Popular questions and responses by carrie
  1. Math

    How much longer (percentage) is a one-mile race than a 1500- race?

    asked on August 28, 2009
  2. Math

    A spinner has regions numbered 1 through 21. What is the probability that the spinner will stop on an even number or a multiple of 3? Okay so I am lost. I understand that the probability of an event is the # of ways an event can occur over the total # of

    asked on March 7, 2010
  3. Math

    I have a bar graph that shows the number of students by major in the College of Arts and Science. Math shows 200 students History shows 300 students English shows 400 students Science shows 150 students Other shows 175 students What percent of students in

    asked on March 6, 2010
  4. Chemistry

    I was just wanting to make sure I did these right. How many grams of solute are in each of the following solutions? a.) 2.5 L of 3.0 M Al(NO3)3 solution. for this one I get 1600 g of Al(NO3)3 b.) 75 ml of 0.5 M C6H12O6 solution. and for this one I get 6.8g

    asked on November 29, 2010
  5. Chemistry-help needed

    I am asked to draw the 'dot and cross' diagram to show the ionic bonding in sodium chloride. I am asked to show only the outer electronic structure. Sodium has 2.8.1 electronic configuration. After losing 1 electron to chlorine, it has 2.8 electronic

    asked on March 26, 2009
  6. Math

    Write a paragraph proof of this theorem: In a plane, if two lines are perpendicular to the same line, then they are parallel to each other.

    asked on October 13, 2014
  7. Math

    A kite, 135m higher above the ground has a string 200m long.Determine the angle formed by the string and the ground.

    asked on March 24, 2019
  8. Business math

    Choose the correct answers for (a) the total installment price, (b) the carrying charges, and (c) the number of months needed to save the money at the monthly rate to buy the item for its cash price. A dinette table with a cash price of $200 at $8.50 down

    asked on May 5, 2016
  9. finance

    A firm's long term assets = $75,000, total assets = $200,000, inventory = $25,000 and current liabilities = $50,000.

    asked on July 13, 2008
  10. Math

    Mr.Santiago brought 10 crates of oranges. There were 50 oranges in each crates. He sold 65% of them. 8% of the remainder went bad, and he threw them away. A) How much money did Mr.Santiago earn if he sold the oranges 5 for $1.20 B) If he made $24.15 by

    asked on October 28, 2011
  11. Math

    Question: The total yearly food bill for a family of four is $8589.88. To the nearest cent, what is the mean weekly food bill? Would I take $8589.88 divided by 52.365 (this is the number of weeks in a year) to get the answer $164.04?

    asked on March 7, 2010
  12. physics

    A 6.0-kg box is raised a distance of 3.0m from rest by a vertical applied force of 80 N. Find (a) the work done on the box by the applied force, (b) the work done on the box by gravity, and (c) the final kinetic energy of the box.

    asked on February 24, 2010
  13. please help physics!!!!

    Two dynamics carts are placed end to end. Cart 1 (1.2 kg) is stuck to cart 2 (1.8 kg). Cart 1 is pushed with a force of 18.9 N (west),causing cart 1 to push cart 2 forward. Ignore the force of friction. Calculate the acceleration of each cart Calculate the

    asked on October 21, 2014
  14. college math

    the perimeter of a rectangular traffic sign is 120 inches Also, its length is 6 inches longer than its width

    asked on April 13, 2013
  15. chemistry

    given the reaction 4NH3 + 3O2 =2N2 + 6H20 how many moles of N2 would form if 2.77 moles of NH3 reacted completely?

    asked on April 3, 2011
  16. Finite math

    Consider the supply equation p=2x+10, where x is the quantity supplied in units of 1,000 and p is the unit price in dollars. Determine the number of units of the commodity the supplier will make available in the market at the given unit price. p=18

    asked on November 11, 2018
  17. Chemistry

    Calculate the solubility of Ag2CrO4 in a) 0.05M KClO4 b) 0.005M AgNO3 a) I have figured out: Ag2CrO4=2Ag- + CrO42- Ksp=1.12*10^-12. Ksp=[2Ag]^2*[CrO4] Ksp=(2x)^2(x) = 1.12*10^-12=4x^3= x=2.65*10^-5 (?) b)Ag2CrO4=2Ag- + CrO42- Ksp=1.12*10^-12.

