# Nancy

Newest questions and responses by Nancy
1. ## PHYSICS

A LIVING ROOM HAS DIMENSIONS 3.5M X4.2M X4.2M .WHAT IS THE PRESSURE EXERTED BY THE AIR ON THE FLOOR IN THE ROOM

2. ## Science

Methanol reacts with carbon monoxide in the presence of a catalyst to produce ethanoic acid. Reacted completely with carbon monoxide in a reaction vessel. What is the theoretic yield of ethanioc acid?

3. ## math/algebra

Elena bought 49 packs of red balloons, 66 packs of blue balloons, and 35 packs of yellow balloons. Each contained 12 balloons. She mixed them up and gave away some balloons. She then repacked the balance into packs of 25. QUESTION A: How many balloons were

4. ## Science- chemistry

Some chemical reactions are affected by surface area, whereas others are not. Explain why this is so.

5. ## Math

Ivan has 6 timesfas many blue beads as red beads. How many blue beads does Ivan have?

6. ## math

Lamont lost 8 yards in the first quarter of the football game. In the second quarter he gained 6 yards. Which integer represents the opposite of Lamont's yardage in the second quarter?

7. ## Philosphy

Give an example of Aristotle’s virtuous mean. For example the extremes of eating is starvation at one end and gluttony at the other end. The virtuous mean would be a balances healthy diet.

8. ## Math

Use the list below to find the lower quartile 27 511 13108 14187 answer a is 7 B is 7.5 C is 8 and D is 8.5 my answer is C8 please verify

9. ## Math

Joe is playing a game with a regular die. If the number that turns up is even, he will gain 5 times the number that comes up. If it is odd. He will lose 10 times the number that comes up. He tosses a 3. Express the results as a integer.

10. ## Physics

What takes more energy to raise its temperature by one degree, water or ice? Thanks!

11. ## Ap chemistry

if a 84g sample of thorium decays with a 10 minute half life, how much would the sample weight in a half hour?

12. ## physics

An apple falls from a tree and hits the ground 10.9 m below. With what speed will it hit the ground? The acceleration of gravity is 9.8 m/s 2 . Answer in units of m/s.

13. ## science

How is this equation balanced Fe2o3+co

14. ## Science

Write correct formulas for the products in these combustion reactions. a)C6H6 + O2= b)C12H22O11+O2= c)C25H52+O2= d)C2H5OC2H5+O2= e)C4H9OH+O2=

15. ## Science

Write correct formulas for the products in these combustion reactions.C6H6 + O2=

16. ## stat

In a random sample of 200 registered voters, 150 indicated they are Democrats. Develop a 99% confidence interval for the proportion of registered voters in the population who are Democrats.

17. ## Statistics

The table to the right lists probabilities for the corresponding numbers of girls in three births. What is the random​ variable, what are its possible​ values, and are its values​ numerical? Number of girls x ​P(x) 0 0.125 1 0.375 2 0.375 3 0.125

18. ## Algebra

The US has an area of 0.75 miles squared, and LA has an area of 3,705,000 miles squared. LA's area is N× 10^ (n), where N=____ and n=_____

19. ## Maths

Construct a parallelogram ABCD, where AB=7cm ,AC =9cm and /_A = 75°

20. ## Math

A population grows exponentially at a rate of 2.6% per year. How long will it take for the population to triple?

21. ## science

A car is moving at a speed of 72 km/hr. The radius of its wheels is 0.25m. If the wheels are stopped in 20 rotation by applying brakes, then angular retardation produced by the brakes is:

22. ## Math

You have a jar with 60 jelly beans. You know that 1/3 of the jelly beans are yellow, 1/4 of them are white and the rest is red. You are not allowed to look. How many beans do you have to take out to be absolutely sure to get at least one yellow one? Can

23. ## Math

2 kitchen employees combine make \$52000 per year. If they both get a \$4,000 increase what is the new average cost per employee?

