Questions and responses by Anon, page 5
  1. Social Studies

    What is the main job of the U.S executive branch? A.) To enforce laws B.) To interpret laws C.) To repeal laws** D.) To make laws Can someone check this for me?

    asked on November 29, 2018
  2. Chemistry

    A possible set of quantum numbers for the last electron added to complete an atom of potassium in its ground state is a) n=4, l=0, ml=0, ms= -1/2 b) n=3, l=1, ml=0, ms= -1/2 c) n=4, l=1, ml=0, ms= +1/2 d) n=3, l=1, ml=1, ms= +1/2 e) n=4, l=2, ml=1, ms=

    asked on April 29, 2017
  3. Social Studies

    Wealth disparity in Brazil results mostly from? A)unequal land distribution.**** B)insufficient arable land. C)lack of oil and mineral resources. D)emphasis on cash crop exports.

    asked on January 21, 2017
  4. Chemistry

    Consider the following data. DeltaHf (Na2O (s))=-414kJ/mol Delta H sublimation(Na)=109 kJ/mol I.E. (Na)=495 kJ/mol Bond Energy (O2) = 495 kJ/mol E.A. (O) = -141 kJ/mol E.A. (O -) = 878 kJ/mol Use this information to calculate the lattice energy of Na2O

    asked on December 6, 2014
  5. Physics

    A person pushes a 16.0-kg shopping cart at a constant velocity for a distance of 18.0 m. She pushes in a direction 20.0° below the horizontal. A 40.0-N frictional force opposes the motion of the cart. (a) What is the magnitude of the force that the

    asked on October 3, 2014
  6. math

    Sketch one example of each of the following functions of the form y=ax^2+bx+c and y=k(x-b)^2+c, where a,b,c and k are constants. Evaluate the differences between the two formats. I'm not sure...

    asked on June 25, 2019
  7. algebra

    complete the table to answer 1-4. i don't put a table here because i can't and it's time consuming, so i made up word problems for the table. 1. for the abc company, you own 5 shares and lost $2 on monday, gained $5 on tuesday, and lost $1 on wednesday.

    asked on August 30, 2015
  8. Writing Skills

    1) Frequently their renovation need to be completely redone. 1 need 2 needed 3 were needing 4 will have been needing 5 needs 2)If we were teenagers at the time these licenses signified our passage to adulthood. 1 time these licenses 2 time, these licenses

    asked on December 4, 2013
  9. Physical science CHECK my answers

    1. What is the smallest part of all matter called? (1 point) * a. Element b. Atom*** c. Molecule d. Compound 2. Which of the subatomic particles is negative? (1 point) a. Nucleus b. Neutron c. Proton d. Electron***** 3. Who provided the first evidence that

    asked on May 26, 2017
  10. Function

    Fahrenheit and Celsius are two measures of temperature. The temperature in degrees Celsius is equal to five ninths of 32 less than the temperature in degrees Fahrenheit. What is a function rule that represents this situation?

    asked on May 6, 2013
  11. Chemistry

    Determine the pH of a 0.10 M MgCl2 solution.

    asked on October 16, 2011
  12. Physics

    Which of the following is true about electric field lines? A) They point tangentially around a circle centered on a charge. B) They point away from positive charges and towards negative charges. C) They point away from negative charges and towards positive

    asked on January 18, 2018
  13. Science

    Certain seismic waves travel as.. A) electromagnetic and transverse waves. B) visible light and longitudinal waves. C) longitudinal and transverse waves. D) compression and visible light waves. I have no idea I never learned this:(

    asked on January 14, 2016
  14. History

    Compare the results of the French and Indian War among the groups involved. Which groups suffered similar consequences? American colonists and the Iroquois bore the effects of a massive war debt. The Spanish and Native American tribes both lost rights to

    asked on October 21, 2015

    Summarize two observations that are contrary to the predictions based on Newton’s laws but that confirm Einstein’s explanation of gravity. Indicate how the predictions based on Newton’s theory differ from Einstein’s.

