked on June 2, 2016
  18. calculus

    A hollow cone has height 5 feet and base diameter 4 feet. The vertex of the cone is pointed down so that it can serve as a container. Water is poured into the cone at the rate 3/2 cubic feet per second. At what rate (in feet per second) is the depth of the

    asked on March 5, 2011
  19. chemistry

    Given the following equation, how many grams of PbCO3 will dissolve when exactly 1.0 L of 1.00 M H+ is added to 6.00 g of PbCO3? When the equation is PbCO3(s) + 2H(+)(aq) = Pb(2+)(aq) + H2O(l) + CO2(g) Please explain in detail, step by step

    asked on February 16, 2012
  20. Calculus

    An innovative rural public health program is reducing infant mortality in a certain West African country. Pretend the program in Senegal has been reducing infant mortality at a rate 8.7 % per year. How long will it take for infant mortality to be reduced

    asked on January 28, 2018
  21. Algebra 2

    Suppose you invest $1600 at an annual interest rate of 7.9% compounded continuously. How much will you have in the account after 10 years? A. $35,254.34 B. $3,525.43 C. $3,435.91 D. $17,315.27

    asked on December 14, 2012
  22. maths

    A broken clover has 2 leaves, a normal clover has 3 leaves and a lucky clover has 4 leaves. In a bunch of these clovers , there are twice as many normal clovers as broken clovers and 5 times as many normal clovers as lucky clovers. The bunch has a total of

    asked on October 8, 2011
  23. Physic 30

    INFORMATION: Kathy and Bill collided at an intersection. The police learned the mass of the truck is 3200 kg and the mass of the car is 2800 kg. Based on the length of the skid marks at the scene and the mass of the vehicles, police estimate that the

    asked on April 3, 2013
  24. Algebra 2

    Suppose you invest $1600 at an annual interest rate of 7.9% compounded continuously. How much will you have in the account after 10 years? A. $35,254.34 B. $3,525.43 C. $3,435.91 D. $17,315.27

    asked on December 14, 2012
  25. Business

    Dukas Corporation's net cash provided by operating activities $218,000; its net income was $203,000; its capital expenditures were $146,000 and its cash dividends were $49,000. What is the company's free cash flow?

    asked on January 19, 2016
  26. Pre-Calc

    The cable in the center portion of a bridge is supported by five pillars to form a parabola. The center support is 10 ft high, the tallest supports are 210 feet high, and the distance between the two tallest supports is 400 ft. Find the height of the two

    asked on December 3, 2012
  27. math

    Your original purchase price was $950.00 plus 5% sales tax. You enter into an agreement where the interest (12.5% APR) is waived for the first 12 months provided you make the required monthly payments; otherwise the interest is accrued from the date of

    asked on November 20, 2017
  28. Physics

    A 53 kg student eats a 200 Calorie doughnut. To “burn it off”, he decides to climb the steps of a tall building. (1 food Calorie = 103 Calories.) How high would he have to climb to expend an equivalent amount of work? The accelera- tion of gravity is

    asked on January 10, 2011
  29. MATH-PERCENTILES

    I JUST TOOK A TEAS TEST(FOR PRACTICAL NURSING ADMISSIONS). THE REQUIREMENTS MUST BE A GRADE IN AT LEAST THE 40TH PERCENTILE IN EACH SUBJECT. THERE WAS A MATH, READING,ENGLISH, AND SCIENCE SECTION. TOTAL OF QUESTIONS WERE 170.MATH-45? READING-40? ENGLISH-55

    asked on February 9, 2008
  30. physics

    You toss a tennis ball straight upward. At the moment it leaves your hand it is at a height of 1.5 m above the ground, and it is moving at a speed of 6.4 m/s.When the tennis ball is at a height of 2.2 m above the ground, what is its speed?