24. ## Math

Which department staffing cost the largest proportion of the total staffing budget? Bakery \$88,000 Kitchen \$ 322,000 Catering \$96,000 Bar \$120,000 Sever/Host \$470,000

25. ## science(physics)

A powerful motorcycle can accelerate from rest to 28m/s in only 4 second . a.what is its average acceleration? b.how far does it travel in that time

26. ## Math

In the number 652,273, which place contains digits where one digit in one tenth value of the other?

27. ## Math

An airline believes that the probability of a passenger being a no-show on a morning flight is 12%. If the airline overbooks a 300 seat morning flight by selling 350 tickets how many empty seats should the airline expect to have on the flight

28. ## Physical

Which of the following is an appropriate cue for running? (Points : 1) bend your knees drive the arms strongly step-close push off with toes

29. ## Math

there is an even number greater than 0 and less than 4 in my hundredths place. the digit in my tenths place is twice as large as the digit in my hundredths place what decimal am i

30. ## Pre-Calc with Analytic Geometry

Function : y=cot(2x+pi) 1)determine the interval for the principal cycle. (Type this answer in interval notation) 2)Then for the principal​ cycle, determine the equations of the vertical​ asymptotes. 3)find the coordinates of the center​ point. 4)

31. ## statistics

2) sue, a botanist, is studying a new plant seed. if it is known that these seeds have a 95% probability of germinating. if sue plants 6 seeds, what is the probability that; a) exactly four seeds will germinate? b) at least five will germinated? c) at most

32. ## statistics

sue, a botanist, is studying a new plant seed. if it is known that these seeds have a 95% probability of germinating. if sue plants seeds, what is the probability that; a) exactly four seeds will germinated? b) at least five will germinated? c) at most one

33. ## statistics

sue, a botanist, is studying a new plant seed. if it is known that these seeds have a 95% probability of germinating. if sue plants seeds, what is the probability that; a) exactly four seeds will germinated? b) at least five will germinated? c) at most one

34. ## Math

One day a store sold 30 sweatshirts. White ones cost \$9.95 and yellow ones cost \$13.50. In all, \$351.75 worth of sweatshirts were sold. How many of each color were sold?

35. ## Maths

In an election there were 3 candidates 3/7 of the electors voted for the winner. The runner up received 5/8 of the remaining votes, what fraction of the electors voted for the third candidate

36. ## Life orientation

3 human rights violations or discrimination and explain in an introductory paragraph why you choose the specific human rights violations or discrimination

37. ## chemistry

Descibe the frasch process

38. ## Physics

Brett stats from rest on his skateboard and accelerates at 0.5 m/s2 [N] for 12s, and then maintains his velocity for 15s before falling off his board. He slides along on his back until he comes to rest, accelerating at -2.4 m/s2. a) Calculate the highest

39. ## PHYSICS CENTER OF MASS

A thin rectangular plate of uniform areal density σ = 2.79 kg/m2 has length of 37.0 cm and width of 23.0 cm. The lower left hand corner is located at the origin, (x,y)= (0,0) and the length is along the x-axis. (a)There is a circular hole of radius 8.00

40. ## math

3y+x=10 x=2y-1 3y+x-×=10-x

41. ## math,science,tourism,geography

First option i want to be a social worker.sec option to be a police.last option is be a tourism management. Where do i go to further my study and what are the reguirement for this courses?

42. ## Math

A letter is chosen randomly from the 26 letters in the alphabet. Find the probability of choosing a consonant.

43. ## College Algebra

A sailboat has a triangular sail with an area of 20 square feet. The height of the sail is 6 feet more than the length of the base of the sail. Find the height of the sail.

44. ## Math

You are building a frame for a photograph that is 8 inches by 11 inches. The width of the frame must be uniform around the picture and you have 42 square inches of wood to use. What is the width of the frame?

