Popular questions and responses by jamie
  1. Math

    Orly uses 2 cups of raisins for every 8 cups of trail mix she makes how many cups of trail mix will she make if she uses 12 cups of raisins

    asked on November 6, 2017
  2. Math

    A semi circle sits on top of a rectangle to form the figure below find its area and perimeter use 3.4 for pie on the side 4 inches and on the bottom 6 inches what is the answer

    asked on November 6, 2017
  3. Spanish 1

    Which of the following geographical locations share borders with SPAIN? 1)Portugal, France, Atlantic Ocean 2)France, England, Pacific Ocean 3) Italy, France, Mediterranean Sea I think #1 Thank you

    asked on August 24, 2017
  4. Physics

    A rope is tied to a box and used to pull the box 1.7 m along a horizontal floor. The rope makes an angle of 30∘ with the horizontal and has a tension of 5 N. The opposing friction force between the box and the floor is 1 N. Part A How much work does

    asked on November 12, 2017
  5. Chemistry - Significant Figures

    Suppose it takes 35 min for 2.4 g of sugar to completely react with another reagent we added to the flask. What would the reaction rate be? Calculate to the correct number of significant figures.

    asked on May 18, 2017
  6. biology

    which of the following is not a part of the theory of evolution

    asked on May 13, 2014
  7. Mathematics

    When two balanced dice are rolled, 36 equally likely outcomes are possible as shown below. (1, 1) (1, 2) (1, 3) (1, 4) (1, 5) (1, 6) (2, 1) (2, 2) (2, 3) (2, 4) (2, 5) (2, 6) (3, 1) (3, 2) (3, 3) (3, 4) (3, 5) (3, 6) (4, 1) (4, 2) (4, 3) (4, 4) (4, 5) (4,

    asked on December 5, 2009
  8. Chemistry

    Calculate the empirical formula of Tylenol: C, 63.56%; H, 6.00%; N, 9.27%; O, 21.17%

    asked on March 26, 2016
  9. Math liberal Arts

    A bag contains 5 red marbles, 4 blue marbles, and 1 green marble. If a marble is selected at random, what is the probability that it is not blue?

    asked on November 19, 2014
  10. Physics - I just need help with c

    I just need some clarification on part (c). Here's the whole problem for context: A uniform solid cylinder of mass 10 kg can rotate about a frictionless axle through its center O, as shown in the cross-sectional view in the figure. A rope wrapped around

    asked on March 26, 2018
  11. science

    3. Hydrobromic acid dissolves solid iron according to the following reaction: Fe(s) + 2HBr(aq) ---> FeBr2(aq) + H2(g) What mass of HBr (in g) would you need to dissolve a 3.2 gram pure iron bar on a padlock? What mass of H2 would be produced by the

    asked on February 14, 2010
  12. AP Chemistry

    The reaction of 8 grams of fluorine with excess chlorine produced 6.4 grams of ClF3. What percent yield of ClF3 was obtained? Answer in units of %

    asked on September 19, 2017
  13. Algebra

    If the demand function for a commodity is given by the equation p2 + 16q = 1200 and the supply function is given by the equation 300 − p2 + 6q = 0, find the equilibrium quantity and equilibrium price.

    asked on November 11, 2015
  14. Math Probability

    You roll a number cube 20 times. It lands on 2 five times. What is the experimental probability of rolling a 2? 1}40% 2)10% 3)25% 4)17% I think #3 Thanks

    asked on May 12, 2017
  15. algebra

    A satellite dish has a parabolic cross section and is 6 ft deep. The focus is 4 ft from the vertex. Find the width of the satellite dish at the opening. Round your answer to the nearest foot. Thank you

    asked on May 1, 2013
  16. Chemistry

    How do I do this?? Calculate the pH at the equivalence point for the titration of 0.20 M aniline (C6H5NH2, Kb = 3.8 x 10-10) with 0.20 M HCl. [Hint: remember the dilution factor caused by addition of titrant to the aniline solution.]

