Popular questions and responses by anthony
  1. math

    The density of a solid or liquid material divided by the density of water is called the _______ of the material?

    asked on August 21, 2014
  2. World History

    Jews were persecuted in Europe for hundreds of years even before the 20th century (1). Thousands were massacred by crusading knights on their way to the Holy Land (2). Another common practice was to force Jews into sections of town called ghettos (3). In

    asked on July 16, 2018
  3. algebra

    The volume of a gas varies directly with its temperature and inversely with the pressure. If the volume of a certain gas is 20 cubic feet at a temperature of 350K and a pressure of 35 pounds per square inch, what is the volume of the same gas at 330 K when

    asked on November 5, 2016
  4. physics

    A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 10-4°C−1). At room temperature (20.0°C), the frames have circular lens holes 2.27 cm in radius. To what temperature must the frames be heated if lenses 2.28

    asked on April 11, 2012
  5. math

    A farmer with 1200 acre is considering planting 3 different crops corn, soybeans, and oats. The farmer wants to use all 1200 acres. seed corn costs $20 per acre, while soybeans and oats costs $50 and $12 respectively. The farmer has the $40000 available to

    asked on May 25, 2017
  6. physics

    A stone is thrown horizontally outward from the top of a bridge, the stone is released 19.6meter above the street below.the initial velocity of the stone is 5.0m/s.determine the (a)total time that the stone is in the air (b)magnitude and direction of the

    asked on July 28, 2015
  7. PreCalc

    When x^4 + ax^3 + bx +c is divided by (x–1), (x+1), and (x+2), the remainders are 14, 0, and –16 respectively. Find the values of a, b, and c.

    asked on November 26, 2017
  8. Chemistry

    Draw the product of the hydration of 2-butene.

    asked on June 24, 2013
  9. math

    The cross section of an attic is in the shape of an isosceles trapezoid. If the height of the attic is 9 feet, BC=12 feet, and AD=28 feet, find the length of line AB to the nearest foot. The triangle of the trapezoid is triangle ABE and the bases are BC

    asked on April 11, 2009
  10. history

    How did Virginia’s population numbers change in the last half of the 1600s? A. The population fell due to increased disease and warfare with the Native Americans. B. New settlers arrived and replaced those who died from the harsh life and disease,

    asked on May 11, 2018
  11. statistics

    On the average five customers visit a children department store each hour. Using Poisson distribution, calculate the probability of three customers shop at the store.

    asked on March 3, 2014
  12. Informal Logic

    Sometimes people get caught in a “downward spiral,” a case in which something leads to a result which in turn leads to more of the original thing, bringing on more of the result. As the process continues, the result continually gets worse and worse. An

    asked on December 4, 2010
  13. math

    Bill Shass pays a property tax of $3,200. In his community, the tax rate is 51 mills. What is Bill’s assessed value? (Round your answer to the nearest dollar amount. Omit the "$" sign in your response.)

    asked on May 5, 2009
  14. math

    How much ribbon is needed to wrap the package shown if 15 inches of ribbon are needed to make the bow? length is 16 width is 9 height is 4

    asked on September 23, 2014
  15. math

    when a 3- digit number is divided by 1-digit, the estimated quotient is 50. Think of two possible numbers that can give this quotient.

    asked on November 2, 2011
  16. Physics

    Can someone help with this calculation, please? A golf ball is hit at a 35 degree angle and the hole is 175m away. What is the speed of the ball necessary to hit the hole? Thank you for any help you can give-

    asked on October 9, 2010
  17. English

    Which value is reflected in Heracles ? .

    asked on August 28, 2015
  18. physics

    A locomotive that has a mass of 6.4 x 105 kg is used to pull 2 railway cars. Railway car 1 has a mass of 5.0 x 105 kg, is attached to railway car to that has a mass of 3.6 x 105 kg by a locking mechanism. A railway engineer tests the mechanism and

    asked on October 30, 2013
  19. physics

    Comic-book superheroes are sometimes able to punch holes through steel walls. (a) If the ultimate shear strength of steel is taken to be 3.00 x 10^9 Pa, what force is required to punch through a steel plate 1.90 cm thick? Assume the superhero's fist has

    asked on February 1, 2013
  20. physics

    at the instant shown, the 50 lb bar rotates clockwise 2 rad/s. The spring attached to its end always remains vertical due to the roller guide at C. If the spring has an unstretched length of 2 ft and a stiffness of k=6lb/ft, determine the angular velovity

    asked on May 1, 2011
  21. math

    Katie invested a total of ​$6000 ​, part at 3 ​% simple interest and part at 4 ​% simple interest. At the end of 1​ year, the investments had earned ​$214 interest. How much was invested at each​ rate?

