# Kathleen

Most popular questions and responses by Kathleen
1. ## math

find the mean of the given porobbility distribution the number of golf balls ordered by customers of a pro shop has the following probability distribution x3 6 9 12 15 P(x) 0.14 0.05 0.36 0.35 0.10

2. ## Calculus

The sales of Universal Instruments in the first t years of its operation are approximated by the function S(t) = t 0.96t2 + 25 where S(t) is measured in millions of dollars. What were Universal's average yearly sales over its first 5 years of operation?

3. ## 100th day of school work

If you made a stack of nickels 100 inches tall, how many nickels will you need????????????? ARRRRRRRR! Math is soooo hard! Especially without a calculator!

4. ## ap physics

a rope is strung between two cliffs. A mountain climber weighing 100 kg is halfway across the rope when the rope forms an angle of 45 degrees with the horizontal. The tension in the rope is closest to what value?

5. ## Chemistry

Is the compound C2H3Cl polar or nonpolar and why?

6. ## Chemistry

What colligative properties are displayed by these situations. 1. Antifreeze is added to car cooling system preventing freezing when air temp is below 0 degrees C. 2. Ice melts on sidewalk after salt has been spread

7. ## Math corrections

What are the first four terms of the sequence represented by the expression n(n-1)-4 A)-2,2,6,10 B)-3,0,3,6 C)-4,-2,2,8 D)-5,-4,-2,6

8. ## medical billing

What may lead to claim denials or improper service reimbursement? A. Inaccurate physician documentation B. Updated ICD-9-CM codes C. HCPCS codes on outpatient surgeries D. Reporting of multiple APGs 5. You're switching jobs on Monday. Which Act was

9. ## Medical Billing

What is needed to determine a facility's CMI? A. The relative weight, sum of all discharges, and hospital base rate B. The hospital base rate and DRG relative weight C. The relative weight of a specific DRG and total discharges for that DRG D. The sum

10. ## physics

. A ball is thrown so that it just clears a 10 feet fence 60 feet away. If it left the hand 5 feet above the ground and at an angle of 60° with the horizontal, what was the initial velocity of the ball?

11. ## Spanish

Which of the following is used as a term of affection in Mexico? A) mijito B) Buena Onda C) cajeta

12. ## physics

A 500 g steel block rotates on a steel table while attached to a 2.0-m-long massless rod. Compressed air fed through the rod is ejected from a Inozzle on the back of the block, exerting a thrust force of 3.5 N. The nozzle is 70^\circ from the radial line,

13. ## chemistry

When a solution of 6M HCl is made from a stock of concentrated HCl by adding an equal volume of water, why is the concentration of the solution only an approximate concentration?

14. ## Physics

A girl delivering newspapers covers her route by traveling 2.00 blocks west, 5.00 blocks north, and then 8.00 blocks east. (a) What is her resultant displacement? (only enter the angle of the resultant in the answer space below, not the distance) enter it

15. ## Spanish

How would you ask "How are you" formally

16. ## Medical Billing

Mrs. F is a 72-year-old retired school teacher who is hospitalized for pneumonia. What is most likely being used to pay for her hospital stay? A. Medicare Part B B. Medicare Part C C. Medicare Part D D. Medicare Part A

17. ## Chemistry

4. Write the balanced equation for CH4+Cl2„_CH2Cl2+HCl. 5. Using the equation in problem 4 if 6.00 g of CH4 are mixed with 6.00 g of CL2, how much HCl can be made? What is the percent yield if 2.5 g are recovered from the reaction in the lab?

18. ## math

a swimming pool is 20m by 12m and it slopes gently from a depth of 1m at the shallow end to a depth of 3cm at the deep end [a]Calculate the volume of water in the swimming pool [in m cubic] when it is full

19. ## sci

Which of the following describes the pathway that the nerve impulses travel while throwing a baseball

20. ## science

Proteins are large molecules. They enter cells through A. passive transport B. active transport C.diffusion D.osmosis

21. ## Physics

A 1300 kg sports car accelerates from rest to 85 km/h in 6.2 s. What is the average power delivered by the engine?