    asked on October 15, 2009
  17. Geography

    The most accurate way to show Earth's continents and bodies of water is with a(an)? 1) Mercator projection 2) globe 3) Robinson projection 4) equal-area map I think #3

    asked on November 7, 2017
  18. Statistics

    A purchasing agent at the Kelly Bread Company wants to estimate the mean daily usage of rye flour. She takes a sample for 50 straight days and finds that the sample mean is 180 pounds with a sample standard deviation of 38.5 pounds. a) State the 90%

    asked on April 16, 2013
  19. physics

    explain briefly why a razor blade floats in water and when soap solution is carefully added to the water it sinks

    asked on April 17, 2020
  20. math

    A flagpole at right angle to the horizontal is located on a slope that makes an angle of 12∘ with the horizontal. The pole's shadow is 16 meters long and points directly down the slope. The angle of elevation from the tip of the shadow to the sun is

    asked on March 13, 2017
  21. Business Law

    Limited Liability Companies. John, Lesa, and Trevor form a limited liability company. John contributes 60% of the capital, and Lesa and Trevor each contribute 20%. Nothing is decided about how profits will be divided. John assumes that he will be entitled

    asked on April 12, 2010

    Which answer best describes why women were active in early reform movements? A. Many Americans believed women had higher morals than men. B. Many Americans believed women could better bring about change than men. C. Women in the 19th century had plenty of

    asked on March 29, 2016
  23. Math

    Q1. A population has a mean of µ = 80 with σ = 20. a. If a single score is randomly selected from this population, how much distance, on average, should you find between the score and the population mean? 20 because the standard deviation is 20 b. If a

    asked on May 27, 2014
  24. math

    A farm has cows and ducks. There are 78 feet and 27 hands. How many of each animal are there? How do you know?

    asked on August 21, 2011
  25. Chemistry 2 - Acids and Bases

    Hydrazine (NH2NH2) is a weak base that ionizes in water as follows. NH2NH2(aq) + H2O(l) HNH2NH2^+(aq) + OH^−(aq) Calculate the concentration of OH^− ions in a 0.20 M solution of hydrazine, given that the base-dissociation constant (Kb) for hydrazine is

    asked on February 28, 2018
  26. Math Probability

    A number cube is rolled 450 times. The number 3 comes up 67 times. What is the theoretical and experimental probability of rolling a 3 ? I think the answer is 2/9 but not sure of the process. Can someone explain to me. Sorry to be so much trouble. Thanks

    asked on May 19, 2017
  27. math

    -10=xy+z for x solve for x

    asked on August 26, 2018
  28. CAL

    Consider the function y = 3x^5 – 25x^3 + 60x + 1 Use the first or second derivative test to test the critical points. How many relative maxima did you find? I got this as the derivative; 15 (4-5 x^2+x^4) And I got 4 relative maxima.

    asked on January 9, 2015
  29. Chemistry

    How would you write these chemical reactions?Can someone do one or two reactions for each problem, so I could get an idea of to them? ..I'm nit sure how most of the oeoducts wouls turn out..especially if it is a precipitate. 5. When Mn^2+ ions are

    asked on May 10, 2014
  30. Algebra

    The backyard of a house is in the shape of a triangle. The longest side is 4 ft shorter than twice the shortest side. The third side is 4 ft less than the longest side. If the perimeter of the yard is 162 ft, what are the lengths of the sides?

    asked on February 9, 2012
  31. accounting

    Timberly Construction negotiates a lump-sum purchase of several assets from a company that is going out of business. The purchase is completed on January 1, 2013, at a total cash price of $820,000 for a building, land, land improvements, and four vehicles.

    asked on August 8, 2014
  32. Heat Capacity

    When a 3.25 g sample of solid sodium hydroxide was dissolved in a calorimeter in 100 g of water, the temperature rose from 23.9 C to 32.0 C. Calculate delta H (in kJ/mol) of for the solution process: NaOH (s) -> Na+(aq) + OH-(aq) Use a calorimeter heat

    asked on December 18, 2012
  33. statistics

    In a time-use study, 20 randomly selected managers were found to spend a mean of 2.40 hours each day on paperwork. The standard deviation of the the 20 scores is 1.30. Also, the sample data appear to have a bell-shaped distribution. Construct the 95%

    asked on July 30, 2012
  34. Chemistry

    The rate constant for the decomposition of acetaldehyde, CH3CHO, to methane, CH4, and carbon monoxide, CO, in the gas phase is 1.59 ✕ 10−2 L/mol/s at 711 K and 3.63 L/mol/s at 855 K. Determine the activation energy (in kJ/mol) for this decomposition.