    asked on April 6, 2015
  18. Geometry

    The measures of the angles in a triangle are in the extended ratio 3:4:5. Find the measures of the angles. show work x = m∠1 = ° m∠2 = ° m∠3 = °

    asked on February 1, 2016
  19. government

    Approximately _____ of the country's adult population has internet access. a. one-third b. two-thirds c. one-quarter d. three-quarters I am guessing d. the others seem to low. The book states that the number of U.S. internet users hit 194 million in 2008

    asked on April 9, 2015
  20. grammar

    Though no vote ____taken, each delegate and alternate _____there. a.was, was b.was, were c.were, was d.were, were I chose a, because I think that each before delegate makes it singular. But I also think that and between delegate and alternate might mean it

    asked on April 7, 2015
  21. Orgo

    Assume that during an extraction experiment you have lost track of which layer is the aqueous layer. How could you determine which layer is which by the use of a simple test?

    asked on October 5, 2009
  22. Accounting

    A business pays weekly salaries of $20,000 on Friday for a five-day week ending on that day. The adjusting entry necessary at the end of the fiscal period ending on Thursday is: debit Salaries Payable, $16,000; credit Cash, $16,000 debit Salary Expense,

    asked on November 29, 2007
  23. math

    Sharon made a scale drawing of a triangular park. The coordinates for the vertices of the park are: (– 10, 5) (15, 5) (10, 12) Her scale is 1 unit = 1 meter. What is the area of the triangular park in square meters?

    asked on June 13, 2015
  24. bio please help Ms sue

    DNA is copied by an enzyme called DNA (A) __________, and the process of copying DNA is called (B) __________. The two new double-stranded DNA molecules have one strand from the original DNA molecule and one strand from the freshly assembled strand of

    asked on May 26, 2014
  25. Math

    Find 3 coordinates on the circle when the center of the circle is (4, -3) and the radius is 5 Help me!!! Thank you :)

    asked on May 13, 2010
  26. English

    using the answer line provided, complete each item below with the correct word from the box.use each word once. commemorate consensus diligent empathy transcend complacent deplete menial niche waive 1. the old man decided to _________ any claim he had to

    asked on April 25, 2019
  27. Math

    A decorative pottery bowl with a diameter of 30 cm is used as a garden ornament . A rain shower fills it with water to a maximum depth of 7 cm. The bowl is slowly tipped to remove the water. What angle will the rim of the bowl make with the horizontal when

    asked on November 24, 2016
  28. Math

    Write a two column proof. Given: 7y = 8x - 14; y = 6 Prove: x = 7

    asked on September 29, 2014
  29. math

    The Canadian $2 coin has a copper centre surrounded by a ring of nickel. The diameter of the coin is 2.8 cm. The area of the copper centre is 2.0 cm2. What is the area of the nickel ring?

    asked on November 25, 2013
  30. Math 6 help ??????

    teacher brings 3 gallons of juice on a field trip. There are 36 students on the trip. a. How many fluid ounces of juice does the teacher bring? Show your work. b. Does the teacher have enough juice to give each student a 12-fluid ounce glass of juice?

    asked on January 27, 2013
  31. math

    Use long division to find the quotient below. Enter your answer as a polynomial in descending order, using the caret ( ^ ) for exponents; for example, enter x2 as x^2.(x2 + 10x + 21) (x + 3)

    asked on May 10, 2012
  32. PLEASE HELP Chem

    Please tell me if these are right. 1.According to Le Chatelier’s principle, what is the effect on the products when N2 is added to the equilibrium mixture of each of the following reactions? a. 2NH3(g) < = > 3H2(g) + N2(g) B. N2(g) + O2(g) 2NO(g) C.