    asked on October 17, 2016
  31. world civilizations

    1. All of the following were factors favoring British industrialization, except A. increased agricultural production. B. rising urbanization and higher wages. C. a decline in domestic demand for manufactured goods. D. immediate or canal access to ocean

    asked on January 15, 2014
  32. calculus

    Pretend the world's population in 1988 was 4.9 billion and that the projection for 2017, assuming exponential growth, is 7 billion. What annual rate of growth is assumed in this prediction?

    asked on January 28, 2018
  33. geometry

    A farmer has a triangular field with sides that measure 120 yards, 170 yards, and 220 yards. Find the area of the field

    asked on February 16, 2012
  34. Physics

    a ball with a mass of 8.0kg is suspended by two wires: 1) 0.6 meters and 2) 1.0 meters from a horizontal arm of 0.8 meters, which is attached to a vertical shaft. The two wires and the horizontal arm forms a triangle. The shaft is in uniform rotation about

    asked on November 7, 2017
  35. mathematics

    In a class of 40 students;30 offer science; 20 offer mathematics and 8 neither. a.illustrate this information on a venn diagram . b.how Many students offer both subjects. c.how many students offer exactly one subject

    asked on October 16, 2016
  36. Calc

    nadia is pulling a tarp along level ground with a force of 25 pounds directed along the tarp. If the tarp makes an angle of 50 degrees with the ground, find the horizontal component of the force.

    asked on March 11, 2013
  37. physics

    A 47.0-g Super Ball traveling at 26.5 m/s bounces off a brick wall and rebounds at 20.5 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.10 ms, what is the magnitude of the average acceleration of the ball during

    asked on January 25, 2013
  38. English

    I have to fix sentences. these are the ones i am stuck on.. It was a surprise to both Marys and I to learn that Switzerland didn't give women the right to vote until 1971. Each of the young women in the Family Life class decided not to marry after they

    asked on March 10, 2010
  39. Algebra 1 - Help!?

    Two big questions that are driving me mad. 1) Given the following linear function sketch the graph of the function and find the domain and range. f(x) = 2/7x - 2 2) Given the following linear function sketch the graph of the function and find the domain

    asked on March 2, 2017
  40. writing

    word puzzle about labor day. wondeful workers. we have most of the answer we have United states and what

    asked on September 2, 2008
  41. Physics

    A sound wave with a frequency of 260 Hz moves with a velocity of 343 m/s through air. What is the distance from one condensation region (area of maximum pressure) to the next?

    asked on September 24, 2015
  42. Chemmistry gas laws

    CH2==Ch2(g) ----> CH4(g) + C (graphite) If the decomposition begina at 10 degrees C and 50.0 atm with a gas density of 0.215 g/mL and the temperature increases by 950K, what is the final pressure of the confined gas (ignore the volume of graphite and use

    asked on October 13, 2011
  43. Math Help

    Hi! I need help with these two questions. Thanks! 1.) Look for the first four terms for the following sequence below. an=n(n^2-6) 2.) For this question, remember that your answer has to begin with the second term of the following sequence. Look for the

    asked on April 29, 2015
  44. healthcare finance

    Suppose that a clinic has third-party payer revenues of $10,000 a day. On average, it takes the clinic 50 days to collect from its payers. What will be the steady state receivables balance? a. $ 10,000 b. $ 50,000 c. $250,000 d. $500,000 e. $750,000

    asked on December 7, 2010
  45. Business

    You purchase a bond for $875. It pays $60 a year (semiannual coupon is 3%), &the bond matures after 10 years. What is the yield to maturity?