    asked on September 10, 2017
  35. Science

    Which of these is an example of a biomass fuel? 1) oil 2) natural gas 3) wood 4) coal I think #3

    asked on April 18, 2017
  36. Math

    A magician showed a magic trick where he picked one card from a standard deck. Determine what the probability is that the card will be a red color queen card ?

    asked on February 16, 2017
  37. physics Work unit

    1. A football player pushes a tackle dummy forwards at a constant 0.85m/s for 11m using 7150J of energy. The tackling dummy mass is 120kg. a) find force the player exerts? b) what is the frictional force the dummy exerts? c) what work is done by the

    asked on February 1, 2014
  38. Statistics

    A statistics professor plans her classes so carefully that the lengths of her class are uniformly distributed between 46.0 and 56.0 minutes. Find the probablity that given class period runs less than 51.75 minutes

    asked on November 27, 2013
  39. math

    How would you condense a logarithm expression into a single quantity if the logs have different bases?

    asked on November 20, 2012
  40. Chemistry

    One of the substances that give wet goats and dirty gym socks their characteristic odors is hexanoic acid, CH3CH2CH2CH2CH2CO2H, which is a monoprotic weak acid. (a) Write the formula for the conjugate base of this acid.

    asked on June 9, 2012
  41. Accounting

    Prepare a schedule that lists the components of and calculates the personal and dependent exemption amount (based on current year exemption and dependency amount) that would be included on the Brock's individual tax return based on the following

    asked on October 16, 2011
  42. grammar

    A mixture of jazz and classical idioms, the music of Gershwin was more innovative than most of his contemporaries. Can somebody tell me what's wrong with this sentence and why? I don't understand. :(

    asked on September 18, 2011
  43. Science

    Which of the following sets of terms could be used in a description of the peripheral nervous system? 1)motor neurons 2)brain and spinal cord 3)motor neurons 4)sensory neurons and spinal cord I think #1. Can you check? Thanks.

    asked on December 6, 2017
  44. Physics

    A tennis player hits a 58.0 g tennis ball so that it goes straight up and reaches a maximum height of 7.02 m . Part A How much work does gravity do on the ball on the way up? Part B How much work does gravity do on the ball on the way down?

    asked on November 12, 2017
  45. Science

    2. Which of the following describes a relationship between science and society? A: Scientific discoveries can impact human life; therefore, society must remain scientifically literate. B: Scientific discoveries rarely impact human life; therefore, it is

    asked on August 30, 2017
  46. math

    Which of the following could be represented by -8? 1) a drop of 8 meters 2) 8 T-shirts 3) sea level in 8 places of the world 4) 8 degrees C above 0 I think #1 Thanks

    asked on April 4, 2017
  47. math

    callum wins £300 in a raffle. he gives 5% to charity. he saves 2/5 of the £300.he uses the rest of the money to buy clothes. work out how much of the money callum uses to buy clothes./ I tried this question before in a test we got given the test back and

    asked on March 9, 2017
  48. Math

    The figure at right shows a long rectangular strip of paper, one corner of which has been folded over to meet the opposite edge, thereby creating a 30-degree angle. Given that the width of the strip is 12 inches, find the length of the crease.

    asked on February 19, 2017
  49. Vectors Math

    I was given this info r=1.5 m d=3 m F= 50 N angle= 110 degrees 1. What torque is APPLIED ? T=Fsin T= (1.5)(50)sin(110) T=70 N m 2. At what angle would enough force be applied to achieve maximum toque? T=Fsin T= (1.5)(50)sin(10) T=13.0 N m 3. If someone

    asked on February 28, 2015
  50. math

    2) In a certain instant lottery game, the chances of a win stated as "3 in 23". Express the indicated degree of likelihood as a probability value between 0 and 1 3) A certain company reduced its management staff from 20 managers to 16. The company claimed

    asked on March 15, 2012
  51. hardware components

    which type of software coordinates the hardware and software of a computer to work efficiently and productively