    asked on February 5, 2017
  22. maths

    A spherical tank of diameter 3m is filled with water from a pipe of radius 30cm at 0.2m/s.calculate an corect to 3s.f the time in minute it take to fill the tank.thankyou godbless

    asked on July 28, 2015
  23. chemistry

    Calculate the pressure exerted by 1.2 mol\rm mol of gas in a volume of 28.2 L\rm L and at a temperature of 334 K\rm K.

    asked on November 25, 2014
  24. Financial Management

    Which of the following is NOT an example of an agency cost? A. Paying an accounting firm to audit your financial statements. B. Paying an insurance company to assure that building codes have been met for new construction. C. Paying a landscaping firm to

    asked on January 17, 2014
  25. physics

    A 40-g block of ice is cooled to −71°C and is then added to 590 g of water in an 80-g copper calorimeter at a temperature of 27°C. Determine the final temperature of the system consisting of the ice, water, and calorimeter. (If not all the ice melts,

    asked on April 11, 2012
  26. physics

    a kangaroo jumps to a vertical height of 2.55m.How long was it in the air before returning to Earth? pleaseee anwser it is due in 1 day!!!!

    asked on July 20, 2008
  27. Social Studies

    1. What are the three types of productive resources? Select all that apply. (3 points) the raw materials provided by the planet the planning and work that go into production the markets that sell the results of production the social systems that ensure

    asked on November 15, 2016
  28. chemistry

    How many aluminum atoms are in 3.78 g\rm g of aluminum?

    asked on October 20, 2014
  29. Physics

    At 10:00 .hrs a 1.5- m-long vertical stick in air casts a shadow 1.4 m long. If the same stick is placed at 10:00 hrs in air in a flat bottomed pool of salt water half the height of the stick, how long is the shadow on the floor of the pool? (For this

    asked on May 22, 2014
  30. Geometry

    A machine for baling hay produces cylindrical bales that are 5 feet in diameter and 4 1/3 feet in height. how many cubic feet are in each bale of hay?

    asked on May 26, 2011
  31. Math

    What is the surface area of a right circular cylinder with base circle of radius of 5m and height of the cylinder 10m?

    asked on January 17, 2011
  32. quantitive reasoning math

    taxes on a house assessed at $64,000 are $1500 a year. If the assessment is raised to $85,000 and the tax rate did not change, how much would the taxes be?

    asked on September 6, 2017
  33. Microeconomics

    Medical doctors earn higher incomes than people who have a Ph.D. in economics. This is partly because A. Medical doctors are more likely to face malpractice lawsuits. B. The costs of receiving necessary medical education are higher. C. A relatively small

    asked on May 27, 2015
  34. eng 130

    Which statement is most likely to be supported by objective data? A. In infancy the color blue iz associated with boy and pink is associated with girls. B. When in doubt, punt; when certain go for the goal on the fourth down. C. In my view the author's

    asked on August 18, 2014
  35. personal finances

    A family with $45,000 in assets and $22,000 of liabilities would have a net worth of: A. $45,000. B. $23,000. C. $22,000. D. $67,000. im thinking d

    asked on April 17, 2014
  36. Finance

    What advantages does a roth IRA have over the traditional IRA? A. With a roth you take care of taxes ahead of time and end up with more money to spend at retirement. B Unlike the traditional IRA, with a roth you don't pay taxes while your money is in the

    asked on November 11, 2013
  37. com156

    Quoting, Summarizing, and Paraphrasing a Source Part 1: Summarizing Review the following passage and summarize it in the box as though you were including this information in a research paper. Use the reference to create an appropriate APA-formatted,

    asked on December 13, 2011
  38. physics

    A proton moves from a location where V = 70 V to a spot where V = -31 V. (a) What is the change in the proton's kinetic energy? J (b) If we replace the proton with an electron, what is the change in kinetic energy?

