Popular questions and responses by Dee
  1. BUS math

    Bari Jay a gown manufacturer received an order for 600 prom dresses from China. Her cost is $35 a gown. If her markup based on selling price is 79%, what is the selling price of each gown? Round to the nearest cent.

    asked on March 31, 2015
  2. Cal 1

    Verify the given linear approximation at a = 0. Then determine the values of x for which the linear approximation is accurate to within 0.1. (Enter your answer using interval notation. Round your answers to three decimal places.) (1 + 2x)^1/4 ≈ 1 + 1/2x

    asked on March 7, 2013
  3. Chemistry

    Imagine two solutions with the same concentration and the same boiling point.? Imagine two solutions with the same concentration and the same boiling point, but one has ethanol as the solvent and the other has carbon tetrachloride as the solvent. Determine

    asked on March 2, 2013
  4. math

    Anita's, a fast-food chain specializing in hot dogs and garlic fries, keeps track of the proportion of its customers who decide to eat in the restaurant (as opposed to ordering the food "to go"), so it can make decisions regarding the possible construction

    asked on June 11, 2017
  5. Physics

    Two curves on a highway have the same radii. However, one is unbanked and the other is banked at an angle θ. A car can safely travel along the unbanked curve at a maximum speed v0 under conditions when the coefficient of static friction between the tires

    asked on March 4, 2013
  6. physics

    An object with mass m1=5.00 kg rests on a frictionless horizontal table and is connected to a cable that passes over a pulley and is then fastened to a hanging object with mass m2= 10.0 kg. Find the acceleration of each object and the tension in the cable.

    asked on September 26, 2011
  7. History

    12. What effect did technology have on World War I? It enabled nations to defeat their enemies with few casualties. It greatly increased the number of casualties.

    asked on November 13, 2015
  8. Math

    What ratio represents the probability of drawing a red card from a standard deck of 52 cards?

    asked on April 24, 2010
  9. Physics

    During volcanic eruptions, chunks of solid rock can be blasted out of the volcano; these projectiles are called volcanic bombs. (a) At what initial speed would a bomb have to be ejected, at angle 35degrees to the horizontal, from the vent at A in order to

    asked on December 28, 2015
  10. Physics

    The coefficient of static friction between the 3.00 kg crate and the 35.0 degree incline is .300. What minimum force must be applied to the crate from sliding down the incline?

    asked on September 28, 2011
  11. Chemistry

    The vapor pressure of pure acetone (propanone) is 266 torr. When a non-volatile solute is added, the vapor pressure of acetone above the solution falls to 232 torr. What is the mole fraction of acetone in the solution? Show work. A) 0.69 B) 0.32 C) 0.13 D)

    asked on February 27, 2013
  12. Math

    Bill paints murals. He recorded the total amount of white paint that he used for his murals each month in the table below. In April Bill used 2/3 of the amount that housed in May. Fill in the amount of white paint BIll used in April in the table below.

    asked on April 1, 2017
  13. English

    In terms of style and technique, "Old Ironsides" is __________. distinctive and unique similar to many European poems

    asked on October 30, 2015
  14. chemistry

    When disaccharide beta is hydrolyzed, which monosaccharide units are produced?

    asked on December 16, 2012
  15. Physics

    Starting from rest, a 5.00 kg block slides 2.50 m down a rough 30.0 degree incline. The coefficient of kinetic friction between block and the incline is .436. Determine the work done by the friction force between block and incline and the work done on the

    asked on October 12, 2011
  16. college algebra

    the following rational function gives the number of days it would take two construction crews, working together, to frame a house that crew 1 (working alone)could complete in t days and crew 2 (working alone) could complete in t+3 days.

    asked on October 14, 2013
  17. Physics

    Gas is confined in a tank at a pressure of 11 ATM and a temperature of 25 degree Celsius. If 2/3 of the gas is withdrawn and the temperature is raised to 75 degree Celsius, what is the new pressure in the tank?