    asked on December 12, 2016
  46. chemistry

    If 15.0 mL of a 1.5M HCl solution at 22.5 degrees C is mixed with 25.0mL of a 1.5M NaOH solution at 21.5 degrees C that is in a calorimeter, and the final mixed solution temperature ends up at 28.5 degrees C, what is the balanced equation for this

    asked on March 26, 2012
  47. geometry

    a tree cast a shadow 25 feet long. the angle of elevation from the far end of the shadow to the top of the tree is 64 degrees,find the heighth of the tree

    asked on February 16, 2012
  48. Composition

    Can you please check this for any grammatical errors? Thank you for your help. Having been out of school for 15 years, I seem to have forgotten the fundamentals of grammar. Taking Composition and Communication 155 has helped me gain a better understanding

    asked on June 3, 2011
  49. physics

    How far will 350 joules raise a block weighing 7 newtons?

    asked on March 11, 2010
  50. Biology

    2 g of glycine (C2H5NO2) are dissolved in water to a total volume of 3 L. What is the concentration of the glycine solution in M? Round answers to two significant figures.

    asked on January 16, 2017
  51. math

    Write an expression that converts 50 liter per minute into milliliters per second.

    asked on December 8, 2017
  52. Physics

    a projectile returns to its original height after 4.08 seconds, during which tie it travels 6.2 meters horizontally. If air resistance is ignored, what was the projectile's initial speed?

    asked on November 7, 2017
  53. geometry

    TWO COLUMN TRIANGLE PROOF Given: line AB is parallel to line DE, and line AD bisects line BE Prove: triangle ABC is congruent to triangle DEC by using the ASA (angle-side-angle) postulate

    asked on November 9, 2008
  54. Social Studies

    Where is a good place for me to find help with 5th grade social studies homework? I am having difficulty with U.S. History, Rise of businesses, time period: 1850-1915. Thanks!

    asked on December 3, 2007
  55. Physics

    You find that if you hang a 1.90 kg weight from a vertical spring, it stretches 2.90 cm . Part A What is the force constant of this spring in N/m? Part B How much mass should you hang from the spring so it will stretch by 9.06 cm from its original,

    asked on October 29, 2017
  56. Math Help!!

    When the owner of a gas station sets the price of 1 gallon of unleaded gasoline at 2$, he can seek approximately 20,000 gallons per day. When he sets the price of gas at 5$ per gallon, he can sell approximately 14,000 gallons per day. Let G(x) denote the

    asked on January 28, 2015
  57. Pre-Calc

    The number of pounds of apples a cannery can produce and the processing cost are P(h) = 375h and C(n) = 0.35n + 1000 where P(h) is the number of pounds of apples that can be processed in h hours and C(n) is the cost of processing n pounds of apples. Use

    asked on October 4, 2014
  58. Chemistry

    FeS2 (s) + O2(g) -----> SO2(g) +Fe203(s) (unbalanced) a production error leads to the sulfide being placed in a 950-L vessel with insufficient oxygen. Initially, the partial pressure of O2 is 0.64 atm, and the total pressure is 1.05 atm, with the balance

    asked on October 13, 2011
  59. MAth

    14 students in an Algebra class were asked to shake hands with each other. Each student shook hands with each of the other students exactly once. How many handshakes occured in this class?

    asked on May 1, 2011
  60. Language

    Give a common noun for the proper noun. Thursday

    asked on September 3, 2007
  61. PHYSICS

    A placekicker is about to kick a field goal. The ball is 20.1 m from the goalpost. The ball is kicked with an initial velocity of 18.7 m/s at an angle θ above the ground. Between what two angles, θ1 and θ2, will the ball clear the 3.12-m-high crossbar?

    asked on September 30, 2015
  62. Calc

    nadia is pulling a tarp along level ground with a force of 25 pounds directed along the tarp. If the tarp makes an angle of 50 degrees with the ground, find the horizontal component of the force.

    asked on March 11, 2013
  63. math

    Anita has two sisters and three brothers. The mean of all their ages is 6 years. Wht is the mean of their agesin 10 years and 20 years?

    asked on February 25, 2013
  64. Physics

    A car accelerates for 5 seconds at 2.1 m/s^2. If the car initially had a speed of 10 m/s, what is the new speed?

