# Anon

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?

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=

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.

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

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

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...

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.

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

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

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?

11. ## Chemistry

Determine the pH of a 0.10 M MgCl2 solution.

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

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:(

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

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.

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

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.

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.

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?

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?

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

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

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?

24. ## Math

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

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?

26. ## History

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

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?

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

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)

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.

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.

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?

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

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

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

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.

37. ## Chemistry

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

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

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

40. ## chemistry

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

41. ## Art

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

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

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.

44. ## P.E.

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

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

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

47. ## apchem

can someone explain the synthesis reaction from ethane to acetylene?

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.

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

50. ## Social Studies

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

51. ## History

which economic impact did the crusades have on medieval europe?

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.

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:

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

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

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

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.

58. ## Math

How do you divide 0.75 by 1.2?

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?

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";

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

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?

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

64. ## chemistry

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

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?

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

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

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

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

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

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

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

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?

75. ## math

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

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

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"

78. ## Math

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

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.

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?

81. ## Algebra

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

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?

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

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

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.

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

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

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

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

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

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

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

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

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

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 .

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

97. ## Chemistry

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

98. ## Math

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