    asked on November 26, 2011
  18. Math

    An architect designs a house that is 12 m wide. The rafters holding up the roof are equal length and meet at an angle of 68°. The rafters extend 0.6 m beyond the supporting wall. How long are the rafters? Hi - I was wondering if you could help me with

    asked on August 21, 2011
  19. college algebra

    A partial solution set is given for the polynomial equation. Find the complete solution set. (Enter your answers as a comma-separated list.) x^3 + 3x^2 − 14x − 20 = 0; {−5}

    asked on November 18, 2013
  20. college algebra

    Use a calculator to help solve the problem. The intensity I of light (in lumens) at a distance x meters below the surface is given by I = I0 k x, where I0 is the intensity at the surface and k depends on the clarity of the water. At one location in the

    asked on November 4, 2013
  21. geometry

    the measures of the interior angles of a pentagon are 2x, 6x, 4x-6, 2x-16 and 6x+2. What is the measure of the largest angle

    asked on April 26, 2010
  22. Math

    Translate the phrase into an expression: 8 times the sum of 7 and y

    asked on September 26, 2019
  23. Math

    Which of the following sets of ordered pairs represents a function? {(5,2),(2,6),(5,10),(1,2)} {(-3,2),(2,6),(5,2),(1,7)} {(-3,2,(2,6),(3,10),(1,7)} {(-3,2),(2,6),(5,10),(2,-1)} ^dont get this one.. Which expression is equal to (f+g)(x)?

    asked on November 8, 2016
  24. chemistry

    a piece of metallic iron (10 moles) was dissolved in concentrated hydrochloric acid. the reaction formed iron (II) chloride and hydrogen gas. how many moles of iron (II) chloride were formed?

    asked on March 26, 2014
  25. chemistry

    What is the type of glycosidic bond in case alpha?

    asked on December 16, 2012
  26. Chemistry

    When disaccharide alpha is hydrolyzed, which monosaccharide units are produced? A) D-glucose and D-fructose monosaccharide units B) two D-fructose monosaccharide units C) two D-glucose monosaccharide units

    asked on December 16, 2012
  27. Physics 2

    A 10 g bullet is fired into, and embeds itself in, a 2 kg block attached to a spring with a force constant of 19.6 n/m and whose mass is negligible. How far is the spring compressed if the bullet has a speed of 300 m/s just before it strikes the block and

    asked on January 20, 2012
  28. Chemistry

    Explain, in terms of electronegativity, why an H-F bond is expected to be more polar than an H-I bond.

    asked on January 4, 2011
  29. chemistry

    A major component of gasoline is octane (C8H18). When octane is burned in air it chemically reacts with oxygen (O2) to produce carbon dioxide (CO2) and water (H2O). What mass of oxygen gas is consumed by the reaction of 8.17g of octane?.

    asked on December 4, 2016
  30. algebra

    a hot-air balloon is tethered to the ground and only moves up and down. You and a friend take a ride on the balloon for approximately 25 minutes. On this particular ride the velocity of the balloon, v(t) in feet per minute, as a function of time, t in

    asked on November 21, 2013
  31. college algebra

    In 4 years, 30% of a radioactive element decays. Find its half-life. (Round your answer to one decimal place.) _____ yr

    asked on November 17, 2013
  32. physics

    A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. The ball leaves the club at a speed of 16.1 m/s at an angle of 41.1° above the horizontal. It rises to its maximum height and then falls down to the green.

    asked on January 31, 2013
  33. chemistry

    Gaseous methane CH4 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O . Suppose 0.481 g of methane is mixed with 2.9 g of oxygen. Calculate the maximum mass of carbon dioxide that could be produced by the

    asked on October 3, 2014
  34. Chemistry

    Explain how you would prepare 100.0 mL of 0.500 M NaCl solution. Include the appropriate glassware and calculations.

    asked on February 25, 2013
  35. physics

    In a marathon race, Chad is out in front, running due north at a speed of 3.92 m/s. John is 92 m behind him, running due north at a speed of 4.33 m/s. How long does it take for John to pass Chad?

    asked on January 31, 2013
  36. English/Grammar

    Having trouble finding the simple predicates in the follwing sentences.. 1.They have destroyed some buildings. 2.The insects bodies can turn wood into food. 3.The insects damage property. 4. These insects eat wood. 5. Most of the insects are workers or

    asked on September 30, 2007
  37. college math HELP!!!!!

