# Questions Asked onMarch 16, 2010

1. ## math

Which has the lower unit price? Soap. brand A:$1.34 for 3 bars. brand B:$1.44 for 4 bars. i think it is b.

2. ## math

Betty bought 105 ft of fencing to enclose a vegetable garden in her backyard. The garden is to be a rectangle, twice as long as it is wide, with a fence across the middle parallel to the width. What should be the dimension of the garden in feet?

3. ## math

Erin takes a total of 5 hours in her boat to travel a distance upriver and return downriver the same distance. If the time traveling upriver is twice the time traveling downriver, how many hours does each trip take? How do I put this into two equation and

4. ## chemistry

grams of sodium chloride dissolved in 100mL of water at 20 degrees celcius

5. ## Math

Find A �� B, given A = {people who are less than 20 years old} and B = {people who have a job}. A) {people who are less than 20 years old and people who have a job} B) {people who are less than 20 years old and have a job} C) {people who are

6. ## chemistry

At 2200 degrees celsius,kp=0.050 for the reaction: n2(g)+O2(g) ->2NO(g)

7. ## English

what does "explain why this character's ... is significant to the meaning of the work of literature" mean?

8. ## communications

What are personal conflict management styles

1)tan Q = -3/4 Find cosQ -3^2 + 4^2 = x^2 9+16 = sqrt 25 = 5 cos = ad/hy = -4/5 Am I correct? 2) Use the sum and difference identites sin[x + pi/4] + sin[x-pi/4] = -1 sinx cospi/4 + cosxsin pi/4 + sinx cos pi/4 - cosx sin pi/4 = -1 2 sin x cos pi/4 =-1 cos

10. ## Pre-Cal(Please check)

1)f(x) = -x + sqrt 4 - x^2 Find f(-2) -(-2) + sqrt 4 - (-2)^2 = 2 + sqrt 4 + 4 2 + sqrt 8 = 4.828 Is this correct?

11. ## statistics

in certain manufacturing processes parts must be machined tonwithin specified tolerences. the parts must have a mean length of of six inches plus or minus 0.26 inches .A SAMPLING PROCEDURE HAS BEEN ESTABLISHED to determine wether the ten parts are within

12. ## math

The largest bubble chamber in the world is 15 ft in diameter and contains 7259 gal of liquid hydrogen at a temperature of 2247°C. If the temperature is dropped by 11°C per hour for 2 consecutive hours, what is the new temperature

13. ## math

The greatest recorded temperature ranges in the world are around the “cold pole” in Siberia. Temperatures in Verkhoyansk have varied from 294°F to 98°F. What is the difference between the high and low temperatures in Verkhoyansk?

14. ## math

On each of four consecutive plays in a football game, a team lost 11 yd. If lost yardage is interpreted as a negative integer, write the information as a product of integers and determine the total number of yards lost.

15. ## math

If Jack Jones lost a total of 66 yd in 11 plays, how many yards, on the average, did he lose on each play?

16. ## Calculus 2

i need to find the amount of gallons of different water heights on a Horizontal tank with Elliptical Cross-Sections minor axis height is 4 minor axis length is 6 tank length is 16

17. ## Calculus 2

i need to find the amount of gallons of different water heights on a Horizontal tank with Elliptical Cross-Sections minor axis height is 4 minor axis length is 6 tank length is 16

18. ## English - oral

How to structure a 1 minute speech. I have to write it on an achievement i had. My one is a sports 1st place ribbon. PLEASE HELP!!!!

19. ## cjs 200

What are intermediate sanctions , their purpose in the criminal justice process, and their function as a sentencing alternative?

20. ## math

What are the number in the magic square of 4 by 4 if the magic number is 38?

21. ## window server 2003

. If you are performing a full backup each Friday to a single tape and a differential backup to a single tape on all other days of the week (including the weekend), what is the minimum number of tapes required to accommodate seven days worth of backups? a.

22. ## English

How do I write a paragraph naming three possible agendas and one example of each that you might find in the media?

23. ## social studies

Why did the us need a protective tariff

24. ## Thermodynamics

a worker cleans a railroad car with steam of 15000ft^3 car on inside, t=240F P=14.7psia of steam. the car is closed. the steam inside cools until P=12 psia, at which time salad oil is added to tank. find a. heat transfer from steam during cooling, b.