45. ## Math

One car is 3.9 meters long the other is 6%shorter How long is second car? What is the formula I use for questions involving %

46. ## algebra

Find an equation for the line parallel to y=2x-7 with y-intercept(0,6). Write the answer in slope-intercept form. The equation of the line in slope-intercrpt form form is

47. ## algebra 2

Kate can row a boat 10 miles per hour in still water. in a river where the current is 5 miler per hour, it take her 4 hour longer to row a given distance upstream than to travel the same distance downstream. Find how long it takes her to row upstream, how

48. ## physics

A dart leaves the barrel of a blowgun at a speed v. The length of the blowgun barrel is L. Assume that the acceleration of the dart in the barrel is uniform. If the darts exit speed is 17 m/s and the length of the blowgun is 1.10 m, find the time the dart

49. ## algebra

the sum of the digits of a three digit number is 14. the tens digits exceeds twice the hundred digit by one. If 3 were added to the number, the units and hundreds digit would be the same. find the number. solve H = hundred digit t in ten digit u in unit

50. ## math

A clerk spent his 35 hour work week as follows: 1/5 of his time in sorting mail; 1/2 of his time in filing letters; and 1/7 of his time in reception work. The rest of his time was devoted to messenger work. The percentage of time spent on messenger work by

51. ## Physics

In a 5.00 km race, one runner runs at a steady 11.8 km/h and another runs at 14.7 km/h . How long does the faster runner have to wait at the finish line to see the slower runner cross?

52. ## Math

How could you rewrite the expression (-3+5)+8+(-1) using the Associative Property of Addition? A. -3-8+(5+1) B. (-3+(-1))+(5+8) C. -3+(5+8)+(-1) D. 5+8+3+1 Is the answer C? Thank you

53. ## Math

A Picture is surrounded by a frame 10 5/8 inches and 6 1/2 inches. what is the area of the entire picture including the frame

54. ## com200

The term ________________ describes a wide range of common and nonstandard English, including jargon, colloquialisms, idioms, and slang.

55. ## computer programming

HotelRoom class programming . Replace Disply_Number() and Display_Guest() methods by the methods Get_Number() and Get_Guest(), respectively , so that each returns a pointer to the corresponding instance variable. Recode main() as necessary .

56. ## Science

When 1.23g of ethanol (delta c Hm = -1368kj/mol at 25 C ) is burned in an adiabatic flame calorimeter, the temperature increases by 8.6 C. Under the same experimental conditions, when 1.14g of 1-propanol is burned, the temperature increases by 9.0 C. What

57. ## Science

A solution containing 3.22g of solute in 40.0g of 1,4-dichlorobenzene and its freezing point is 49.2 C. Calculate the molar mass of the solute.

58. ## Operations

You have a retail-clothing store for fashion items. For simplicity, let us consider just one gown in this question. You have to purchase your inventory at the start of the season at \$60 per gown, and you plan to sell it \$100. You have a 50% chance of

59. ## geometry

In the xy - plane, line l has equation y= -x. Point P lies on l and has coordinates (-2,2). If l is rotated counterclockwise 45 degrees about the origin, what will be the coordinates of the image of P under this rotation.

60. ## Algebra 2

Solve the Equation. (x+2)/(4x)-3/(2x)=1/8

61. ## chemestry

the common isotopes of chlorine weigh 35&37 units A.How many different mass molecules are there for dichlormethane,ch2 cl2? B. Draw and label each molecule C. explain why the ram of chlorine is about 35.5& not a whole number. D. lighter molecules diffuse

62. ## Healthcare Statistics

As a data collection specialist at the National Institutes of Health (NIH), you have been involved in a research study conducted over the past year. The study found that liver cancer rates per 100,000 males among cigarette smokers to nonsnmokers, in a

63. ## Healthcare Statistics

What is the mode of this data set 22 27 32 32 35 35 36 37 38 42 48 52 53 54 55 55 55 58 59 62 62 63 64 65 65 65 67 69 75 84 I see four modes: 32, 35, 55, and 65 Would this be considered multimodal?

