# Keith

Popular questions and responses by Keith
1. ## Microeconomics

Answer the following questions based on the graph that represents J.R.'s demand for ribs per week of ribs at Judy's rib shack. a. At the equilibrium price, how many ribs would J.R. be willing to purchase? b. How much is J.R. willing to pay for 20 ribs? c.

2. ## Mathematics

If a person is 6 feet tall and cast a shadow of 9 feet long how tall would a person that cast a 6 feet long shadow

3. ## English

CHECK MY ANSWERS, I NEED to 100% 1. Choose the word that best defines the italicized word. The rescue workers discovered the dog (cowering) in the closet. A - barking B - cringing (my answer) C - dying D - sleeping 2. Read these lines from Robert Burn’s

4. ## KIPP Believe

The student-to-faculty ratio at a small college is 17:3. The total of students and faculty is 740. How many faculty members are there at the college? How many student?

5. ## Chemistry II

Liquid sodium can be used as a heat transfer fluid. It's vapor pressure is 40.0 torr @ 633 degrees C and 400.0 torr @ 823 degreees C. Calculate it's heat vaporization.

6. ## Math Help

In a certain state, each automobile license plate number consists of two letters followed by a four-digit number. To avoid confusion between "O" and zero and between "I" and one, the letters "O" and "I" are not used. How many distinct license plates can be

7. ## Chemistry

The complex ions of Zn2+ are colorless. Why? Keith, Natali, Cindy, Joel, or whoever, Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. If there's not a

8. ## Algebra

Find the missing term of the arithmetic sequence 24, __, 36, ... A. 34 B. 30 C. 42 D. 20

9. ## Math

A car dealership employs 12 salesman and 28 mechanics. What is the ratio of salesman to mechanics?

10. ## math

Aislyn decides to research attendance at sporting events for her project. She finds data on average attendance per game at San Diego Chargers (CA) football games and at Dallas Cowboy (TX) football games. The table shows the average attendance for each team

11. ## Chemistry

Gasohol contains ethanol (C2H4OH)(l), which when burned reacts with oxygen to produce CO2(g) and H2O(g). How much heat is released when 12.5g of ethanol burns? C2H5OH(l) + 3 O2(g) --> 2 CO2(g) + 3H2O(l) Delta H = -1368kJ

12. ## english

17. In Shirley Jackson’s “The Lottery,” how does the author use Tessie’s late arrival to help create suspense? (1 point) A The reader does not know what event Tessie has arrived late for. B The reader knows that the townspeople are aware of

13. ## College Algebra

If a person is 66 inches tall is standing 15 feet away from a streetlight. If the person casts a shadow 84 inches long, how tall is the streetlight?

14. ## Trigonometry

rectangular form to polar form xy=12 rsinÆŸ rcosÆŸ=12 would the answer be: r^2=12/cosÆŸ sinÆŸ please show steps, Thanks

15. ## Titration/Acid-base chem

a .4000 M solution of nitric acid is used to titrate 50.00 mL of .237 M barium hydroxide (Assume that volumes are additive). a) Write a balanced net ionic equation for the reaction that takes place during titration. b) what are the species present at the

16. ## algebra

a – 6 = 2b a + b = 15

17. ## Chemistry

what do limiting reagents have to do with... 5F2(g) + 2NH3(g) ==> N2F4(g) + 6HF(g) a)If you have 66.6 g NH3, how many grams of F2 are required for complete reaction? b)How many grams of NH3 are required to produce 4.65g HF? c)How many grams of N2F4 can be

18. ## Chemistry

The reaction of flourine with ammonia produces dinitrogen tetrafluoride and hydrogen fluoride. 5F2(g) + 2NH3(g) ==> N2F4(g) + 6HF(g) a)If you have 66.6 g NH3, how many grams of F2 are required for complete reaction? b)How many grams of NH3 are required to

19. ## Chemistry

The equation below shows the incomplete combustion of ethene. C2H4(g) + 2O2(g) ==> 2CO(g) + 2H2O(g) If 2.70 mol C2H4 is reacted with 6.30 mol O2, a) identify the limiting reagent. b) calculate the moles of water produced. Show all steps.

20. ## psychology

what are the myths surrounding hunger and satiety?