25. ## 8th grade science

A glass of water is placed on a very sensitive scale and several antacids tablets are dropped into the water. The weight of the glass and its contents is less after the tablets dissolve than before the tablets dissolved. Tell how matter is conserved ?

Which of the following is the most important step to help improve America's business ethics

27. ## quantitive literacy

Select an investment plan for a family with a child that is x years old and has y dollars to invest. How can I make this into two different equations to be graphed?

asked by timothy nies
28. ## college

Smokey the Bear celebrated his 65th birthday this year. Why has the message of the forest service that “only you can prevent forest fires” changed in recent years to allow more fires?

29. ## physics

A stubborn, 120 {\rm kg} mule sits down and refuses to move. To drag the mule to the barn, the exasperated farmer ties a rope around the mule and pulls with his maximum force of 800 {\rm N}. The coefficients of friction between the mule and the ground are

30. ## Physics

If you are wearing a watch, what energy changes are taking place in it right now?

31. ## english

I am doing a 1000-1500 word contrast/comparision essay. This is what I have so far. Could you tell me if this is good enough. This is part of the body. My neighbours, Sharon and Shelley both have two children each. Sharon has two beautiful girls with long,

32. ## college

Explain the relationship between program planning and grant proposals. When describing each component, address their similarities and differences as well as how they relate to each other.

33. ## Finance

When changes occur in the assets of a business, these changes are reflected in the asset values reported on the balance sheet. Quite often, purchases of equipment, machinery, buildings, and property are necessary. How can purchases add value to the

34. ## math 30 conics

Hi i was given the equation (y-2)^2 - x^2/4 =1. I need to find the center, vertices and asymptotes of this hyperbola. I found the center (0,2) and the vertices were tricky but I think they are (0,1) (0,3) but I'm having trouble finding the asymptotes. Can

35. ## 3rd grade math

Write an expression that equals 468 that includes a combination that adds up to 100

36. ## math

if logx y=2, whic of the following is true?

37. ## trigonometry ?

A cottage under construction is to be 15.6m wide. The two sides of the roof are to be supported by equal rafters that meet at a 52 degree angle. Determine the length of the rafters to the nearest cm using a) the cosine law b) the sine law I am not

38. ## Calculus

PLEASE HELP Find the equation of the line through the point (3,4) which cuts from the first quadrant a triangle of minimum area.

39. ## Healthcare Administration

Suppose you’re the head of CMS. CMS is now offering reimbursement for wheel chairs suppliers. What would happen if you decide to decrease the reimbursement for wheel chair suppliers?

40. ## Chemistry

How would each of the folowing affect the accuracy of the calculated neutralizing power of the antacid (too high, too low, no effect)? Explain why. a) Titration flask was wet with distilled water b) The burette was initally not rinsed with 0.10M NaOH and

41. ## Physics

An ice cube is placed in a microwave oven. Suppose the oven delivers 105 W of power to the ice cube and that it takes 32,200 J to melt it. How long does it take for the ice cube to melt?

42. ## Healthcare

Give three examples of asymmetric information in which the health consumer has information that is unavailable to the health provider.

43. ## physics

A silver wire has resistance of 2.1ohms at 27.8 degree celsius and resistance of 2.8ohms at 98 degree celsius. Determine the temperature coefficient of resistance of silver wire and its resistance at zero deg.

44. ## physics

The electrical motor runs on a D.C source of emf E and internal resistance r. Show that power output of the motor is max where current drawn by the motor is E/2r.

45. ## social studies

why secondry social organisation considered to be complex social organisation.

46. ## physics

A 24V battery of internal resistance of 10ohms is connected to a variable resistor. At what value of current drawn from battery the rate of heat produced by the resistor is maximum? Hence find its value.

47. ## physics

Think of the mass hanging from the spring in Q2. If one pulls the mass down by 'y' amount and lets go, how far up past the equilibrium point does the mass go before coming to a stop?

48. ## us history

how were the truman doctrine and the marshall plan relevatn to the american foreign policy goal of containment?

49. ## math 30

Help please i need to write 4x^2 -y^2 -8x -4y +16 =0 in standard form.4x^2 -8x - y^2 -4y=-16 so 4(x^2 -2x +1)-(y^2-4y+4= -16 -4 +4 so 4(x-1)^2/-16 -(y-2)^2/-16 =1 so (x-1)^2/-4 -(y-2)^2/-16 so if I multiply everything by -1 it will get rid of my (-) on the

50. ## Healthcare

Give three examples in which the health provider has information that is unavailable to the health consumer.