    The quantity demanded x each month of Russo Espresso Makers is 250 when the unit price p is $180; the quantity demanded each month is 1000 when the unit price is $150. The suppliers will market 750 espresso makers if the unit price is $80. At a unit price

    asked on January 19, 2014
  38. college algebra

    An isotope of lead, 201Pb, has a half-life of 8.4 hours. How many hours ago was there 40% more of the substance? (Round your answer to one decimal place.) ____hr

    asked on November 17, 2013
  39. Physics

    A vehicle is travelling at 25.0 m/s. It brakes provide an acceleration of -3.75 m/s^2[forward]. What is the driver's maximum reaction time if she is to avoid hitting an obstacle 95.0 m away? the answer is a number less than 0.5 second. can you tell me the

    asked on October 31, 2011
  40. Chemistry

    How much HNO3 can be made from 25.0g of NO2?

    asked on June 23, 2011
  41. standard deviation

    the mean is 3.5. dtandard deviation is .5. sally's score is 1.5 on test. how many standard deviations is she from the mean? billy scores 5. what is his standard score? what scale of measurement is being used? is it appropriate? why/why not?

    asked on March 24, 2010
  42. Math

    I have a 3 part question that I have the answers for but I am still having issues understanding it. Looking for help with the explanation / steps on how you would get the answer. Question 1) The width of a rectangular field is 3h yards and it's length is 3

    asked on December 6, 2017
  43. math

    find the image (0,0) after two reflections first across y=3 and then across X-axis

    asked on September 18, 2016
  44. English

    What best describes Emily Dickinson's attitude towards death? A.sentimental B.angry C.accepting

    asked on November 19, 2015
  45. Chemistry

    A solution contains Cr3+ ion and Mg2+ ion. The addition of 1.00 L of 1.55M NaF solution is required to cause the complete precipitation of these ions as CrF3(s) and MgF2(s). The total mass of the precipitate is 49.9g .Find the mass of Cr3+ in the original

    asked on October 1, 2014
  46. physics

    The drawing shows a parallel plate capacitor that is moving with a speed of 30 m/s through a 3.1 T magnetic field. The velocity vector v is perpendicular to the magnetic field. The electric field within the capacitor has a value of 170 N/C, and each plate

    asked on February 26, 2014
  47. Algebra

    Allison drove home at 68 mph but her brother who left at the same time could only drive at 54 mph. When Allison arived, her brother still had 84 miles to go. How far did Allison drive?

    asked on September 5, 2013
  48. social and criminal justice

    Hello I have a 2 to 3 page paper due on Monday 11/14, 2011 and I am having trouble finding good reliable information to complete the assignment. The instructions are to: Prepare a paper identifying at least three changes expected in the field of criminal

    asked on November 11, 2011
  49. Math

    Find the equation of the circle that satisfies the given conditions. Center at the origin and passes through (7, 9) 130 = ?

    asked on September 9, 2011
  50. math

    Ajax is 8 km due west of Oshawa. Uxbridge is 16 km NW of Oshawa. How far is it from Ajax to Uxbridge? Explain whether you have enough information to solve this problem. my answer was 13.856 km but not confident how I found the angle oshawa to begin with. I

    asked on August 21, 2011
  51. Managerial Economics

    At a recent board meeting, the president and CEO got into a heated argument about whether to shut down the firm's plant in Miami. The Miami plant should continue to operate, at least until a buyer is for the production facility. The president's argument

    asked on June 4, 2008
  52. math

    Forty-eight sheep live on the farm. Thirty-six cows also live on the farm. What is the ratio of sheep to cows

    asked on April 25, 2017
  53. Chemistry

    Theoretically how many grams of malachite should be formed when 1.5 moles of Copper Sulphate reacts with an excess of sodium carbonate?

    asked on July 12, 2016
  54. math

    The base of a solid is the region bounded by the parabola x^2 = 8y and y=4. Each cross section perpendicular to the y-axis is an equilateral triangle. Find the volume.

    asked on March 12, 2016
  55. algebra

    A rental truck costs $50 plus $0.40 per mile. Write an equation that gives the cost of driving the truck x miles Use the intersection of graphs method to determine the number of miles that the truck is driven if the rental cost is $70. Solve part (b)

    asked on February 13, 2016
  56. History

    Question 1 In the late nineteenth and early twentieth centuries, European nations formed alliances in order to __________. keep peace on the continent

    asked on November 13, 2015
  57. Math

    If a and b are positive numbers, find the maximum value of f(x)=x^a(1−x)^b, 0≤x≤1 Your answer may depend on a and b.