    asked on October 7, 2012
  65. Physical Science

    A quantity of water is poured into a graduated cylinder, which then reads 145ml. what is the mass of the water in kilograms?

    asked on January 13, 2011
  66. Math

    Your teacher has a large box containing an equal number of red and blue folders. There are 24 students in your class. The teacher passes out folders at random. Ten students receive a red folder. Compare the experimental probability of recieving a red

    asked on October 27, 2010
  67. Chemistry

    H2O(l) = H2O(g) deltaHvap = + 40.7kJ shows the change in enthalpy when 1mol of liquid water vaporizes into water vapor. This is called the molar heat of vaporization. Given this information which is the proper value for the molar heat of condensation?

    asked on April 5, 2010
  68. math

    Rewrite each equation to isolate the indicated variable. y = 9x + 2 for x df = g - 10 for d

    asked on December 8, 2017
  69. Physics

    A hockey player's arm and stick form a 1.6 m rigid segment. If the angular speed of the player's arm/stick is 1.2 rad/s, determine the resultant velocity of a motionless puck that is hit struck on if: a) the hockey player is stationary during the swing b)

    asked on November 7, 2013
  70. geometry

    find the measures of each side of triangle abc with vertices a(-1,5), b(6,1), c(2,6) and classify the triangle.

    asked on February 19, 2011
  71. geometry

    A rectangle with an area of 32 inches squared has one side measuring 4 inches. A similar rectangle has an area of 288 inches squared. How long is the longer side in the larger rectangle?

    asked on February 10, 2011
  72. chemistry

    How many molecules are in 3.78 moles of carbon dioxide?

    asked on November 22, 2011
  73. math

    i need help with this question evaluate 5(14-2^3)+ 8/2 =?

    asked on August 27, 2018
  74. physics

    A cannon fires a shell straight upward; 1.7 s after it is launched, the shell is moving upward with a speed of 19 m/s. Assuming air resistance is negligible, find the speed (magnitude of velocity) of the shell at launch and 5.4 s after the launch.

    asked on October 17, 2016
  75. Math

    Find the exact value: 1.) cos^-1(sin(pi/2)) 2.) arccos(cos(7pi/2))

    asked on December 8, 2014
  76. Physics

    A man pulls a 50 kg box with an acceleration of 2m/s^2 across the floor. He applies a 200 N force at an angle of 30 degrees what is the coefficient of the kinetic friction?

    asked on December 2, 2012
  77. CHEMISTRY/

    A student takes a 1.00 mL aliquout of 5.00*10^-4 M HCl solution and dilutes it to the mark with water in a 1000.0 mL volumetric flask. (a)What is the expected pH for the final solution at 25C? (b)What would be the expected pH if this solution were later

    asked on March 20, 2011
  78. Physics

    One of the most efficient engines ever built is a coal-fired steam turbine in the Ohio valley, driving an electric generator as it operates between 1870C and 430C. What is itsmaximumtheoretical efficiency?

    asked on January 10, 2011
  79. physics

    Score: 0 / 1 Tries left: 10 Question 5 A large crate has a mass of 214 kg. A horizontal force of positive 214 N is applied to it, causing it to accelerate at 0.130 m/s2 horizontally. What is the force of friction opposing the motion of the crate? Use the

    asked on November 15, 2017
  80. Business

    You purchase a bond for $875. It pays $60 a year (semiannual coupon is 3%), &the bond matures after 10 years. What is the yield to maturity?

    asked on December 14, 2016
  81. Chemistry

    At 28.4 g sample of aluminum is heated to 39.4 degrees Celsius and then is placed in a calorimeter containing 50.0g of water. Temp of water increases from 21.00 degrees Celsius to 23.00 degrees Celsius. What is the specific heat of aluminum?