21. ## trig

How do you find all the solutions of the equation in the interval [0,2π)? 3tan^3x=tanx

22. ## Basic Statistics

The Suva Energy Information Administration reported that 51.7% of homes in Sunnyville were heated by natural gas. A random sample of 200 homes found that 115 were heated by natural gas. Does the evidence supports the claim, or has the percentage changed?

23. ## trig

If S is an element of [ 3pi/2 , 2pi ] what quadrant does the terminating side lie in and evaluate for sine theta

24. ## pre calc

solve following using "elimination method" 3x^2 + 4y = 17 2x^2 + 5y = 12

25. ## Chemistry

What is the percent yield if 4.65g of copper is produced when 1.87g of aluminum reacts with an excess of copper(II) sulfate? 2Al(s)+3CuSO4(aq)==>Al2(SO4)3(aq)+3Cu(s)

PLEASE HELP. I am stuck on this question. Which of the following is not one of the outside forces impacting an agency head? A. Legislators B. The courts C. Demands of unionized workers in the agency D. Special Interest groups

Why are mandates such a cause of friction in intergovernmental relations? This is an essay question I am working on and am stuck as to some of the major points to highlight. Any assistance would be appreciated in getting me started.

28. ## Science

1.what term best describes the measure of the increase in the concentration of a product per unit time? A)activation energy B)kinetics C)reaction rate D)reaction time 2. In the following equation, which of the reactants that is a bronsted-lowry acid

29. ## Physics

A square coil with 30 turns has sides that are 18 cm long. When it is placed in a 0.31-T magnetic field, a maximum torque of 0.60 N⋅m is exerted on the coil. What is the current in the coil?

30. ## law

What is the context of the juvenile justice system

31. ## English

16. What is the effect of the author’s use of assonance in the following line from “The Raven?” “For the rare and radiant maiden whom the angels name Lenore—” (1 point) A It creates emphasis on Lenore. B It explains Lenore’s appearance. C It

32. ## physics

A 0.40 kg mass is attached to a spring with force constant 26 N/m and released from rest at a distance of 3.2 cm from the equilibrium position Use conservation of energy to find the speed of the spring when it is halfway to the equilibrium position Find

33. ## Computers C++

1). After the assignment statement result = isspace('\t'); result has the value ________. 2). The data type of islower('g') is ________. 3). What will be output given the following information: float * pointer; float pay = 3.75; pointer = &pay; cout

34. ## chemistry

RANK THESE COMPOUNDS BY THE LENGTH OF THE CARBON-CARBON BOND

35. ## AP Chemsitry

A solution of an unknown monoprotic weak acid was titrated with 0.100 M NaOH. The equivalence point was reached when 37.48 ML of base had been added. From a second buret, exactly 18.74 of 0.100 M HCl were added to the titration solution. The pH was then

36. ## physics

You are asked to hang a uniform beam and sign using a cable that has a breaking strength of 372 N. The store owner desires that it hang out over the sidewalk as shown. The sign has a weight of 248 N and the beam's weight is 49 N. The beam's length is 1.30

37. ## chemistry

you are given an unknown gaseous binary compound. when 10.0g of the compound isburned in excess oxygen, 16.3g of water is produced. the compound has 1.38 times that of oxygen gas at the same conditions of temperature and pressure. give a possible identity

38. ## kettering elementary school

what do you do when you have 10 or more ones

39. ## math

if a basketball player shoots 50 free throws and makes 23% of them,how many free throws did he make?

40. ## math

i solved by factoring like this: 3x^2+5x-12=0 (3x+4)(x-3) -4 +3 x=-4 x=3 now i need to solve by the form x^2=k How do I do that?

41. ## physics

a girl throws a ball vertically upwards at 5m/s from the roof of a building 20m high how long will it take the ball to reach the ground? and what will its speed be when it strikes the ground

42. ## government

The President's power to veto congressional legislation and the requirement that Congress confirm the President's nominees to the Supreme Court are both examples of what?

43. ## algebra

15000(1+0.07/2)^2*4

44. ## social studies

why was the cotton gin important

meeting daily nutrient needs can best be accomplished by consuming?