    asked on February 11, 2019
  52. Math

    The equation above shows how temperature F , measured in degrees Fahrenheit, relates to a temperature C , measured in degrees Celsius. Based on the equation, which of the following must be true? A temperature increase of 1 degree Fahrenheit is equivalent

    asked on March 8, 2018
  53. Math Probability

    The probability of having a winning raffle ticket is 20%. If you bought 50 tickets, how many wining tickets should you expect to have? 1)3 tickets 2)8 tickets 3)10 tickets I think #3 Thanks

    asked on May 17, 2017
  54. Health

    Which statement is true about stage 3 of alcoholism? 1)malnutrition and liver and brain damage often occur 2)Teenagers go through this stage very slowly 3)The drinker becomes totally dependent on the drug 4)The drinker begins trying to escape the everyday

    asked on May 5, 2017
  55. probability statistics

    how many bridge hands are possible containing 4 spaders, 6 diamonds , 1 club and 2 heart?

    asked on August 13, 2016
  56. Algebra

    For the period 1995-2002, the total personal expenditures (in billions of dollars) in the United States for food, f(x), and for housing, h(x), can be described by the equations shown below, where x is the number of years past 1995. f(x) = 40.74x + 742.65

    asked on September 22, 2015

    Evaluate the expression. Determine the number of combinations of 7 things taken 4 at a time. & Mark can remember only the first 4 digits of his friend's phone number. He also knows that the number has 7 digits and that the last digit is not a 0. If Mark

    asked on November 23, 2014
  58. Physics Work unit

    1. A football player pushes a tackle dummy forwards at a constant 0.85m/s for 11m using 7150J of energy. The tackling dummy mass is 120kg. a) find force the player exerts? b) what is the frictional force the dummy exerts? c) what work is done by the

    asked on February 1, 2014
  59. Math

    Suppose that ln2=r. Use properties of logarithms to write the logarithm in terms of r. ln32=__

    asked on November 7, 2012
  60. math

    The length of a rectangular area is 3 feet less than twice its width. The perimeter of the rectangle is 132 feet. Find the length and width of the rectangular area

    asked on October 3, 2012
  61. Physics

    Please help ! Finish the following statement: "The greater the number of lines on a diffraction grating of a given size," a)the greater b)smaller then a)the range of wavelengths that can be diffracted b)the distance between the bright fringes produced

    asked on January 6, 2010
  62. Physics- LOST!

    If the air temperature is the same as the temperature of your skin (about 30.0 C), your body cannot get rid of heat by transferring it to the air. In that case, it gets rid of the heat by evaporating water (sweat). During bicycling, a typical 70.0 kg

    asked on December 3, 2007
  63. science

    what is the difference between a theory and hypothesis? I got this off another site i hope it helps.. Scientific Laws, Hypotheses, and Theories Lay people often misinterpret the language used by scientists. And for that reason, they sometimes draw the

    asked on February 8, 2007
  64. Chemistry II

    What is [H3O+ ] (in M) in a solution of 0.078 M HBrO2 and 0.036 M NaBrO2? (Assume Kw = 1.01 ✕ 10^−14.) HBrO_2(aq) + H_2O(l) H_3O^+(aq) + BrO_2^−(aq); Ka = 3.7 ✕ 10−4

    asked on March 11, 2018
  65. Algebra

    The larger of two numbers is 11 more than twice the smaller number the sum of the numbers is 44 find each number

    asked on January 31, 2018
  66. Science

    A hormone is under negative feedback regulation. This hormone stimulates water retention by the body. Which of the following will happen if water levels in the body get too high? 1) hormone levels will increase 2) hormone levels will decrease 3) antibodies

    asked on December 7, 2017
  67. AP Chemistry

    In the reaction below, 17 g of H2S with excess O2 produced 10 g of sulfur. 2 H2S + O2 → 2 S + 2 H2O . What is the percent yield of sulfur? Answer in units of %.