    asked on December 7, 2010
  33. Chemistry

    I am supposed to create a "possible" mechanism for the reaction 2A + B --> 2C when the rate law is Rate=k[A][B]^2. This mechanism can include any letters (but must obviously include As, Bs, and Cs). Preferably it should be 3 or more steps including at one

    asked on March 3, 2008
  34. accounting

    XYZ's receivables turnover is 10x. The accounts receivable at year-end are $600,000. The average collection period is 90 days (3 months). What was the sales figure for the year? A) $60,000 B) $6,000,000 C) $24,000,000 D) none of the above

    asked on July 13, 2008
  35. Math

    if someone rolls a cube 60 times how many times would it take them to roll a number less than 3?

    asked on February 10, 2021
  36. algebra

    Gary Glaze requires 25 hours to put a new roof on a house. His​ apprentice, Anna​ Gandy, can reroof the house by herself in 32 hours. After working alone on a roof for 20 ​hours, Gary leaves for another job. Anna takes over and completes the job. How

    asked on October 26, 2019
  37. Language Arts

    1. Why does Scrooge object people enjoying Christmas? A. he is sad at Christmas because Marley died on Christmas Eve B. He actually likes Christmas and only pretends to dislike it. C. He believes poor people should be unhappy, even at Christmas. D. He

    asked on March 18, 2016
  38. Geometry

    The ratio of the side lengths of a quadrilateral is 2:4:5:7 and its perimeter is 36 meters. Determine the length of each side. x = a = b = c = d = Show work

    asked on February 1, 2016
  39. Math

    Write a paragraph proof of this theorem: In a plane, if two lines are perpendicular to the same line, then they are parallel to each other

    asked on October 14, 2014
  40. statistics

    A standardized third grade reading test, called the We Can Read Test, has a mean of 50 with a standard deviation of 10. A developmental psychologist conducts a study, where he assesses the reading ability of a random sample of 75 third graders using the We

    asked on April 16, 2014
  41. Chemistry

    How do I calculate the amount of grams of Na2HPO4 and NaH2PO4 to prepare 200 mL of a buffer with an 8.25 pH so the sum of the concentrations of HPO4 and H2PO4 ions is 0.5 M? Does this involve writing a Ka expression and equilibrium? I am confused and

    asked on March 11, 2012
  42. Math

    Ok so you're supposed to solve the system by method of substitution. And the problem is: -2/3x + y = 2 2x - 3y = 6 So i put y= 2/3x into the second equation which looks like: 2x - 3(2/3x + 2) = 6 and then 2x-2x-6=6 So like everything cancels out? So then

    asked on February 15, 2012
  43. Media Influences on American Culture

    Take the role of Director of marketing for WhizBang Games as it evaluates various forms of Social media in helping to create a "buzz" around the latest game, Master Dynasty; a social game

    asked on July 4, 2011
  44. Chemistry

    This is a lab I have, but have no clue what to do. Please do out the steps so i can understand. Reactions and Data: NaOH(s)--> Na1+(aq)+ OH1-(aq) (Heat of solution of NaOH) This reaction involves adding solid NaOH to water and watching the temperature

    asked on December 31, 2011
  45. science

    when you use a graph to solve a problem about how far a car traveled during a specified time during which it was accelerating how many area calculations do you have to make? what is/ are the shape/shapes you are calculating? a. one area calculation, a

    asked on May 12, 2010
  46. Math

    Write a brief scenario that can modeled with a linear equation. AND Summarize a situation modeled by a quadratic equation. I am completly lost with these two questions. I understand the difference between these two functins but don't know how to come up

    asked on April 8, 2010
  47. Chemistry

    What is the theoretical yield of p-bromotoluene (C7H7Br) from reacting 1.5 grams of toluene (C7H8) with an excess of bromine and an iron catalyst? Please help

    asked on August 30, 2009
  48. Chemistry

    Is this equation correct? 8Fe + S8 --> 8FeS

    asked on February 26, 2009
  49. Problem Solving

    Lindsey has 75% as her final grade, but after she writes her exam she gets 85%. If her exam is worth 7.5%, what is her final grade.