64. ## maths

a carpenter has a board that is 8 ft long. he cuts off two piece.one piece is 3 1/2 ft long and other is 2 1/3ft long.How much off the board is left.

65. ## Algebra 2

Solve the equation x^3 - 3x^2-22x+24=0 do you use a graph?

66. ## Algebra 2

solve the equation x^2 - 3x^2-22x+24=0 do you use a graph?

67. ## Algebra 2

Write the following in Summation Notation. 2/5+4/6+6/7+8/8+10\9

68. ## Math

Suppose 1% of the population is known to have a medical condition. There is a test for the condition, and 80% of people with the condition test positive for it. Also, 10% of people without the condition test positive for it. Follow these steps to find the

69. ## Math

Gabriella is x years old.Her sister Felicia,is six years old than she is.Their mother is twice as old as Felicia.Their aunt,Tanya,is x years older than their mother.Write and simplify an expression that represents Tanya's age in years.

70. ## Algebra 2

Write an equation for the relationship z varies jointly with x and the square of y, and inversely with r and s.

71. ## Human Resources

In 2003, a company employee received an option to purchase the company's stock at \$45 per share. If the stock is trading at \$40 a share in 2003, the employee will most likely... Is it to exercise the option, receiving a gain of \$5?

72. ## chemistry

If your car gets 21.4 mpg, how many L of CO2, will you release into the atmosphere, if you drove the 1280miles from Towson University to key West Florida for a much needed break after taking Chemistry 121? Assume 1.05atm and 17.0C. What would your carbon

73. ## Managerial Accounting, MBA

A company produces a single product. Variable production costs are \$12 per unit and variable selling and administrative expenses are \$3 per unit. Fixed manufacturing overhead totals \$36,000 and fixed selling and administrative expenses total \$40,000.

74. ## Managerial Accounting

Garcia Veterinary Clinic expects the following operating results next year: Sales (total) \$600,000 Variable expenses (total) \$120,000 Fixed expenses (total) \$300,000 What is Garcia's break-even point next year in sales dollar?

75. ## Managerial Accounting

Garcia Veterinary Clinic expects the following operating results next year: Sales (total) \$600,000 Variable expenses (total)

76. ## Chemistry Correction

Hi, I'm trying to solve for the radius of the sphere. This is the correct steps: 8.27*10^-29 = 4/3 pi * r^3 r^3 = 2.0225 * 10^-29 cu meters When I do 8.27x10^-29 / 4/3 pi, I don't get the answer 2.0225x10^-29 Can you tell me what I'm doing wrong?

77. ## algebra 2

find the domain y=-ãx-5 +3

78. ## Algebra I

Use one unit multiplier to write the expression needed to convert 42 meters to centimeters? It also said;Do not carry out the actual multiplication. So do I just write my answer 42m over 1 x 100cm over 1m? Thank You for your help.

79. ## mechanics

a sledge of mass 25kg is pulled along a smooth frozen lake by a rope which is pulled at an angle of 30 degrees to the horizontal.if the sledge accelerates at 1.5 metres per second, find the tension.

80. ## Language arts

How should the United States government have behaved in dealing with the disputes between the Cherokees and the white settlers?