    asked on September 19, 2017
  68. Chemistry - Kinetic Molecular Theory

    Question: What is the density (in g/L) of ethyne gas at 743 torr and 12.2°C? The unrounded molar mass of ethyne is 26.036 g/mol. I did some unit conversions, so 743 torr=0.97763 atm and 12.2°C=285.35°K I used the equation d=PMr/RT and I plugged in

    asked on July 2, 2017
  69. Math Probability

    You mix the letters M,A,T,H,E,M,A,T,I,C,A and L, thoroughly, Without looking , you draw one letter. Find the probability P(A). Write the probability as: A) fraction in simplest form B) a decimal C) a percent there are 3 letter A"s, so my answers are A)1/4

    asked on May 19, 2017
  70. math

    A coin is tossed and a number cube is rolled. What is P(heads, a number less than 5)? 1) 1/3 2) 5/12 3) 2/3 4) 5/6 I think #2...can you check?

    asked on May 17, 2017
  71. Biology

    What is the sample size in this experiment? How can you tell what the sample size is in this case? A team of researchers observed that the acorn density of the oak forests in New York fluctuates from year to year and that mice populations in the forest

    asked on August 30, 2016
  72. Biology

    The street lights in many cities contain bulbs with sodium vapor. When electrical energy is pass through the bulb, a brilliant yellow light is given off. What is happening to the sodium atoms to cause this? Explain. How would magnesium and chlorine

    asked on January 5, 2016
  73. Algebra

    Find the maximum revenue for the revenue function R(x) = 383x − 0.6x2.

    asked on November 11, 2015
  74. Physics

    A 96.3-kg baseball player slides into second base. The coefficient of kinetic friction between the player and the ground is μk = 0.619. (a) What is the magnitude of the frictional force? (b) If the player comes to rest after 1.00 s, what is his initial

    asked on August 15, 2015
  75. language arts

    1. in diary of anne frank, act 1, what causes the franks and the van daans to move into the rooms on the top floor of the ware house? A. Their own homes have been desroyed by bombs. ***** B. They are hiding from the Nazis, who have been persecuting Jews.

    asked on March 18, 2015
  76. Math

    you must cover the entire bathroom floor with tiles. each tile measures 1 ft. x 1 ft. You will need an extra 5% of tiles to account for waste. How many tiles will you need to purchase for the project? The floor measures 5ft. x 7ft.

    asked on January 16, 2015
  77. Design

    Which design style encourages a complete manipulation of floral materials into unnatural geometric shapes and colors? A. Abstract B. New convention C. Ikebana D. New wave im thinking B

    asked on January 16, 2013
  78. english

    1. What about Thoreau’s night in jail made him angry? (1 point) The fact that his stay in prison was too short to make a point. The interference with his protest. The uncomfortable accommodations. 2. Why do the playwrights refer to their protagonist as

    asked on November 7, 2012
  79. Math

    2. The length of time that it takes for a pendulum to make one complete swing depends on the length of the pendulum. The time in seconds, T, is related to the length in metres, L, through the equation T = 2π√(L/9.8) c. Graph this function for pendulums

    asked on May 28, 2012
  80. Chemistry - Equilibrium Constant

    Determine the value of the equilibrium constant (Kp) at 800. K and 1 atm pressure. SbCl3(g) + Cl2(g) -> SbCl5(g) Delta G(o)f (SbCl5) = -334.34 kJ/mol Delta G(o)f (SbCl3) = -301.25 kJ/mol Delta H(o)f (SbCl5) = -394.34 kJ/mol Delta H(o)f (SbCl3) = -313.80

    asked on April 26, 2012
  81. Math

    Explain It: Which is greater, the greatest whole number with 5 digits or the least whole number with 6 digits? (I know the answer is the 'least whole number with 6 digits', but how can I explain it. Thanks!

    asked on September 7, 2011
  82. Physics

    The average coefficient of volume expansion for carbon tetrachloride is 5.81 10-4 (°C)-1. If a 43.0 gal steel container is filled completely with carbon tetrachloride when the temperature is 10.0°C, how much will spill over when the temperature rises to

    asked on April 27, 2011
  83. pre-calculus

    What is the polar form of the equation 3x - 4y = 12? The answer is r = 12/ (3cosx - 4 sinx) (x = theta) I don't know how to get the answer though.

    asked on April 6, 2010
  84. Chemistry

    Two successive reactions, D-->E and E-->F, have yields of 48% and 73%, respectively, What is the overall percent yield for conversation of D to F?