    asked on May 7, 2015
  82. Math

    Find the exact value: 1.) cos^-1(sin(pi/2)) 2.) arccos(cos(7pi/2))

    asked on December 7, 2014
  83. Algebra 2

    The pH of a liquid is a measure of how acidic or basic it is. The concentration of hydrogen ions in a liquid is labeled [H+]. Use the formula pH = –log[H+] to find the pH level, to the nearest tenth, of a liquid with [H+] about 5.4 x 10–14. A. 14.7 B.

    asked on December 14, 2012
  84. chemistry

    Calculate the Molecular Weight (MW) of a hydrocarbon as if 0.5813 g of this gas completely fills a 250.0 mL flask at a temperature of 24.4 C and pressure of 742.6 mmHg. Show all work and assume ideal behavior.

    asked on August 28, 2012
  85. geometry

    A tree is growing at an angle out of the ground, 15°17' from vertical. Standing 10 ft away from the base, the angle to the top of the tree is 25°17'. What is the height of the tree?

    asked on February 17, 2012
  86. geometry

    On a map, Town A is 8 km due south of Town B, Town C is 9 km from Town A, and Town C is 3 km from Town B (see figure below). Find the bearing from Town A to Town C and the bearing from Town B to Town C.

    asked on February 16, 2012
  87. calculus

    Consider the illustration, which shows a rotating beam of light located 0.5 mile from a shoreline. The beam rotates at a rate of 4 revolutions per minute. How fast (in miles per minute) is the distance between the beam and the point where it strikes the

    asked on March 5, 2011
  88. Chemistry

    A gas occupied a volume of 3.50 L at 27 degrees celcius and 400.0 mmHg. What is the new temperature if the pressure changes to 0.789 atm and the volume is decreased to 2.50 mL

    asked on January 12, 2011
  89. foundation of science

    what parts of the ladder corrsponds to the energy level of the atom?

    asked on September 26, 2010
  90. ECONOMICS

    I need to evaluate the effects of government trade policy on economic behavior. In addition I have to incorporate real world examples in today's economic situation.

    asked on April 19, 2010
  91. super quick easy question

    does anyone know of a website translating english to shakespearean language? or to elizabethan language?

    asked on January 11, 2010
  92. Biology

    how can traits determine the characteristics of an organism? and what would happen if a base [i'm assuming in the dna sequence] is out of order?

    asked on March 26, 2009
  93. science

    does the sun raise in the east and sets in the west. or is it the other way around?

    asked on February 28, 2008
  94. math

    Ravi has started a business importing handwoven and embroidered linen from India. His Indian supplier charges him 460 rupees per meter for the fabric. He wants to make a profit of $4 per yard. How much must Ravi charge per yard for the imported fabric? Use

    asked on December 8, 2017
  95. math

    The owner of a pool cleaning business wants to know how much time, on average, his workers spend cleaning a pool. Last week, 7 employees each worked a 6-hour shift. In all, they cleaned 42 pools. Which is the most appropriate unit to calculate a answer to

    asked on December 8, 2017
  96. Business

    If a new college graduate wants a car costing $21,000, how much must be saved annually over the next four years if the funds earn 5%?

    asked on December 14, 2016
  97. Math

    George has coins in his pocket. He has 7 more quarters than he has dimes. How many dimes does he have?

    asked on September 8, 2014
  98. world civilizations

    Regarding trade and social change in Africa, which statement is true? A. The West Africa Squadron succeeded in obstructing about 30 percent of the African slave trade. B. The most important development in West Arica before European conquest was reliance on

    asked on January 15, 2014
  99. World Civilizations

    Under the Tokugawa peace, daimyo A. were prohibited from coining money. B. were heavily engaged in foreign trade. C. social status increased. D. castle building was encouraged. I thought the best answer is B.

    asked on January 15, 2014
  100. World civilizations

    All of the following were factors favoring British industrialization, except A. increased agricultural production. B. rising urbanization and higher wages. C. a decline in domestic demand for manufactured goods. D. immediate or canal access to ocean ports.

    asked on January 15, 2014

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