22. ## chemistry

Determine the minimum concentration of the precipitating agent on the right to cause precipitation of the cation from the solution on the left. 3.0*10^-2 M BaNO3;NaF

23. ## chemistry

A sample of oxygen occupies 38.9L at STP. What will the pressure need to be in Torr. if the volume is to be changed to 32.2L without a change in T.

24. ## Geometry

If line AB is perpendicular to line EF, and line CD is perpendicular to EF, then the measure of angle 1=the measure of angle 2. Give an arguement for the statement and a reason for each step. There is also a diagram drawn on my homework which is a vertical

25. ## Math

John is playing with a 4oz toy car. If Mary's toy car is 10x more but 4x less than John's. How much does Mary's toy car weigh?

26. ## math

in track practice jesse ran a mile in 7 minutes. his mile time was 2.5 times faster than michaels time. write and solve an equation to calculate michaels mile time.

27. ## Literature

Why do you think the singer was an important person in Danish communities? (Beowulf)

28. ## math

boat travels 280 m in a time of 120s. WHAT IS THE BOATS VELOCITY

29. ## maths

what is the ratio in the simplest form 120:60

30. ## College Chem

4. Write the balanced equation for CH4+Cl2„_CH2Cl2+HCl6. For the reaction in problem 4, Heat of Reaction = -118.3 kcal/mol. Identify whether this is an exothermic or endothermic reaction. Calculate the Heat of Reaction when 6.00 g of Cl2 are used in the

31. ## Chemistry

8. For the reaction H2(g)+I2(g)„\2HI(g); [H2] = 0.95 M; [I2] = 0.78 M; [HI] = 0.27 M. Calculate the equilibrium constant K and describe the direction (forward or reverse) of the reaction. Will adding a catalyst to the reaction alter the direction of the

32. ## chemistry

find the specific heat of lead using 200 g of pb at o degrees celcius and placing it in 200 g of water at 60 degrees celcius

33. ## batac national high school

A mother is three times as old as her son. Eight years ago, she was 4 more than five times the age of her son. How old is the mother now?

34. ## Math

I am stuck on a problem that has to do with the double angle formulas. I have to solve this: 4sinxcosx = 1. I tried using the formula 2sinu = 2sinucosu by substituting it in like this: 2(2sinxcosx)= 1 but then I am stuck

35. ## English

Why does Daisy cry over Gatsby's shirts in the "The Great Gatsby" when he is showing her his house. Is there any significance?

36. ## Art

artists are driven to create art for many different reasons. What seems to be the purpose for this artistic creation?

37. ## Penn Foster

what's the answer to question 1.in subject Planning and implementing for the Envioroment Question, The three major areas of a child care facility are A. Adult,service and storage. B. adult, children's and service C. Children's service. and activity D.

38. ## Math

Write each of the fractions in their decimal form and then arrange them from the smallest to the biggest. 2/3 3/5 31/50 67/100

39. ## European history

Chose the correct answer and explain why: Malthus and Ricardo would both agree that a. One solution to poverty was to pay higher wages b. Poverty was inevitable c. Economic growth would end up in poverty in the long run d. capitalism is an evil system

40. ## Microbiology

Why are fermentation tubes evaluated at 24 and 48 hrs? If an organism oxidatively metabolizes glucose, what will occur in the fermentation tubes?

41. ## math

Is this right? smallest to biggest 0.62 31/50 0.67 2/3 0.67 67/100 0.6 3/5

42. ## science

how can i make an Auto-Off Candle by Lisa Marie Wright?what is the materials included?

43. ## Physics

A girl delivering newspapers covers her route by traveling 2.00 blocks west, 5.00 blocks north, and then 8.00 blocks east. (a) What is her resultant displacement? (only enter the angle of the resultant in the answer space below, not the distance) enter it

44. ## Design Logic and programming

write a program that ask the student to enter an answer to a math problem. The user should enter two values, one at a time, and then ask for an answer. The program should display if the entered answer is correct or not and display the correct answer if the

45. ## english

What are the two topic sentences of this paragraph? “As I was sewing the top of the pillow, my grandmother mumbled along, her frail voice faltering as she gasped for breath in between disjointed sentences and phrases. She explained the reason for all her

46. ## math

The total area of three flowerbeds is 8 13/20m². Calculate how much of the garden remains if the whole garden covers 10 squared meters. Please show the working.