    asked on June 14, 2008
  50. Physics

    170 students in a lecture hall can scream at 115 dB. Thus, we should expect that: A. an average student can do 0.68 dB by him or herself. B.340 average students can do 125 dB. C.340 average students can do 230 dB. D.1700 average students can do 125 dB.

    asked on May 7, 2008
  51. finite

    A 4-digit number is selected from the numbers {1,2,3,4,5,6} where the digits are selected without replacement. How many 4-digit numbers can be selected that are greater than 3000? How many even 4-digit numbers can be chosen? How many 4-digit numbers can be

    asked on December 16, 2020
  52. Math

    3/4 of the track team are girls. 2/5 of the girls are in 8th grade. How many girls are in 8th grade?

    asked on November 18, 2020
  53. Math

    Raven found 30 coins. 1/6 were pennies, 1/5 were nickels, 1/3 were dimes and the rest were quarters. Tell how many of each coins Raven found. How did we find the answer.

    asked on February 29, 2016
  54. Geometry

    In December 2004, the exchange rate of Mexican pesos to American dollars was 9.52 to 1. You paid 450 pesos for a jacket. Use the following model to find the price of the jacket in dollars. Show work

    asked on February 1, 2016
  55. Geometry

    The perimeter of a triangle is 45 feet. The ratio of the width to the length is 2:3:4. Find the measure of each side. show work x = a = b = c =

    asked on February 1, 2016
  56. Check my answers for world history

    Star* by my answer 7. Which of the following was not a goal of Roosevelt's Square Deal? Creation of a social security system. Ensure that goods produced by American businesses were safe for consumers.* Conservation and preservation of the environment in

    asked on January 20, 2016
  57. Science

    Felipe made a toy boat out of clay, but it kept sinking in water. He changed the boat's design by making it slightly wider than before. Why did Felipe's newly designed boat float on water? A. He decreased the density by increasing the volume. B. He

    asked on October 28, 2015
  58. Social Studies

    Which of the following groups of Indians refused to cede land to Georgia in the 1783 Treaty of Augusta?(1 Point) A. Cherokee B. Sioux C. Lower Creek D. Upper Creek

    asked on October 23, 2015
  59. Chemistry

    The soda was found to have a sugar concentration of 9.6% (wt./vol.). How many teaspoons of sugar are in a can of soda? (One can is 12fl.oz or 355mL) (1 teaspoon is approx. 4g)

    asked on April 27, 2015
  60. college math

    Write each ratio or rate as a fraction in simplest form. l 1/2 to 3/4 That's One and one half to three fourths I think the answer is 2/1

    asked on April 23, 2015
  61. College math

    Perform the indicated operations. Round division answers to the nearest thousandth if necessary. I have the answer 8.3, did not think you needed to round the thousandth.

    asked on April 23, 2015
  62. government

    There are up to _______ judges on an appeals court, only ______ usually hear each case. a. 12;5 b. 12;3 c. 15;5 d. 15;3 I chose d. The book states that, that the United states is divided into 13 courts of appeals. There are 12 geographic circuits, and 1

    asked on April 9, 2015
  63. English

    What do these archetypes represent in our society? Hero Villain Mentors Rebel Faithful companion

    asked on January 10, 2015
  64. government

    A shift towaard cooperative federalism was evidenced by President Obama's support of the stimulus bill that included temporary_______funding for_______functions such as education and public safety. A.federal;state B.state;state C.state;federal

    asked on January 6, 2015
  65. Phsyics

    how fast will a sled go on a 30 degree snow covered hill? how fast will a sled go steep 60 degree angle? how fast would a sled go on a 40 degree angle?