    asked on January 15, 2014
  16. Physics

    A car with its brakes locked will remain stationary on an inclined plane of dry concrete when the plane is at an angle of less than 45 degrees with the horizontal. What is the coefficients of static friction of rubber tires on dry concrete

    asked on October 23, 2012
  17. College Physics

    Dry Ice. At standard atmospheric pressure, the solid form of carbon dioxide called “dry ice” undergoes a phase change not to a liquid but straight to a gas. This process is called sublimation, and like other phase transitions heat energy is required.

    asked on November 30, 2011
  18. Math

    Use Stokes' Theorem to evaluate S curl F · dS. F(x, y, z) = x2z2i + y2z2j + xyzk, S is the part of the paraboloid z = x2 + y2 that lies inside the cylinder x2 + y2 = 25, oriented upward.

    asked on November 22, 2016
  19. Math

    (a) To buy a Treasury bill (T-bill) that matures to $10,000 in 12 months, you must pay $9700. What rate does this earn? (b) If the bank charges a fee of $20 to buy a T-bill, what is the actual interest rate you earn?

    asked on August 5, 2016
  20. Algebra

    A person has 29 1/2 yards of material available to make doll outfits. Each outfit requires 3/4 yard of material. a: How many outfits can be made? b: How much material will be left over?

    asked on October 11, 2014
  21. Chemistry

    you have 20% sucrose solution. you need to mke 100ml of 15% sucrose solution. which is the correct dilution? A. 85ml of 20% sucrose and 15ml of h2o B. 25ml of 20% sucrose and 75ml of h2o C. 75ml of 20% sucrose and 25ml of h2o D. 15ml of 20% sucrose and

    asked on February 25, 2013
  22. Physical Science

    The soup in a bowl is too hot to eat. Although there are no ice cubes in the freezer, there are several stainless steel spoons that have been stored in the freezer for several hours. By placing the cold spoons in the hot soup, the soup's temperature is

    asked on April 28, 2011
  23. Math

    For a certain function, f'(x)=3+x. For what value of x does the function have a stationary point? What type of stationary point is it? I've found x to be -3, but how do I determine the type of stationary point?

    asked on July 5, 2019
  24. Math

    State the domain for which the inverse function is decreasing. Don't really understand this question...

    asked on June 30, 2019
  25. Math

    Does the position of the parabola change when the constant 'k' is changed in the function -- y=kx^2 Position remains the same, right?

    asked on June 25, 2019
  26. History

    How has the development of the internet stimulated the world in regards to communication, growth, globalization, and economics?

    asked on May 29, 2019
  27. Function

    Write a function rule for the area of a parallelogram whose base is 4 inches more than its height. What is the area of the parallelogram when its height is 8 inches?

    asked on May 6, 2013
  28. physics

    In a water pistol, a piston drives water through a larger tube of radius 1.00 cm into a smaller tube of radius 1.00 mm. (a) If the pistol is fired horizontally at a height of 1.5m, use ballistics (2-D projectile motion) to determine the time it takes water

    asked on February 4, 2013
  29. Chemistry

    What is the minimum amount of 6.0 M H2SO4 necessary to produce 19.0 g of H2(g) according to the reaction? 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g)

    asked on May 8, 2019
  30. Calculus

    Use Stokes' Theorem to evaluate C F · dr where C is oriented counterclockwise as viewed from above. F(x, y, z) = yzi + 9xzj + exyk, C is the circle x2 + y2 = 1, z = 3.

    asked on November 23, 2016
  31. math

    Weights of women are normally distributed with mean 143 pounds and standard deviation 29 pounds. If 36 women are randomly selected, what is the probability that their mean weight is between 120 and 160 pounds? Round your answer to two decimal places.

    asked on March 31, 2016
  32. Math

    I need help. I have a math problem that says "Divide 0.75 by 1.2.", do I put the 1.2 on the outside and the 0.75 on the inside or is it the other way around?