51. ## Science

What is something that I can compare an animal or plant cell to? I need to draw something that works similarly to a cell. For example, an amusement park or something.

52. ## math

solve tang3x+1=sec3x

53. ## Chemistry

Which test for iron(II) ions is conclusive?

54. ## algebra

1. You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a$38,250 small business loan. These loans must be repaid in full within

55. ## math

x+3=5 x+4=9

i need to do an pursuasive peice of writing on fairtrade help

57. ## Health

In the market for health insurance, what kind of asymmetric information causes adverse selection? Explain.

58. ## Stuck on 3d - Math

Suppose you’re thinking about buying a used car, but you’ve become worried about the selection problems. In this market, the seller of each car knows the true value, but the buyer can’t determine the value until after purchase. Assume that there are

59. ## teasers

i have streets but nopavemet i have cities but no bulidings i have rivers yet no water what am i

60. ## Math 12

I need to write this parabola question 2(x+3)^2 -1 in general form. Not sure how to do it. Do I sqaure whats in brackets first? x^2 + 6x +9 then *by 2 so 2x +12x +18 - 1 = 0 Would this be the answer or am I doing it wrong? Any help appreciated.

61. ## math

What is the value of the y-coordinate of the solution to the system of equations x + 2y = 9 and x - y = 3?

62. ## 12th grade

Find the equation of the line through the point (3,4) which cuts from the first quadrant a triangle of minimum area.

63. ## Biology Research Paper

'We are currently in an energy crisis. After food, fossil fuels are humanity's most important source of energy. These resources take millions of years to make. We are currently using the fuels that were made more than 300 million years ago, before the time

64. ## calculus HELP URGENT

Find the equation of the line through the point (3,4) which cuts from the first quadrant a triangle of minimum area.

65. ## chemistry

before beginning a titration, the burnet was not clean. after completing the titration,the student noticed that droplets of the titrant were clinging to the inside surface of the barrel.wolud the molarity be too high or too low?

66. ## biology

Suggest how the active transport of glucose out of the cell and into the bloodstream helps with the absorption of glucose from the small intestine. (2 marks)

67. ## science

I am doing a project on the Silurian time period and we need to know some organisms that were created during the time and some that went extinct. I found a bunch that were created but i didn't find any that went extinct!! Help!!

68. ## geometry

What is the volume of a cone with a radius of 3 and a height of 19?

69. ## SCIENCE

Didn't mean to ask but i was really curious and didn't get an answer from researching.Why is physics necessary in becoming a dentist?

70. ## statistics

Basic Concepts of Probability and Counting 1. License plates are made using 3 letters followed by 2 digits. How many different plates can be made if repetition of letters and digits is allowed? (26^3)(10^2) = (17576)(100) = 1,757,600

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71. ## Insurance

Describe the costs and benefits to society from purchasing insurance.

72. ## Chemistry

What is the colour of: 1. Cu+ 2. Cu2+ 3. Cu3+?

73. ## spelling

I believe our families are both related to George Washington. What a surprising occurrence! I believe our familys are both related George Washington. What a surprising ocurrence! Is the spelling right on either sentence.

74. ## statistics

Question: In 2001 the stock market took some big swings up and down. One thousand investors were asked how often they tracked their investments. The table below shows their responses. What is the probability that an investor tracks the portfolio monthly?

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75. ## apche,m

what is the density of vinegar? thanks

76. ## Math

Can someone please explain (cos(x)+sin(x))/(cos(x)-sin(x)=sec(2x)+tan(2x). I have no luck with this. Thanks

77. ## apchem

what is the density of vinegar? thanks

78. ## math

Alex bought lemons that were priced at 2 lemons for 18¢. What was the total cost of 5 lemons?

79. ## Algebra

Simplify the complex fraction m^-1+z^-1 _________ m^-1- z^-1

80. ## math

csc(2x)=0.5sec(x)csc(x)

81. ## marketing 401

Organizational Values 1. Mention an organization of your choice that displays excellent values, that orient it for growth. What do you see these values as being? How do they lead to a growth orientation? Think of any organization you want to for this

82. ## math

using the formula h(x) = 1.95 x + 72.85. Find the height of a female whose femur is 35 cm long x=length and H=height.

83. ## english

I want to stay that a women is a handsome women but I cannot think of another word for handsome. I do not want to put pretty etc. as this is in not what I am trying to say. Hope you can help.