    asked on September 27, 2009
  85. physics

    Consider that a coin is dropped into a wishing well. You want to determine the depth of the well from the time t between releasing the coin and hearing it hit the bottom. Suppose that t=2.059 s and assume the speed of sound in air is 330 m/s. What is the

    asked on December 11, 2008
  86. world history

    Use the excerpt below from the English Bill of Rights to answer the following question: "That the pretended power of suspending the laws or the execution of laws by regal authority without consent of Parliament is illegal; That the pretended power of

    asked on February 27, 2019
  87. Physics

    A ball in the shape of a uniform spherical shell (like a soccer ball; I = 2/3 mr2) of mass 1.5 kg and radius 15 cm rolls down a 35 degree incline that is 6.0 m high, measured vertically. The ball starts from rest, and there is enough friction on the

    asked on April 15, 2018
  88. Physical Science A

    What daughter product is produced when thallium–206, an isotope of thallium, undergoes beta minus (β–) decay?

    asked on December 4, 2017
  89. Math

    A recipe for 24 cookies calls for 6 tablespoons of sugar. If you make 36 cookies and use 10 tablespoons, will the cookies taste the same? Explain I know if 24 calls for 6 tablespoons and if the recipe is increased by 12cookies or 1/3, you will only need 9

    asked on November 30, 2017
  90. Health and PE

    Oxygen enters the blood in the ? 1)bronchi 2)pharynx 3)larynx 4)alveoli I think #4 Thanks !

    asked on November 16, 2017
  91. Science

    Which of the following represents a heterogeneous mixture? 1)saltwater 2)air 3)bleach and water 4)chicken noodle soup I think #3 Thank you.

    asked on September 25, 2017
  92. Chemistry

    At 500 K in the presence of a copper surface, ethanol decomposes according to the following equation. C2H5OH(g) CH3CHO(g) + H2(g) The pressure of C2H5OH was measured as a function of time and the following data were obtained. Time (s) PC2H5OH (torr) 0 250.

    asked on September 7, 2017
  93. Science

    One light bulb in a string of lights goes out. This causes all the other lights in the string to also go out. This is an example of a?? 1) resistor 2)parallel circuit 3)closed circuit 4)series circuit I think #4. Thanks in advance for your help.

    asked on May 1, 2017
  94. math

    Identify the dependent variable in the relationship. A person burns a total of "c" calories by walking "m" miles. 1)calories 2)miles 3)neither "c" calories or "m" miles 4) both "c" calories and "m" miles I THINK #2, not sure because we have not gone over

    asked on April 26, 2017
  95. English

    What is the prepositional phrase in the sentence? Put the lasagna in the oven tonight if you don't mind. 1) put the lasagna 2) in the over 3) the oven tonight 4) if you don't mind I think #1

    asked on April 21, 2017
  96. Math - Calculus

    Directions (or bearings) on Earth are measured in degrees, running from zero to 360 degrees, clockwise, starting with 0 degrees being due North. So due East for example, is 90 degrees, due South 180 degrees, and Northwest is 315 degrees. You are swinging a

    asked on February 21, 2017
  97. Math

    A square, where s is an odd integer, is divided into unit squares. All the unit squares along the edges and the 2 diagonals of a square are discarded. Find a fully simplified expression, in terms of s, for the number of unit squares remaining answer.

    asked on August 15, 2016
  98. physics

    A 5 kg block is being held against the wall. What is the minimum force needed to keep the block from moving if the force is applied at an angle that is 15 degrees above the horizontal. The coefficient of static friction between the wall and the block is

    asked on February 29, 2016
  99. Math

    Will a 2-quart pitcher hold an entire recipe citrus punch -recipe- 2cups orange juice 2cups grapefruit juice 1/4 cup of apricot neater 1/3cup of pineapple juice 4cups ginger ale is the whole recipe 8 2/14 cups?

    asked on September 22, 2015
  100. Physics

    Four tanks A, B, C, and D are filled with monatomic ideal gases. For each tank, the mass of an individual atom and the rms speed of the atoms are expressed in terms of m and vmax respectively (see the table). Suppose that m = 3.15 × 10-26 kg, and vrms =

    asked on September 1, 2015


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