    asked on February 8, 2015
  58. physics

    An electric heater used to boil small amounts of water consists of a 25-Ω coil that is immersed directly in the water. It operates from a 60-V socket. How much time is required for this heater to raise the temperature of 0.50 kg of water from 29° C to

    asked on January 27, 2014
  59. college finite math

    A product may be made using Machine I or Machine II. The manufacturer estimates that the monthly fixed costs of using Machine I are $17,000, whereas the monthly fixed costs of using Machine II are $14,000. The variable costs of manufacturing 1 unit of the

    asked on January 19, 2014
  60. Chemistry

    A solution is made by mixing 37.0 mL of ethanol, C2H6O, and 63.0 mL of water.? Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C? ethanol: 0.789 g/mL 43.9 torr water : 0.998 g/mL 17.5 torr

    asked on March 2, 2013
  61. Physics

    The average distance separating earth and moon is 384000 km. What is the net gravitational force exerted by earth and moon on a 3.00 * 10^4 kg spaceship located halfway between them.

    asked on November 1, 2011
  62. math

    Suppose the cost function associated with a product is C(x) = cx + F dollars and the revenue function is R(x) = sx, where c denotes the unit cost of production, s the unit selling price, F the fixed cost incurred by the firm, and x the level of production

    asked on May 7, 2011
  63. Finite Math

    A bank deposit paying simple interest at the rate of 8% per year grew to a sum of $1200 in 10 months. Find the principal. (Round your answer to the nearest cent.)

    asked on May 7, 2011
  64. us history

    "Although the economic growth of the United States between 1860 and 1900 has been attributed to a governmental policy of laissez-faire, it was in fact encouraged and sustained by direct government intervention." Assess the validity of this statement. What

    asked on January 13, 2011
  65. Science

    Two cars have the same mass, but one is moving three times faster than the other. How much more work will be needed to stop the faster car?

    asked on February 14, 2009
  66. algebra

    The length of a rectangular garden is 5 ft less than 3 times its width. If the perimeter of the garden is 22 ft, find the dimensions of the garden. I will start you off with... let the width be w, then the length is 3w - 5 I am pretty sure you can form the

    asked on May 13, 2007
  67. physics

    A navy jet with a weight of 231 kN requires an airspeed of 85 m/s for liftoff. The engine develops a maximum force of 107 kN, but that is insufficient for reaching takeoff speed in the 90 m runway available on an aircraft carrier. What minimum force

    asked on November 26, 2006
  68. math

    The sum of ten and the quotient of a number xxx and 666.

    asked on March 24, 2020
  69. math

    In a mixture of​ concrete, there are four lb of cement mix for each pound of gravel. If the mixture contains a total of 215 lb of these two​ ingredients, how many pounds of gravel are​ there?

    asked on February 4, 2018
  70. Math

    Please help me with the following. Write a word phrase to represent the numerical expression below. 5 + ( 17 - 8 )

    asked on December 5, 2017
  71. Chemistry

    The dosage of technetium -99m for a lung scan is 20 uci/ kg of body weight. How many millicuries should be given to a patient (1 mci=1000uci)

    asked on March 2, 2015
  72. college finite math

    Cowling's Rule is a method for calculating pediatric drug dosages. If a denotes the adult dosage (in milligrams) and if t is the child's age (in years), then the child's dosage is given by D(t) = (t + 1/24)a (a) Show that D is a linear function of t. Hint:

    asked on January 19, 2014
  73. social studies

    daydreaming can be an expression of: A) repression B) denial C) sublimation D) projection My answer is D

    asked on September 29, 2013
  74. CHEM

    joules to melt a 525g ice cube at 0∘C and to warm the liquid

    asked on September 8, 2013
  75. Cal

    Find the critical number of the function. g(t) = | 4t - 9 |

    asked on April 3, 2013
  76. Cal 1

    Find the linearization L(x) of the function at a. f(x) = x^4/5, a = 32

    asked on March 7, 2013
  77. chemistry

    If 8.00g of methane is burned with 6.00g of oxygen. How much methane,oxygen,carbon dioxide,and water remain after the reaction is complete in grams?

    asked on November 12, 2012
  78. physis

    A box slides downwards at a constant velocity on an inclined surface that has a coefficient of friction uK = .58 The angle of the incline, in degrees, is most nearly:

    asked on November 9, 2012
  79. Chemistry

    A 1.30-L sample of argon gas is at 1.02 atm and 21.5 degrees Celsius. a. what mass of argon is in the container. b. If the temperature is raised to 500 degrees celsius while the volume remains constant, calculate the new pressure, in stmospheres.

    asked on November 9, 2012
  80. physics

    a jet plane flying at 550 m/s makes a curve. The radius of the circle in which the plane is flying is 9.0 X 10^3 m. What centripetal acceleration does the plane experience? Express this acceleration relative to g, the acceleration due to gravity.