    asked on October 8, 2011
  39. English

    Select the letter of the choice that correctly identifies the underlined word. The author frequently used co-ordinate clauses to express contrast. (co-ordinate is underlined) A. the prefix should be followed by a hyphen. B. the prefix should not be

    asked on April 8, 2011
  40. Physics

    5. The surface of a glass plate (index of refraction n3 = 1.50) is coated with a transparent thin film (index of refraction n2 = 1.25). A beam of monochromatic light of wavelength 6.0 X 10^-7 meter traveling in air (index of refraction n1 = 1.00) is

    asked on April 7, 2011
  41. english

    The Passionate Shepherd to His Love Come live with me and be my love, And we will all the pleasures prove That valleys, groves, hills, and fields, Woods, or steepy mountain yields. And we will sit upon rocks, Seeing the shepherds feed their flocks, By

    asked on March 7, 2011
  42. Physics

    Which process will double the power given off by a resistor? a. Doubling the current while doubling the resistance b. Doubling the current by making a resistance half as big c. Doubling the current by doubling the voltage d. Doubling the current while

    asked on February 24, 2011
  43. physics

    a golf ball released from a height of 1.5 m above aa concreate floor bounces back to a height of 1.1m if the ball is in contact with the floor for .62 ms what is the average acceleartion of the ball while in contact with the floor?

    asked on October 1, 2010
  44. algebra

    simplify: sqrt (28) a) 4 sqrt (7) b) 7 sqrt (2) c) 2 sqrt (7) d) sqrt (7) c im just making show that they are correct sorry for posting up so many

    asked on June 24, 2010
  45. algebra

    Simplify: 2 sqrt (3) + 4 sqrt (3) a) 18 b) sqrt (9) c) 8 sqrt (3) d) 6 sqrt (3) d

    asked on June 18, 2010
  46. algebra

    simplify the following radical expression : 4 sqrt (625) a) 25 b) sqrt (25) c) 5 d) no solution exists i think a

    asked on June 18, 2010
  47. college

    Does this passage contain an argument? Will a beverage begin to cool more quickly in the freezer or in the regular part of the refrigerator? Well, of course it'll cool faster in the freezer! There are lots of people who don't understand anything at all

    asked on March 11, 2009
  48. Math

    what is the value of 14-a^2 given a=-3

    asked on August 15, 2019
  49. physics

    Consider a cloudless day on which the sun shines down across the United States. If 2312 kJ of energy reaches a square meter (m2) of the United States in one hour, how much total solar energy reaches the entire United States per hour? The entire area of the

    asked on January 22, 2019
  50. algebra

    The length a spring stretches is directly proportional to the force applied. If a force of 8 pounds stretches a spring 10 inches, how much force is necessary to stretch the same spring 9 inches?

    asked on November 5, 2016
  51. Geometry

    Write a two-column proof. If point g is the centriod of triangle ABC and BG = 18. Find GE and BE. My work: ge is half so its 9. be equals 18 + 9 = 27 i need help on two column proof part

    asked on November 27, 2015
  52. MATHS

    the following is an AP 9,X,Y,Z,25 1.find the values of x,y,z.

    asked on August 5, 2015
  53. Math (PLEASE HELP!)

    1. The sum of the squares of two numbers is 74 and the difference of their squares is 24. a) What system of equations models this situation? b) What are the two numbers? 2. For what value of b will the line y= -2x+b be tangent to the parabola y=3x^2+4x-1?

    asked on June 18, 2015
  54. Economics

    Suppose that Erin spends all of her income on two goods: pizza and fiction novels. If the price of pizza rises, then A. The current marginal utility per dollar spent on pizza will rise B. The current marginal utility per dollar spent on pizza will fall C.

    asked on May 16, 2015
  55. Microeconomics

    If a competitive market operates perfectly, it relies on A. The number of people buying goods B. The laws of supply and demand C. How many products can be produced for sale d. how much people are willing to pay for the products. The answer is B?

    asked on May 13, 2015
  56. Chemistry

    A reaction requires 0.5 g of pure methyl oleate (density = 0.87g/mL) (MW = 310g/mol). How many mL of 70% pure methyl oleate are needed for the reaction. I don't exactly know how to start this off. I think what I'm supposed to do is multiply the 70% by the

    asked on December 2, 2014
  57. Eng

    In his essay "revolution of time" Dunn would agree with all of the following statements except

    asked on August 18, 2014
  58. Finance

    Which of the following statements about the relationship between yield to maturity and bond prices is FALSE? A. When the yield to maturity and coupon rate are the same, the bond is called a par value bond. B. A bond selling at a premium means that the

    asked on January 25, 2014
  59. Politics

    Which of the following statements about interest groups is correct? A. Agricutural business interest have a very short history of influential lobbying activity. B. Labor unions are important financial supports of the Republican Pary. C. Religious groups

    asked on December 20, 2013
  60. discrete mathematics

    problem has to do with three valued logic, ie the values 1, 1/2, 0 interpreted as true, unknown, and false. i need to establish the connectives for the 3 valued logic, construct truth tables for the negation, conjunction, disjunction, the conditional, and

    asked on June 6, 2012
  61. broward college

    a decrease in demand for a product, holding other things constant, will

    asked on November 20, 2011
  62. Government

    In an earlier part of United States history, Congress...? a. helped further the discrimination of minorities by inaction. b. consistently acted for the benefit of minority groups. c. pursued legislation aiding African Americans, but not women. d. pursued

    asked on July 14, 2011
  63. Government

    a. are always constitutional b. are always unconstitutional c. may be upheld by the supreme court if they meet certain criteria d. may be passed by congress but not by states. I'm stuck between b and c?

