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

asked on April 17, 2016
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?

asked on November 25, 2014
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!

asked on February 14, 2018
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?

asked on February 2, 2016
5. Chemistry

Is the compound C2H3Cl polar or nonpolar and why?

asked on March 29, 2010
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

asked on March 24, 2010
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

asked on January 31, 2019
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

asked on August 6, 2015
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

asked on August 6, 2015
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?

asked on August 8, 2016
11. Spanish

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

asked on January 28, 2019
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,

asked on November 10, 2010
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?

asked on July 25, 2010
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

asked on September 16, 2013
15. Spanish

How would you ask "How are you" formally

asked on November 6, 2018
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

asked on August 6, 2015
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?

asked on March 28, 2010
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

asked on December 31, 2018
19. sci

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

asked on February 13, 2019
20. science

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

asked on February 14, 2019
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?

asked on February 28, 2011
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

asked on July 29, 2010
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.

asked on June 9, 2011
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

asked on September 26, 2013
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?

asked on October 30, 2018
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.

asked on October 8, 2012
27. Literature

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

asked on November 20, 2012
28. math

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

asked on January 12, 2019
29. maths

what is the ratio in the simplest form 120:60

asked on February 15, 2011
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

asked on March 29, 2010
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

asked on March 29, 2010
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

asked on June 19, 2012
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?

asked on December 1, 2015
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

asked on December 6, 2010
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?

asked on April 15, 2010
36. Art

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

asked on August 14, 2018
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.

asked on September 19, 2011
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

asked on September 26, 2010
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

asked on April 3, 2010
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?

asked on March 29, 2010
41. math

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

asked on September 26, 2010
42. science

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

asked on September 8, 2010
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

asked on September 16, 2013
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

asked on February 13, 2012
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

asked on September 27, 2010
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.

asked on September 26, 2010
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!

asked on September 26, 2010
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?

asked on January 14, 2014
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.

asked on June 15, 2013
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

asked on February 14, 2012
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)?

asked on November 13, 2010
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?

asked on April 8, 2010
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?

asked on March 29, 2010
54. social studies

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

asked on November 3, 2009
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

asked on December 13, 2011
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?

asked on February 28, 2011
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

asked on October 12, 2010

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

asked on October 7, 2010
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

asked on September 27, 2010
60. math

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

asked on September 24, 2010
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

asked on July 25, 2010
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

asked on June 2, 2010
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 = ?

asked on May 26, 2010
64. English

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

asked on April 8, 2010
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

asked on March 29, 2010
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

asked on October 1, 2009
67. 5th Grade Math

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

asked on April 23, 2007
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

asked on September 21, 2016
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

asked on January 1, 2014
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

asked on August 20, 2013
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?

asked on February 11, 2013
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’,

asked on June 24, 2012
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?

asked on June 24, 2012
74. Australian Studies

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

asked on June 24, 2012
75. Math

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

asked on June 22, 2011
76. English

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

asked on September 27, 2010
77. chemistry

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

asked on July 22, 2010
78. Algebra

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

asked on February 20, 2010
79. science

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

asked on October 20, 2009
80. Math

Divide: 4 1/5 / 14

asked on August 18, 2008
81. Math

Multiply: (7.6)(1)(6)

asked on August 16, 2008
82. Alegebra II

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

asked on October 16, 2007
83. Science

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

asked on April 29, 2014
84. science

How does ozone gas to int get into the earth?

asked on March 9, 2014
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

asked on November 28, 2011
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?

asked on February 19, 2011
87. maths

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

asked on February 15, 2011
88. algebra

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

asked on December 17, 2010
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

asked on October 18, 2010
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!

asked on October 11, 2010
91. math

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

asked on September 24, 2010
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!

asked on June 16, 2010
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

asked on June 9, 2010
94. Chemistry

What are the common molecular shapes around the carbons?

asked on March 29, 2010
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?

asked on March 25, 2010
96. science

what is faster panther or cardinal

asked on January 10, 2009
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/

asked on April 25, 2007
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