Hi, I would like some assistance with this question. I am stuck between answers C and D. Both appear correct to me. D because I know Strategic Management is about attaining ALL of your objectives Strategic Management is about A. Attaining part of your

47. ## Chemistry

1.a radioscope which is neutron poor and very heavy is most likely to decay by? alpha , beta, electron capture, positron emission 2. When a 235-U nucleus is struck by a thermal neutron, fission occurs often with the release of neutrons. If fission

48. ## chemistry

Which element is obtained primarily from the distillation of liquid air? N, He, P, Sb, Ar There are two answers to this question. http://en.wikipedia.org/wiki/Liquid_air

49. ## history

In Mexico and most of Central America, most wealth is A. concentrated within the upper class. B. spread out evenly among all the people. C. divided between the middle class and the upper class. D. given to help the poorer class.

50. ## L.O

Name, in full three(3) institutions which deal with human rights violations

51. ## Algebra

What is the period of the function? y=4 cos pi x A. 1 B. 2 C. pi D. 2pi

52. ## Algebra

Suppose you drop a tennis ball from a height of 9 feet. After the ball hits the floor, it rebounds to 80% of its previous height. How high will the ball rebound after its third bounce? Round to the nearest tenth. A. 5.8 feet B. 1 feet C. 4.6 feet D. 7.2

53. ## MATH

IF A PERSON SCORE 16% HIGHER Than population what is standard deviation?

54. ## Trigonometry

A dancer completes 3.2 revolutions in a pirouette. What is her angular displacement?

55. ## Science

Please help check my answers 1. On a weather map, the center of the mid-latitude cyclone is labeled as an area (high/low) __________pressure. 2. On a weather map, a mid-latitude cyclone usually forms between these latitudes: A. 90 degrees and 180 degrees

56. ## College physics

Gun sights are adjusted to aim high to compensate for the effect of gravity, effectively making the gun accurate only for a specific range. (a) If a gun is sighted to hit targets that are at the same height as the gun and 100.0 m away, how low will the

57. ## Algebra II

I need to find the intercepts for: f(x)=e^(x^2-9x+20)-1

58. ## college algebra

Solve the system of linear equations and check any solutions algebraically. (If there is no solution, enter NO SOLUTION. If the system is dependent, express x, y, and z in terms of the parameter a.) x +2z=5 3x-y-z=12 6x-y-5z=27

59. ## Algebra

Solve the system of linear equations and check any solutions algebraically. (If there is no solution, enter NO SOLUTION. If the system is dependent, express x, y, and z in terms of the parameter a.) 3x-3y+6z=15 x+2y-z=11 5x-8y+13z=19

60. ## Transformations

List a sequence of transformations which maps the graph of y=x^2 to the image with equation y=4*(2x-3)^2 + 1 Please help

61. ## Pre Calc

Sima wishes to accumulate \$60000 in five years. She invests twice that amount in a fun that earns 7.2%, compounded quarterly. How much does she invest in each fund.

62. ## math

Luis rides his bicycle 3:4 of a mike in 5 minutes,or 1:12 hour,along the bike trail.Assuming he rides at a constant rate,what is his speed,in miles per hour?

63. ## Statistics

Assume that​ women's heights are normally distributed with a mean given by mu equals 63.8 inμ=63.8 in​, and a standard deviation given by sigma equals 3.1 inσ=3.1 in. Complete parts a and b.

64. ## science

number of grams of MgCl2 needed to prepare a 250ml of a 12% aqueous solution with 1.1g/ml density

65. ## math

find the equation of the family of hyperbolas where foci are (~4, 6) & (4, 0). Find the member of the family that passes through (2, 0)

66. ## Algebra 2

I had to solve this quadratic equation using the complete the square method. Did I do it correctly? The problem is 3x^2+18x+10= 0 (3x^2+18x+10)/3= 0/3 = x^2+6x+(10/3)=0 x^2+6x+(10/3)-(10/3)=0-(10/3) =x^2+6x= (-10/3( x^2+6x +(6/2)^2= -10/3+(6/2)^2

67. ## chemistry

a block of metal has a width of 3.2cm, a length of 17.1cm, and a height of 3.7cm. its mass is 1.3kg. calculate the density

68. ## Math

CAMERON AND HIS FAMILY WERE EATING LEFTOVER LASAGNA. There was 1/2 of the lasagna left. Cameron has one brother, one sister, and two parents. If everyone gets the same size pieces, what fraction of the original lasagna does each member of cameron's family

69. ## law

Does inspirational appeal always have to be engaged from a "top- down" approach? Can a leader develop a team where he becomes nearly "lateral" to his team at times that an inspirational appeal is employed, especially if it is genuine?