47. ## Math

The total area of three flowerbeds is 8 13/20m². Calculate how much of the garden remains if the whole garden covers 10 squared meters. Please show the working!

48. ## Geometry

What is the reason called when there are two legs on an isosceles triangle, are bisected using a mid segment to form a trapezoid, and you are trying to prove the legs of the trapezoid are congruent?

49. ## Humanities

What gave rise to democracy in Athens? Explain why Plato did not favor democracy as the best form of government in his Republic? Are there any good online sources where I can find the above questions? Thanks.

50. ## computer science

I need to write a program that ask the student to enter an answer to a math problem. The user should enter two values, one at a time, and then ask for an answer. The program should display if the entered answer is correct or not and display the correct

51. ## chemistry

what is the number of mole equivalents of H2 produced by the reaction of 1 mole equivalent of Mg (m) with H2SO4 (aq)?

52. ## English

Why does Nick the narrator refer to character differently every time he talks to them? For example, sometime he refers to Tom as "Tom" but other times, he refers to him as "Tom Buchanan"? is there a reason for this?

53. ## College Chem

4. Write the balanced equation for CH4+Cl2„_CH2Cl2+HCl What are 3 ways you can speed the reaction in this equation?

54. ## social studies

Why does the President as commander-in-chief of the armed forces?

55. ## algebra

Hi guys: Can any one please tell me what does this means? Thanks ---------------------------------------------------------------------- The second matrix is simply the symmetric version of the first. This 1 2 3 4 5 6 7 1 0 2 3 x 2 4 x 2 2 3 11 2 3 5 3 3 9

56. ## physics

How long will it take a 1280 W motor to lift a 345 kg piano to a sixth-story window 19.0 m above?

57. ## Geography

How do I calculate gradient when I end up with and odd number: I understand the example, which ends up 80m/1600m = 1/20 therefore the answer is 1:20. However what do I do when I have an answer like 637/2200, which is an odd number, how does this then

make pu a data set of at least 12 numbers that have the following landmarks maximum 18 mode 7 range 13 median 12

59. ## English

What are the two topic sentences of this paragraph? “As I was sewing the top of the pillow, my grandmother mumbled along, her frail voice faltering as she gasped for breath in between disjointed sentences and phrases. She explained the reason for all her

60. ## math

what is 3m/m (fraction), Written as a mixed fraction

61. ## math

identify the ff properties in the given quadratic equations: a.Vertex b. axis of symmetry c. Domain d. Range e direction of graph 1.f(x)=x2-5x+14

62. ## Algebra

So on this worksheet i am doing, we have to find the nth term, given "s" sub "n". I got up to the point of the quadratic, set it equal to zero, but can not find the correct factors. can anyone help? n(squared)+10n-4544=0 n(squared)-6n-420=0

63. ## Algebra

i am stuck on this one math problem. The question is to write a rule for the pattern (it is a section on sequences) The pattern is -5,10,-15,20,-25. What is the rule? A sub n = ?

64. ## English

What does the green light symbolize in the Great Gatsby when Gatsby vanishes in chapter 1?

65. ## Chemistry

4. Write the balanced equation for CH4+Cl2„_CH2Cl2+HCl 4a. For the reaction in problem 4, ƒ´H = -118.3 kcal/mol. Identify whether this is an exothermic or endothermic reaction. Calculate the ƒ´H when 6.00 g of Cl2 are used in the reaction

66. ## science

I guess I'm missing something here...but I've approached this question in every possible angle and im just not getting it! Could somebody point me in the right direction? Here is the question: If the measured net radiation (Q*) for the lawn of your home in

I cannot get my brain around questions like this: 1/4 divided by 2/5 = 2/4 x ? I have 4 problems like this and even the example doesn't make sense - I may have copied it wrong off of the board. Can anyone help? Thank you! You invert the second fraction and

68. ## Stats.