    asked on August 21, 2019
  33. Circuits, Kirchoff

    Can someone help me to answer the following? (b) The circuit shown in Figure 1 can be used to measure the resistance of a platinum resistance thermometer (PRT). AB is a uniform resistance wire of length 1.0 m and C is a sliding contact on this wire. A

    asked on January 6, 2018
  34. calculus

    A person is jumping straight up and down on a trampoline. The height of the center of mass of the person is measured every tenth of a second. It takes just over one second to complete one full bounce. (A video of this situation is displayed above.) t

    asked on September 7, 2017
  35. Health pe

    The peripheral nervous system (select all that apply) . Is made up of the brain and spinal cord. . Links the body to the brain and spinal cord *** .is made up of sensory and motor neurons **** . Is responsible for thought and reason

    asked on May 1, 2017
  36. math

    Thirteen bowlers were asked what their score was on their last game. The scores are shown below. 190, 150, 154, 194, 182, 190, 170, 151, 190, 170, 178, 161, 180 Find the range of the bowlers’ scores.

    asked on February 27, 2016
  37. Chemistry

    calculate the energy in joules lost when 70.0 grams of water cools from 86.4 celsius to 7.1 celsius

    asked on February 26, 2013
  38. Physics

    A bungee jumper of mass 60 kg jumps from a bridge tied to an elastic rope which becomes taut after he falls 10 m. Consider the jumper when he has fallen another 10 m and is travelling at 15 m/s. Work out how much energy is stored in the rope. Take g=10

    asked on December 17, 2010
  39. english

    A question that is asked based on the information in Teach Every Child About Food is “Why do we need to teach our children about food?” How does Jamie Oliver effectively answer this question using persuasion? Teach Every Child About Food a. by stating

    asked on October 2, 2019
  40. chemistry

    44.01g o CO2 gas at 25 deg. celcius and 100kPa = 1.00 mol = how many litres?

    asked on June 5, 2019
  41. Art

    All of the following are true of Meta Warrick Fuller's "Talking Skull" EXCEPT

    asked on September 4, 2017
  42. physics

    Read the scenario. A car increases its position at a constant velocity for 5 s. Then, it stops for 5 s. Which option provides a true statement about a distance-time graph created to represent this motion? The slope of the graph would be negative and

    asked on September 14, 2019
  43. Algebra 1

    List all of the subsets of the following set: {-2, 2} A.) {2};{-2};{-2,2} B.) {};{-2};{2};{-2,2};{2,-2} C.) {};{-2};{2};{-2,2} D.) {};{2};{-2};{2,2};{-2,-2} I think it's B, but I'm not 100% on that. This topic of sets is really confusing for me.

    asked on October 25, 2015
  44. P.E.

    About 80% of infections disease is spread by hand contact. True* False

    asked on March 5, 2015
  45. reading

    How is grandmother's dream different from reality? >Last night I dreamed of an old lover I had not seen him in forty years. When I awoke, I saw him on the street. His hair was white, his back was stooped. How could I say hello? He would have puzzled all

    asked on October 8, 2013
  46. physics

    A 1,660 kg car is parked on a hill with a slope of 8.0°. Its brakes and transmission are locked in position to keep the car from rolling. The coefficient of static friction of the rubber tires on the asphalt road is 0.14. What is the force of static

    asked on November 6, 2012
  47. apchem

    can someone explain the synthesis reaction from ethane to acetylene?

    asked on May 22, 2011
  48. Math

    There are 4 black marbles and 5 red marbles in a bag. If you reach in and randomly select 2 marbles, what is the probability that both are red? Explain your reasoning.

    asked on December 3, 2010
  49. world history

    What was the outcome of the 1914 Battle of Tannenberg on the eastern front? A. The battle resulted in a stalemate as both Russian and German armies suffered heavy losses. B. Russia was decisively victorious, capturing more than 50,000 German troops and

    asked on August 12, 2019
  50. Social Studies

    What did the expression “Square Deal” refer to as used by Theodore Roosevelt in regard to the federal government?

    asked on December 7, 2018
  51. History

    which economic impact did the crusades have on medieval europe?

    asked on November 14, 2017
  52. Chemistry

    H3BO3 -> H+ + H2BO3- Why doesn't H3BO3 break down to something with H3O+ because it is a weak acid? I know many weak acids break down to something with H3O+ like HCN, C6H5COOH, HNO2, and HF.

    asked on March 12, 2013
  53. Bose gases, quantum physics.