    asked on November 1, 2011
  81. Finite Math

    Find the effective rate of interest corresponding to a nominal rate of 6%/year compounded annually, semiannually, quarterly, and monthly. (Round your answers to two decimal places.)

    asked on May 6, 2011
  82. Science

    what is the word equation for the formation of acid rain?

    asked on October 9, 2008
  83. geometry

    Heather is given the coordinates of the vertices of quadrilateral ABCD. ABCD. She is asked to prove whether the quadrilateral is a parallelogram. Her proof follows the diagram. Given: Quadrilateral ABCD ABCD has vertices at A(−8,−1), A(−8,−1),

    asked on March 4, 2020
  84. algebra

    factorise 9- a^6+2a^3b^3-b^6

    asked on February 9, 2018
  85. math

    solve using law of sines or cosines A=?,B=51°,C=?,a=6m,b=?,c=7m

    asked on November 14, 2016
  86. physics

    A tungsten wire has a radius of 0.077 mm and is heated from 20.0 to 1205 °C. The temperature coefficient of resistivity is α = 4.5 10-3 (C°)−1. When 110 V is applied across the ends of the hot wire, a current of 1.3 A is produced. How long is the

    asked on January 27, 2014
  87. college finite math

    A division of a company produces "Personal Income Tax" diaries. Each diary sells for $6. The monthly fixed costs incurred by the division are $30,000, and the variable cost of producing each diary is $1. (a) Find the break-even point for the division. (x,

    asked on January 19, 2014
  88. college algebra

    Solve the exponential equation using logarithms. Give the answer in decimal form, rounding to four decimal places. (Enter your answers as a comma-separated list.) 4^(x − 3) = 3^(2x) x = _____

    asked on November 18, 2013
  89. College Algebra

    Use a calculator to help solve the problem. One isotope of holmium, 162Ho, has a half life of 22 minutes. The half-life of a second isotope, 164Ho, is 37 minutes. Starting with a sample containing equal amounts, find the ratio of the amounts of 162Ho to

    asked on November 4, 2013
  90. Algebra

    Kevin stuffs shrimp in his job as a seafood chef. He can stuff 1200 shrimp in 4 hours. When his sister helps him, they can stuff 1200 shrimp in 3 hours. If kevin gets sick, how long will it take his sister to stuff 600 shrimp?

    asked on September 5, 2013
  91. Physics

    a cylinder of gas is at a room temp (20 c) the air conditioner breaks down and the tempture rises to 58c what is the new pressure of the gas relative to its initial pressure?

    asked on July 30, 2013
  92. math

    a rectangle has a length of 10 3/16 inches and a width of 6 7/8 inches. nwhat is the perimeter of the rectangle

    asked on May 29, 2013
  93. Physics

    The drawing shows a sulfur dioxide molecule. It consists of two oxygen atoms and a sulfur atom. A sulfur atom is twice as massive as an oxygen atom. Using this information and the data provided in the drawing, find (a) the x coordinate and (b) the y

    asked on April 1, 2013
  94. physics

    Two curves on a highway have the same radii. However, one is unbanked and the other is banked at an angle θ. A car can safely travel along the unbanked curve at a maximum speed v0 under conditions when the coefficient of static friction between the tires

    asked on February 28, 2013
  95. English

    why wouldn't employees be paid or compensated for extensive overtime? Is the branch following eimployee contractual agreements and agency/branch policies? Is the Roanoke branch operating under different salary scales/schedules than others Phoenix offices?

    asked on July 16, 2012
  96. math

    If 611 men at a conference comprise 65% of all people at the conference, how many people are at the conference?

    asked on April 14, 2012
  97. physics

    An 845 N sled is pulled a distance of 180 m. The task requires 1.38 x 104 J of work and is done by pulling on a rope with a force of 122 N. The rope is held at _____° above the horizontal.

    asked on January 24, 2012
  98. Physics

    a student attaches a mass to the end of a 0.80 m string. The system will be whirled in a horizontal circular path at 31.5 m/s. The maximum tension the string can withstand without breaking is 250 N. What is the maximum mass the student can use?

    asked on November 1, 2011
  99. Finite Math

    Solve the system of linear equations, using the Gauss-Jordan elimination method. (If there is no solution, enter NO SOLUTION. If there are infinitely many solutions involving one parameter, enter the solution using t for the last variable. If the solution

    asked on September 11, 2011
  100. physics

    An object is lifted from the surface of a spherical planet to an altitude equal to the radius of the planet. As a result, what happens to the mass and wieght of the object?

    asked on February 10, 2011


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