    asked on January 6, 2015
  66. physics

    Two toy ducks attached to each other by a string, are being pulled by a child. The front duck is m1= 5.0 kg and the back duck is m2= 2.0 kg. The happy guy pulls them with a force of 10 N and friction exists. The toys are moving with constant velocity. A)

    asked on October 22, 2014
  67. bio

    The probability that their baby will be a carrier of the gene for PKU is (A) ___3/4_______. The probability that their baby will be affected by PKU is (B) __________. If both genotypes were Pp, the probability that their baby would be affected by PKU would

    asked on May 30, 2014
  68. biology plz help

    Holly knows from talking with Renee that genes control traits and are determined by the sequence of nucleotides. When that sequence of nucleotides is altered for some reason during DNA replication, it can lead to the gene being expressed in a different way

    asked on May 27, 2014
  69. please help

    As you exercise, bones become __________ dense. This is because the process of bone remodeling allows __________ to deposit calcium into your bones, making them stronger with regular exercise. Less, osteoclasts Less, osteoblasts More, osteoblasts More,

    asked on May 25, 2014
  70. please help

    A skeletal disorder referred to as a __________ occurs when two bones at a joint are no longer in contact with each other

    asked on May 25, 2014
  71. Geometry

    What is the area of an equilateral triangle with sides of 10 inches and height of 7 inches? Can you please check my answer and my reasoning? A. 44 sq. in. B. 20 sq. in. C. 70 sq. in. D. 35 sq. in. I picked D, because I took 10x7=70and divided that by 2,

    asked on February 12, 2014
  72. Math grade 8

    Karim is painting a design on a cylindrical barrel. The height of the barrel is 1.2 m. The radius of its base is 0.3 m. What area will the paint have to cover? (Remember to include the bottom and lid of the barrel.)

    asked on December 1, 2013
  73. algebra

    Archers need to use arrows that do not bend easily. Th e table shows how the weight of an arrow affects its spine, or the distance the center of the arrow bends when a certain constant weight is attached. Graph the data in the table to find a linear and a

    asked on November 5, 2013
  74. Statistics

    A batch consists of 20 bad apples and 80 good ones. What is the probability of selecting 2 good apples when two are randomly selected if the first selection is replaced before the second is made?

    asked on July 15, 2013
  75. statistics

    Steven collected data from 20 college students on their emotional responses to classical music. Students listened to two 30-second segments from “The Collection from the Best of Classical Music.” After listening to a segment, the students rated it on a

    asked on July 9, 2013
  76. HEALTH

    The key to using a pedometer to meet the Physical Activity Guidelines for Americans is to _________. A. First set a time goal and then calculate how rigorous the steps need to be each day to reach your goal B. First calculate how many steps are needed

    asked on April 17, 2013
  77. college math

    5u+2v=-15 3u+v=-8 Im not sure how to do this problem

    asked on April 14, 2013
  78. car!

    Which one of these statements is true about a "bumper-to-bumper" warranty. A. Normal wear and tear is NOT covered by the warranty. B. All expenses except gasoline and routine oil changes are covered by the warranty. C. Every part and system is covered

    asked on April 12, 2013
  79. tudor

    a number that is between 100 and less then 200 and the number is 19 times larger than its sum

    asked on February 10, 2013
  80. math

    I don't understand how to do my math homework. 7 over 6. (-18 over 35)

    asked on December 13, 2012
  81. Physics

    A man jumps straight up at 5m/s. a. Determine the time the man is in the air. b. Determine the maximum height the man would reach. c. As he jumps, a jerk pushes him in the back, giving him a velocity of 12m/s. determine the range of the man. d. Solve for

    asked on November 19, 2012
  82. pattern help please??

    write the next three terms and write a rule to describe the number pattern. .57, 0.66, 0.75, .084, ...