    A hypothetical gas consists of four indistinguishable particles. Each particle may sit in one of five allowed quantum states, with energies ε,3ε,5ε,7ε and 9ε. Assume that the total energy of the gas is fixed at 16ε. (a) If the particles are bosons:

    asked on May 4, 2018
  54. Biology

    Mrs. Eryth is carrier of the sex-linked hemophilia allele, and Mr. Eryth is normal (as far as blood chemistry goes). A. Draw a Punnet square that shows the theoretical genotypes and phenotypes among their children. B. They actually have 4 male and 4 female

    asked on April 24, 2017
  55. Physics

    A place kicker must kick a football from a point 31.2 m from a goal. As a result of the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked the ball leaves the ground with a speed of 21.3 m/s at an angle of 53° to the horizontal. By

    asked on October 26, 2015
  56. Math

    3. A rectangular prism has a width of 92 ft and a volume of 240 ft3. Find the volume of a similar prism with a width of 23 ft. Round to the nearest tenth, if necessary. (1 point) 3.8 ft3 60 ft3 15 ft3 10.4 ft3 Please help me work this out! I'm not sure how

    asked on March 27, 2015
  57. Spanish

    Choose the sentence which correctly says "He doesn't like to eat." A. Gusta no comer. B. El no gusta comer. C. Comer no gusta. D. No le gusta comer.

    asked on March 18, 2011
  58. Math

    How do you divide 0.75 by 1.2?

    asked on August 21, 2019
  59. Math

    Is y=(x+1)(x-3) an odd, even, or neither function? f(x)=(x+1)(x-3) = x^2-2x-3 substitute in f(-x) f(-x)=(-x)^2-2(-x)-3 = x^2+2x-3 Therefore it is neither function?

    asked on June 26, 2019
  60. Computer Science

    #include using namespace std; int main() { int GPUspeed = 0, CPUspeed = 0, cores = 0, resolutionChoice = 0; float mutliplier = 0.0, performanceSCore = 0.0; string graphicsQuality = "", headerText = "Computer Hardware Graphics Quality Recommendation Tool";

    asked on April 1, 2019
  61. science

    which of the following statements describes areas of research for uses of bacteria in biotechnology? bacteria are being studied in order to determine a way to eliminate all bacteria. bacteria are being studied in order to find ways to increase antibiotic

    asked on March 5, 2019
  62. Physics

    A person exerts a force of 28 N on the end of a door 84 cm wide. What is the magnitude of the torque if the force is exerted a. perpendicular to the door? b. at a 45 degree angle to the face of the door? c. parallel to the door?

    asked on December 10, 2017
  63. Simple harmonic motion

    The midpoint of a guitar string executes simple harmonic motion with motion following the form x(t) = A sin(ωt + φ). Amplitude (A)=1.60mm, Angular Velocity (w)=2760 and phase constant (o) = pi/2. How do I find the initial displacement, velocity and

    asked on October 28, 2017
  64. chemistry

    Calculate the standard enthalpy change for the following reaction at 25 °C. H2O+C(graphite)(s) --> H2(g) +CO(g)

    asked on October 28, 2016
  65. Calculus

    A tank in the shape of a right circular cylinder is filled with water (62.5 lb/ft3). It has a height of 8 ft and a diameter of 10 ft. How much work is required to pump all the water to a spout that is 3 ft above the top of the tank?