81. ## Math

Pey Soon has taken out a 20-year, \$150,000 mortgage with monthly payments (made at the end of each month) at a stated mortgage rate of 6.8% per year compounded semi-annually. If she makes each payment on time, what will be the mortgage principal remaining

82. ## Math help

You plan to make 24 equal quarterly payments (payments are at the end of each period) into an account to pays 8% (per year compounded quarterly). If you need \$5,000 at the end of 10 years (i.e. 4 years after the last payment is made into the account), how

83. ## Math

123 Inc has a profit margin of 15%. Its total asset turnover ratio is 2 and its dividend payout ratio is 60%. What is the company's internal growth rate? Please show steps

84. ## Math

Given the following information: current assets = \$400; fixed assets = \$500; accounts payable = \$100; notes payable = \$45; long-term debt = \$455; equity = \$300; sales = \$450; costs = \$400; tax rate = 34%. Suppose that current assets, costs, and accounts

85. ## Math

You plan to make 24 equal quarterly payments (payments are at the end of each period) into an account to pays 8% (per year compounded quarterly). If you need \$5,000 at the end of 10 years (i.e. 4 years after the last payment is made into the account), how

86. ## Math

You have the following data for the Fosberg Winery. What is Fosberg's return on assets (ROA)? Return on equity = 15%; Earnings before taxes = \$30,000; Total asset turnover = 0.80; Profit margin = 4.5%; Tax rate = 35%.

87. ## Math

You have borrowed \$135,000 from the bank today. You are required to repay this money over the next six years by making monthly payments of \$2,215.10 at the end of each month. What is the quoted interest rate for the loan (with monthly compounding)? Please

88. ## Math

You are the financial manager at Best Buy where a certain TV set is normally sold for \$2,500 and the full purchase price is financed for 30 monthly payments at 24% per year compounded monthly, with the payments made at the end of each month. During

89. ## Chemistry Check

Determine the missing values of deltaH in the diagram shown below ^ | ^ N2O3(g) + 1/2 O2(g) (Enthalpy)| | ^ | | deltaH= +16.02 | | | | | | 2 NO2(g) | | | ^ | |deltaH=? | | | | | | deltaH=?| | | | | | | | N2(g)+202(g) | Answer: Delta H for the right= 66.36

90. ## Chemistry

Please help! I don't understand these questions at all. :( Fe2O3(s) + 2Al(s) -> Al2O3(s) + 2Fe(l) If 0.50 mol of Fe is produced in 10 secs, what is the rate of consumption of Fe2O3 in mol/s? A. 5.0 x 10^-2 mol/s B. 2.5 x 10^-2 mol/s C. 1.0 x 10^-1mol/s D.

91. ## chemistry

An alternative approach to bomb calorimetry is toestablish the heat capacity of the calorimeter, exclusive of the water it contains. The heat absorbed by the water and by the rest of the calorimeter must be calculated separately and then added together. A

92. ## chemistry

For the adiabetic expansion of an ideal gas a) does the gas do work? B) doesd the internal energy of the gas increase, decrease or remain constant? C) what happens to the temperature? Please check my answers A) yes the gas does work because it is expanding

93. ## Math (Implicit Differention)

use implicit differentiation to find the slope of the tangent line to the curve of x^2/3+y^2/3=4 at the point (-1,3sqrt3)

94. ## Rodriguez

use implicit differentiation to find the slope of the tangent line to the curve of x^2/3+y^2/3=4 at the point (-1,3sqrt3)

95. ## chemistry

state the separation technique for silver choride and sodium trioxonitrate

96. ## chemistry

Household bleach contains (NaClO)2 that decomposes in water, NaClO + h2o = Na+ + OH- + Cl2 + O2 If 15ml bleach containing 5.85℅ NaClO is allowed to decomposes completely, then hoe many mL of o2 at 22C and 755mmHg can be liberated. Density of bleach=

In an ideal gas, if only one molecule in a thousand has enough energy to react, how can all molecules in a reactor be consumed? My answer: when the one molecule reacts, it causes the other molecules to gain energy. Is this right? I'm still confused on the

ClO2 is sometimes used as a chlorinating agent for water treatment. Cl2 + 4 NaClO -> 4 NaCl + 2 ClO2 In an experiment, 1L Cl2 measured at 10C and 4.66atm is dissolved in .75L of 2.00M NaClO. If 25.9g of pure ClO2 is obtained, then what is the percent yeild