    asked on November 8, 2012
  83. englsih writing tips

    So I really want my writing to improve. My teacher is extremely critical on people's writing. I know this is to help us but I feel incredibly stupid when she covers my paper with harsh comments. I just want her to like something in my writing. I feel like

    asked on October 31, 2012
  84. Physics

    Sorry I am completly lost on this one and it is my last homework problem. Due in a couple of hours if someone could help. I would greatly appreciate it. A block is placed on an inclined plane. The acceleration of gravity is 9.8 m/s^2. What force is

    asked on September 26, 2012
  85. Adams

    Sorry I am completly lost on this one and it is my last homework problem. Due in a couple of hours if someone could help. I would greatly appreciate it. A block is placed on an inclined plane. The acceleration of gravity is 9.8 m/s^2. What force is

    asked on September 26, 2012
  86. physics

    It takes you 8.2 min to walk with an average velocity of 1.3 m/s to the north from the bus stop to the museum entrance. How far did you walk?

    asked on September 2, 2012
  87. Chem

    What is the hydroxide ion concentration of a solution prepared by dissolving 0.488 g of Mg(OH)2 in 236 mL of water? How do I solve this???

    asked on July 25, 2012
  88. Healthcare Legal Concepts

    Explain the role that a health information technician may play in the judicial process. I am not asking for the answers but a good place to look

    asked on May 29, 2012
  89. Chemistry

    Name and describe two colligative properties that are affected by solute concentration, then list whyone would be affected in that manner. So this is what i put for my answer Lowers freezing point: Each additional level of molal concentration lowers the

    asked on May 26, 2012
  90. chemistry

    How many grams of water are required to dissolve 27.8g of NH4(NO3)(MM=80.05 g/mol)to make a 0.500M solution?

    asked on March 4, 2012
  91. Chemistry

    If 25 grams of CoCl2•H2O,2 being the subscript of cl and the h, was heated to constant weight. What mass of anhydrous salt would remain?

    asked on February 14, 2012
  92. Chemistry

    For the following reaction: 6ClO2 (g) + 3H2O (l) = 5HClO3 (l) + HCl (g) If a chemist wants to make 55.0 g of HCl, how much ClO2 is needed?

    asked on November 14, 2011
  93. Chemistry

    For the following reaction: Al2(SO4)3 + 6NaOH = 2Al(OH)3 + 3Na2SO4 How many moles of Na2SO4 can be made with 3.2 moles of NaOH and excess Al2(SO4)3?

    asked on November 14, 2011
  94. Chemistry

    In the reaction between aluminum and hydrochloric acid, how many moles of hydrogen gas would be liberated when 3.612E-2 grams of aluminum are treated with excess hydrochloric acid? Moles of hydrogen gas liberated = mol The atmospheric pressure was measured

    asked on November 5, 2011
  95. Chemistry

    In the reaction between aluminum and hydrochloric acid, how many moles of hydrogen gas would be liberated when 3.612E-2 grams of aluminum are treated with excess hydrochloric acid? Moles of hydrogen gas liberated = mol The atmospheric pressure was measured

    asked on November 4, 2011
  96. Chemistry

    In one experiment, the mass of water is 92.6 grams, the initial temperature of the water is 67.6oC, the mass of liquid nitrogen added to the water is 61.4 grams, and the final temperature of the water, after the liquid nitrogen has vaporized, is 35.6oC.

    asked on October 13, 2011
  97. Chemistry

    Ethanol (C2H5OH) boils at a temperature of 78.3oC. What amount of energy, in joules, is necessary to heat to boiling and then completely vaporize a 13.1 g sample of ethanol initially at a temperature of 11.1oC. The specific heat of ethanol is approximately

    asked on October 6, 2011
  98. composition and communication 1

    Indiviuals can be denied credit for a number of reasons, Individuals who are near limit on existing cards, have to much outstandind debt or too many accounts overall, have a history of a late payments, charge off or bankruptucy are likely to be denied

    asked on June 26, 2011
  99. Pre Algebra

    I am doing an ice cream cone project for math on cones and had to figure out the surface area for them, but there is a question that is "how to the surface and lateral area of each relate?" my teacher said you will see a pattern but i dont. i.e. sa=

    asked on May 10, 2011
  100. math

    Gillen has 30 vehicles, some are bicylces and some are cars. These vehicles have a total of 88 wheels. How many bicycles would there be?

    asked on April 25, 2011


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