    asked on July 14, 2011
  64. English

    1. Which sentence is NOT correct? A. Anita would rather spend time with her daughter than with anyone else. B. My little brother told me that North Dakota is less densely populated than any other state. C. Jaime had more fun in Los Angeles than anywhere

    asked on May 12, 2011
  65. english

    Select the letter that correctly identifies the basic sentence pattern of the sentence. In 281 B.C., King Pyrrhus of Greece offered the Lucanians assistance in their war against the Roman army. A. subject + predicate B. predicate + subject C. subject

    asked on April 8, 2011
  66. Physics

    A nichrome wire has a radius of 0.50 mm and a resistivity of 1.5 ´ 10‑6 W‑m. What is the resistance per unit length of this wire?

    asked on February 24, 2011
  67. Chemistry

    Which of the following forms a solid with non-directional covalent bonds? A) neon B) chlorine C) copper D) carbon E) selenium

    asked on February 11, 2011
  68. chemistry

    What is the specific heat capacity of lead if a 18.9 g sample increased 12.9 C upon the addition of 31.5 J? The units are J/(gK)

    asked on October 17, 2010
  69. Physics

    You decide to take a nice hot bath but discover that your thoughtless roommate has used up most of the hot water. You fill up the tub with 270 kg of 30.0°C water and attempt to warm it further by pouring in 5.00 kg of boiling water from the stove. (a)

    asked on July 18, 2010
  70. algebra

    simplify: sqrt(24) a) 6 sqrt (2) b) 4 sqrt (6) c) 4 sqrt (2) d) 2 sqrt (6) d

    asked on June 24, 2010
  71. math

    the length of a rectangle is 5 ft more than twice the width. a)if x represents the width of the rctangle, represent the perimeter of the rectangle in terms of x. b) if the perimeter if the rectangle is 2 ft more than eight times the width of the rectangle,

    asked on September 12, 2009
  72. math

    Solve the problem. A cruise boat travels 48 miles downstream in 3 hours and returns upstream in 6 hours. Find the rate of the stream.

    asked on March 20, 2009
  73. English

    Do you think that Jordan’s ideas could work to promote tolerance?

    asked on June 10, 2020
  74. algebra

    So im struggling in math right now and i need help to do this can anyone please explain step by step on how to do this its solving systems of equations by substitution 5x-4y=-23 y=1/3x-5

    asked on March 3, 2020
  75. Math

    what is the real value of x in the equation log² 24 – log³ 3 = log5 x I am very confused with this question :/

    asked on October 11, 2018
  76. Math

    How to write expression by writing the solution in unit form and in standard form

    asked on August 20, 2018
  77. Chemistry

    Hydrogen holds promise as an environment friendly fuel. How many grams of H2 gas are present in a 52.0 L fuel tank at a pressure of 2861 lb/in2 (psi) at 20.0°C? Assume that 1 atm = 14.7 psi.

    asked on November 4, 2017
  78. Chem

    A 2.461-g sample of glutamic acid, C5H9NO4 (147.13 g/mol) was burned in a bomb calorimeter with excess oxygen. The temperature of the calorimeter and the water before combustion was 23.76 °C; after combustion the calorimeter and the water had a

    asked on October 28, 2017
  79. Geography

    What do geographers mean when they discuss and areas landscape

    asked on September 15, 2017
  80. Trig

    The length of a rectangle is 142.9 in. If the diagonal makes an angle of 32.1o with this side, find the measure of the diagonal of the rectangle rounded to the nearest tenth of an inch. let x represent the diagonal.

    asked on May 3, 2017
  81. chemistry

    You have a tank of argon gas at 19.80 atm pressure at 19°C. The volume of argon in the tank is 50.0 L. What would be the volume (in liters) of this gas if you allowed it to expand to the pressure of the surrounding air (0.924 atm)? Assume the temperauter

    asked on April 22, 2017
  82. math

    suppose that it takes 100 workers 6 weeks to build 4 miles of highway. how many miles of highway could 160 workers build in 15 weeks

    asked on April 3, 2017
  83. Physics Word Problem

    suppose a meteorite called head on with mars and becomes buried under mars surface. what would be the elasticity of this collision? explain your answer.