For this section, use the following distributions: 1) A direwolf has a 70% probability of killing a stag upon encounter; 2) a dire wolf awakens the village on average 1.2 times per six weeks; 3) a dire wolf will eat an amount that is uniformly distributed

69. ## Health

Can someone please explain the difference between a vasectomy and tubal ligation. I know that one is for men, and one is for women, but that's about it

70. ## English

I have an essay about difficulties in life which is based on a book I read with my class. I am having trouble finding difficulties or adversities I have had in my life. Can you please give me some examples of difficulties that you, or anybody else could

71. ## Accounting

What affect can the incorrect (intentional or unintentional) posting, journalizing, and reporting of financial data have on a company, an accountant, or a company's stakeholders?

72. ## Australian Studies

The ‘great obesity epidemic’ is stated as one of the great health issues in developed nations in the 21st century, especially for Australia. Explain briefly how changes in social beliefs, concerns and values have contributed to this ‘epidemic’,

73. ## Australian Studies

Australia has been described as an ageing society. What is meant by this description and how have government(s) planned for this?

74. ## Australian Studies

Explain what the key values in Australian society are? Use examples to highlight your understanding.

75. ## Math

If you put \$5,000/ year into an IRA and get 4% per year, what would you have after 40 years?

76. ## English

The acrobats performed an amazing BALANCING act. Is balancing an adjective in this sentence?

77. ## chemistry

What solid is formed upon addition of silver nitrate to a solution of cobalt chloride?

78. ## Algebra

what is the solution to 2(-5y cubed)squared + (-3ycubed)cubed

79. ## science

What is one animal that lives in the rainforest and what is it's adaptation?

80. ## Math

Divide: 4 1/5 / 14

81. ## Math

Multiply: (7.6)(1)(6)

82. ## Alegebra II

if 3ãx6 + 3ã8x3 + 3ã1 = 0, then x= (A) -1 (B) 0 (C) 1 (D) 2 (E) 3

83. ## Science

If you spin a water-filled cup horizontally on a flat table, did you exert force on the water?

84. ## science

How does ozone gas to int get into the earth?

85. ## statistics

a test has a mean score 73 with standard deviation of 12.students with scores greater than 85 receive an A. What is the percent of the students would we expect to get an A? assume the normal distribution

86. ## OLSAT

I don't know if this can be answered here but, I will ask. My son took the OLSAT test. He is a first grader but, on my assessment results he is listed as a 4th grader. His SAI is 110. Would this error change his results?

87. ## maths

how do you draw a line of best fit on a scatter graph?

88. ## algebra

How do you solve an equation like: (5-11)/x+2=3

89. ## AP psychology

I'm having trouble figuring out this question: Three yr old Marco suffered damage to the speech area of the brain's left hemisphere. Research suggests that a) he will never speak again b) his earlier experiences with speech will enable him to continue

90. ## English

The swimming strokes of the woman were jerky. Is this the correct verb to use in this sentence? The Subject is plural not so, so the verb must be plural too!

91. ## math

3m/m is a fraction. How do I right it as a whole number. Is it just 3?

92. ## arithmetic

The cost of a lunch of 1 pizza and 2 cups of coffee is \$7. The cost of a lunch of 3 pizzas and 5 cups of coffee was \$20 at the same cafe. How much will 1 pizza and 1 cup of coffee cost? Thanks!

93. ## Algebra

I am stuck on a question about composition functions. They want you to find f(g(x)) and g(f(x)) using the following numbers: g(x)= 10x f(x)= x (squared)+4

94. ## Chemistry

What are the common molecular shapes around the carbons?

95. ## Chemistry

What is the importance of a freezing point depression graph and why and what things change when different solutes and solvents are added?

96. ## science

what is faster panther or cardinal

97. ## science

name each ion 1. As3- 2. Ca2+ 3. H- Since this is not my area of expertise, I searched Google under the key words "H- ion", As3- ion" (Sure you don't mean "+"?) and Ca2+ ion" to get these possible sources: http://www.h-minus-ion.org/

1. ## Math

Can you explain how you got the answer above!

posted on April 23, 2019
2. ## science

Im thinking B

posted on February 14, 2019
3. ## sci

Im thinking its Sensory neuron to brain to motor neuron to muscle

posted on February 13, 2019