    asked on July 18, 2016
  66. language art

    Think about the work you completed in your reading character role. Determine the ideas that would be most worthy to share in a literary discussion about Johnny Tremain. Provide an explanation for your choices. How did the role you selected and the work you

    asked on January 14, 2015
  67. Physics

    A 85-kg snow skier is being pulled up a 17 ° slope by a steel (Young's modulus 2.0 x 1011 N/m2) cable. The cable has a cross-section area of 7.4 x 10-5 m2. The cable applies a force to the skier, and, in doing so, the cable stretches by 2.6 x 10-4 m. A

    asked on March 27, 2013
  68. English-Grammar

    Decide if the underlined (in parentheses) pronoun in the sentences below is used as a subject, a predicate nominative, or an appositive. Both Ben and (he) will graduate at the same time. (my answer)subject predicate nominative appositive The driver of that

    asked on February 5, 2013
  69. Chemistry

    Concentration 15.8 mg/L Final Volume 100.0 mL What is the concentration of phosphate in the original lake water sample if the unknown lake water sample in the option has been diluted by taking 25.0 mL of lake water and diluting it to the indicated final

    asked on December 6, 2012
  70. Physics

    The leg and cast in Figure P4.18 weigh 290 N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w2 weighs 125 N. Determine the weight w1 and the angle α needed in order that there be no force exerted on the hip

    asked on September 16, 2012
  71. math

    determine the linear velocity of a point rotating at 15 revolutions per minute at a distance of 3.04 meters from the center of a rotating object

    asked on February 19, 2012
  72. physics

    The racing car has a mass of 1250kg. When the brake pedal is pushed down a constant braking force of 10,000 N is exerted on the car. Calculate the acceleration of the car. If you could also tell me how you came to the answer, it would help me in the

    asked on February 16, 2012
  73. chemistry- stoichiometry problems

    C2H4+3 O2->2 co2+2 H2O If you start wit 45 grams of C2H4 how many grams of carbon dioxide will be produced?

    asked on April 22, 2009
  74. Physical science

    If your mass is 84 kg , find your acceleration.

    asked on September 1, 2019
  75. math

    Prove that y=x^3 is monotonic increasing for all x /= 0.

    asked on July 4, 2019
  76. History

    Question; How has the development of the internet stimulated the world in regards to communication, growth, globalization, and economics? My answer; (My opinion?); The internet has improved communication across the globe, we now can talk to people that are

    asked on May 29, 2019
  77. math

    Find the stationary point on the curve y=x^2-1 and show that it is a minimum point by checking the derivative on both sides of it. I've found that its stationary point is (0, -1), just don't understand what "check the derivatives of both sides of it"

    asked on July 4, 2019
  78. Math

    x/x-2 + x-1/x+1 =-1 How do I solve this?

    asked on May 30, 2019
  79. Language Arts

    5. Which sentence contains a predicate noun? A. The walk through the tunnel was eerie* B. I bought Mom a cookbook for her birthday C. My dog is the master of the household D. The ground is very uneven 6. Which sentence contains a predicate adjective? A.

    asked on January 28, 2019
  80. Algebra/Math

    Can you show work por favor? :) A metalworker has a metal alloy that is 20% copper and another alloy that is 60% copper. How many kilograms of each alloy should be combined to create 80 kg of a 53% copper alloy?

    asked on February 27, 2013
  81. Algebra

    Given that S=7a+b+7c and also S=6a+8b+6c, where 51

    asked on November 14, 2018
  82. Chemistry

    The enthalpy of combustion of benzoic acid (C6H5CO2H) is –3228 kJ/mol. The burning of 1.698 g of benzoic acid in a calorimeter causes the temperature to increase by 2.865 ºC. What is the heat capacity (in kJ/ºC) of the calorimeter?

    asked on March 25, 2017
  83. please help! algebra

    find the next two numbers in the pattern: -12, 60, -300, 1500

    asked on November 5, 2014
  84. chem

    the total pressure of n2o4 and no2 IS 1.38 atm. if kp is 6.75(25 C) calculate partial pressure of NO2 in the mixture. 2NO2 n2o4

    asked on November 28, 2010
  85. english

    The video presentation Teach Every Child About Food engages the audience differently than the article “Balancing Calories to Manage Weight” by using _[blank]_ to convey information. Which option best completes the sentence? a. on-stage interviews b.