    asked on February 22, 2017
  84. physics

    A car travelling at 25 m/s slams its break leaving skids marks along a distance 125 m as it comes to rest. the coefficient f friction between the tire and the road is a 5 b 2.5 c 1 2 .4 e .25 A 500N worker pulling a 500 N crate on a rope with a force of 50

    asked on February 20, 2017
  85. math

    the number of blocks has 9 in the ones place. the number in the hundreds place is one more than the number in the tens place. those two numbers equal 11. how many blocks are there?

    asked on January 18, 2017
  86. Pre-calc Math

    A tree on a hillside casts a shadow c = 210 ft down the hill. If the angle of inclination of the hillside is b = 21° to the horizontal and the angle of elevation of the sun is a = 51°, find the height of the tree. (Round your answer to the nearest foot.)

    asked on December 23, 2016
  87. Pre-calc Math

    The path of a satellite orbiting the earth causes the satellite to pass directly over two tracking stations A and B, which are 95 mi apart. When the satellite is on one side of the two stations, the angles of elevation at A and B are measured to be 87.0°

    asked on December 23, 2016
  88. Pre-calc Math

    Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter DNE. Round your answers to one decimal place. Below, enter your answers so that ∠B1 is smaller than ∠B2.) a = 78, b = 109,

    asked on December 23, 2016
  89. Math

    equivalent expressions that can be used to find the final price of an item costing g dollars that is on sale for 15% off and charged 7% sales tax.?

    asked on November 15, 2016
  90. Math

    A rocket is launched at t=0 seconds. Its height, in feet, above sea-level, as a function of time,t, is given by h(t)=-16t^2+112t+480 When does the rocket hit the ground after it is launched?

    asked on October 27, 2016
  91. math

    in a survey, 1000 people were asked what sports they liked best. of that number, 423 said baseball and 95 said tennis. what part of total number surveyed liked baseball? what part liked tennis?

    asked on September 7, 2016
  92. Chem

    A sealed balloon is filled with 1.00 L of helium at 23°C and 1.00 atm. The balloon rises to a point in the atmosphere where the pressure is 299 torr and the temperature is -31°C. What is the change in the volume of the balloon as it ascends from 1.00 atm

    asked on July 18, 2016
  93. Geometry

    given the parallelogram of the perimeter RATU with vertices R(1,3) S(-2,-2) T(4,0) U(7,4):round to the nearest hundredth Rec1: Rec2: triangle 1: triangle 2: triangle 3: triangle 4:

    asked on April 10, 2016
  94. 4th grade math

    long jump measurements. Allison jumped 3/8 foot shorter than the farthest jump. How far, in feet, did Allison jump? how to calculate long jump measurements

    asked on March 28, 2016
  95. Physics

    A uniformed lath AB of length 80 cm and mass of 50g is pivoted at a point p,25 cm from one end it is kept horizontal by support at the other end by a vertical string. Calculate the tension in the string.

    asked on February 9, 2016
  96. math

    You and your sister work on the weekends at your parents’ store. You receive $4 per hour and your sister gets $5 per hour. On Saturday both of you worked a total of 7 h and together made $32. How much money did each of you earn on Saturday?

    asked on January 27, 2016
  97. chemistry

    If I wanted to make two solutions. In one I will mix Chemical A into 1 Liter of water. In the second I will mix Chemical B into 1 Liter of water. If I want my two solutions to be the same concentration they should contain the same number of PARTICLES. How

    asked on January 11, 2016
  98. fluid mechanics

    a block has a mass of 400kg in air when submerged in seawater it weighs 2943N. what is the specific gravity of the block?

    asked on September 29, 2015
  99. Accounting

    Revenue is earned when: A. Contract is signed by both parties B. The seller substantially completes performance required by an agreement C. Buyer completes payment required under an agreement D. The buyer accepts delivery and completes required payments.

    asked on August 11, 2015
  100. maths

    (1)differentiates,x^x^10 Question(2),compute each of the following double integral over the rectangles where R=(-2,-1)*(0,1),§x^2y^2+cos(paix)+sin(paiy)dA qustion3:investigate the stationary point of f(x) if y=3x^2+y^3-3x^2-3y^2-2

    asked on July 30, 2015


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