70. ## law

With the recent terrorists threats that the US has had for example the bombings at the Boston marathon, do you think the governement is going enough to protect the country from terrorism?

71. ## law

In your opinion what do you think is more important, civil liberties or security? Do you think that one outweighs the other?

72. ## algebra

The fraction of men in a population who are married is 2/3. The fraction of women in the population who are married is 3/5. What fraction of the population is single?

73. ## Math

I need to see how this is answered. 1. Lauren deposited \$200 into her savings account with 1% interest rate compounded annually. After 4 years her balance was \$208.12. Colby deposited \$200 into a savings account that earned a 2% simple interest rate for 4

74. ## law

How do you feel about juvenile delinquency?

75. ## law

Are the juvenile courts doing enough to change the treatment of juveniles in the justice system?

76. ## law

Are parents and school management playing a suitable role to control increasing school violence? If not, what else can they do to help solve the problem of school violence?

What is the inverse of each of the functions defined by the following equations, if the inverse exists. If the inverse does not exist for the largest possible domain, limit the domain so that the inverse will exist. In each case, give the domain and range

78. ## Statistics

A rental agency claims that the average rent that small-business establishments pay in Suvacity is \$800. A sample of 10 establishments shows an average rate of \$863. The standard deviation of the sample is \$20. At α = 0.05,is there enough evidence to

79. ## math

Marianne buys 16 bags of potting soil that comes in 5/8 pound bags a.how many pounds of potting soil does she buy? b. if her father calls and says he needs 13 pounds of potting soil, how many additional bags should she buy?

80. ## English

12. What does the following quote reveal about Montressor’s intentions? "'Pass your hand,’ I said, ‘over the wall; you cannot help feeling the nitre. Indeed it is very damp. Once more let me implore you to return. No? Then I must positively leave

81. ## Liberty

What is the sample Z score to reject the null hypothesis if the cut off Z score +-2.31?

82. ## statistics

A population is normally distributed with mean 30, population SD =10, Sample size 25. What are the mean and variance of the distribution of means, respectively?

83. ## Math

Samantha swam 30 meters to a boat in 16 seconds. How long did it take her to swim each meter? I worked it out this way 8/15 x 30 = 240/15 240 divided bt 15 = 16 seconds my teacher said I was wrong and said the answer was 30/16????

84. ## Math

Samantha swam 30 meters to a boat in 16 seconds. How long did it take her to swim each meter? How would I work this out? Thank You

85. ## math

the price of a fax machine is marked down from \$305 to \$262.30. what is the rate of discount

86. ## maths

A die is thrown twice. Find the probability that the number obtained in the first throw is smaller than that in the second throw.

87. ## maths

A group of y numbers has mean x. If the numbers 3 and 5 are removed from the group, the mean of remaining(y-2) numbers remains unchanged. Find x.

88. ## Finite Math

True or false. [A ¿ (B ¾ C)]c = (A ¿ B)c ¿ (A ¿ C)c

89. ## Finite Math

True or false. P (n, r) = r! C (n, r). explain why please, thanks

90. ## math

if i have a mix of 4oz. to 100lbs. how much would it be for 9Lbs.

2(n+3}

92. ## math

9/20 how do I multiply & simplity

93. ## Math

Use all ten digits from 0 to 9 only once. Do not use 0 in either the milions or thousandths places. What is the greatest number less than 5 million?

94. ## math

Alternate exterior angles are always ?

95. ## algebra

Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). The sum of two numbers is 36. Their difference is 4. Determine the two unknown numbers.

96. ## pre algebra

solve whether the sequence is arithmetic or geometric if it is arithmetic or geometric,state the common difference or common ratio and write the next three terms of the sequence 10,18,26,34

97. ## Probability

6 sided die is rolled 8 times, how many sequence of rolles are there?

98. ## physics

A turntable must spin at 33.7 rpm (3.53 rad/s) to play an old-fashioned vinyl record. How much torque must the motor deliver if the turntable is to reach its final angular speed in 1.5 revolutions, starting from rest? The turntable is a uniform disk of

99. ## physics

A spinning flywheel has rotational inertia I = 401.9 kg · m2. Its angular velocity decreases from 20.5 rad/s to zero in 257.1 s due to friction. What is the frictional torque acting?