    asked on October 3, 2019
  86. Math-Algebra II to be exact

    Come up with a new linear function that has a slope that falls in the range −1< m

    asked on March 30, 2018
  87. Physics, emf, magnetic flux

    A circular loop of wire with radius 0.100 m and resistance R = 5.00 Ω. The loop is placed in a magnetic field of strength B = 0.125 T, which can be rotated. The angle of the magnetic field with respect to the normal of the loop is θ(t), where t denotes

    asked on January 24, 2018
  88. Chemistry

    Selenium from 0.108 g of Brazil nuts was converted into a fluorescent product, which was extracted into 10.0 mL of cyclohexane. Then 2.00 mL of the cyclohexane solution were placed in a cuvet for fluorescence measurements. A.) Standard additions of

    asked on December 12, 2011
  89. Algebra

    Are my answers correct? 8. The first, second, and the nth terms of an arithmetic sequence are 2, 6, and 58 respectively, i. Find the value of n n = 15 ii. For that value of n, find the exact value of the sum of n terms. S_15 = 450

    asked on March 12, 2019
  90. Algebra

    2: Y^5 x y^14= A: 2y^19 B: y^60 C: y^19 D: 2y^60 3: w^12 ÷ w^18 A: w^30 B: w^-30 C: w^6 D: w^-6 4: Using the numbers 3, 2, and 4, which of these problems would have a solution of 4? A: 4 x 2^3 ÷ 2^3 B: 2 x 2^3 ÷ 2^4 C: 3 x 2^3 ÷ 2^4 D: 3 x 2^4 ÷ 2^4

    asked on November 14, 2018
  91. Physics

    A crate of mass 100kg is at rest on a horizontal floor. The coefficient of static friction between the crate and the floor is 0.4, and the coefficient of kinetic friction is 0.3. A horizontal force, F, or magnitude 350N is applied to the crate. Which of

    asked on October 14, 2016
  92. Science

    I have 8 questions and 1 question in the end that I don't need help with. Identify possible variables in the following situations. What variables can affect the sprouting of a bean seed? I think (I didn't answer yet so I'll just go with what I think oh and

    asked on August 20, 2015
  93. Math

    Susan wants to use blue, yellow, green, and pink paint to decorate her house. She needs 3 times as much blue paint as yellow paint and 1/2 as much yellow paint as green paint. She needs 3 1/4 gallons of pink paint, which is 3/4 of a gallon more than the

    asked on August 19, 2015
  94. chem

    . Antimony pentachloride decomposes according to the following equation. SbCl5 (g) → SbCl3 (g) + Cl2 (g) Suppose that 10.0 g of antimony pentachloride is placed in a 5.00 L container and allowed to establish equilibrium. Calculate the concentration of

    asked on March 20, 2015
  95. math- calculus

    You will often see proj (Vector a onto Vector b) written as projb⃗ a⃗ .Show that projb⃗ a⃗ =(a⃗ ⋅b⃗/ b⃗ ⋅b⃗ )*b⃗ .

    asked on February 26, 2014
  96. Earth Science

    I need help, please! Only two questions, I don't know the first one. 1. Suppose that a report shows that, for a given year, the levelized cost of energy (LCOE) of new construction projects is expected to be $0.0545 per kWh for solar energy and $0.0995 per

    asked on November 9, 2019
  97. Chemistry

    100g of sulfuric acid is added to 100g of zinc. Find the mass of the ionic substance formed.

    asked on May 26, 2019
  98. Math

    Find the volume of the rectangular prism A) 23in B) 297in C)318in D) 159in

    asked on March 17, 2019
  99. Torque, Physics

    A ladder of length 2L and mass M is positioned on level ground leaning against a wall such that the angle between the ladder and the horizontal is α. The coefficient of static friction between the ladder and the wall and between the ladder and the ground

    asked on December 5, 2017
  100. Chemistry

    At 25 °C only 0.0610 mol of the generic salt AB2 is soluble in 1.00 L of water. What is the Ksp of the salt at 25 °C? AB2(s) A^2+(aq)+2B^-(aq) Is the answer ksp=9.08*10^-4?

    asked on March 17, 2013


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