84. ## College Physics

During a rescue operation, a 5600-kg helicopter hovers above a fixed point. The helicopter blades send air downward with a speed of 69 m/s. What mass of air must pass through the blades every second to produce enough thrust for the helicopter to hover?

85. ## College Physics

Two 72.0-kg hockey players skating at 7.00 m/s collide and stick together. If the angle between their initial directions was 130 degrees , what is their speed after the collision?

86. ## College Physics

You are holding a shopping basket at the grocery store with two 0.69-kg cartons of cereal at the left end of the basket. The basket is 0.90 m long. Where should you place a 1.8-kg half gallon of milk, relative to the left end of the basket, so that the

87. ## personal finance

Nathaniel has three different insurance policies.He has been injured in an accident and has incurred $30,000 in medical bills.There is a clause in all of his insurance contracts that makes sure he receives no more than$30,000 in payments from his

88. ## statistics

I don't know where to start with this one. What is the formula and how do I go about answering this? Question: If one of the 255 subjects is randomly chosen, what is the probability that the person prefers orange juice, given they are over 40? Round your

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89. ## Chemistry

Determine the moles of ammonia in the following cobalt ammine complex: A sample of .1500 g of the cobalt ammine complex is places in a flask and 25.00mL of .200M HCL is added. a few drops of bromocresol green is added and the titration with .100M to NaOH

90. ## world history

Which has been a major change resulting from the industrialization of Western Europe? 1.increased social mobility 2.increased political power for the nobility 3.shrinking of the influence of the middle class 4.shift in wealth from northern to southern

91. ## Chemistry

Cu(NH3)2^+ is a colourless compound. Will there be any absorbance at 600nm?

92. ## algebra

what is 3y(7y - 6) + 16y simplified

93. ## chemistry

What are the probably products of... a) an aqueous solution of two ionic compounds b) a single compound c) two elements d) oxygen and a compound of carbon and hydrogen ?

94. ## geometry

Two sides of a triangle measure 2x – 4 and 7x – 2 units, respectively. Which of these is a possible length for the third side of the triangle?

95. ## statistics

Question: The table below shows the drinking habits of adult men and women. Men Women Total Non-Drinker 387 421 808 Occasional Drinker 45 46 91 Regular Drinker 90 69 159 Heavy Drinker 37 34 71 Total 559 570 1,129 If one of the 1,129 people is randomly

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96. ## MATH

WHY DID THE TEACHER TEACH ADOLESSON

97. ## statistics

Question: The table below shows the drinking habits of adult men and women. Men Women Total Non-Drinker 387 421 808 Occasional Drinker 45 46 91 Regular Drinker 90 69 159 Heavy Drinker 37 34 71 Total 559 570 1129 If one of the 1,129 people is randomly

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98. ## algebra

I am greater than 15 and less than 40 If you double me I become a number that ends in 0 and of me is equal to 5 [Click to preview algebra format]

99. ## math

whare are the scale and interval in a frequency table? I don't understand what they mean. On my table there's a weight, how many times something weighs that and -the tally 00 and the frrequency

100. ## Math

Write an equation to describe the variation. Use k for the constant of proportionality. x varies directly as the square of y and inversely as z

101. ## math

double my tens digit to get my ones digit. double me and i am less than 50

102. ## computers

Develop an algorithm or write a pseudo-code that accepts as input the names of an unspecified number of students who each have rented books form the school's book program and are now returning them.

103. ## Chemistry

1x10-2 mol of MgSO4 (Ksp = 9) is added to 1 L of water. Will 1x10-5 mol of CaSO4 (Ksp = 10-6) completely dissolve in the solution? I think the answer is yes...because the Q will be less than Ksp of 10^-6?? Which of the following salts would you expect to

104. ## biology

in humans, the genotype XX results in a ____ any help, please?

105. ## us history

Progressivism was the first national reform movement that set out to resolve social problems without the aim of overturning the government. What tactics did progressives employ to influence the government at all levels? Why were progressives so successful

106. ## Algebra

While traveling in a car, the centrifugal force a passenger experiences as the car drives in a circle varies jointly as the mass of the passenger and the square of the speed of the car. If the a passenger experiences a force of 100.8 newtons when the car

107. ## Probability/Math

Find the probability that a randomly thrown dart will land in the shaded area of the dartboard. A square that is 6ft width by 6ft length 4ft width by 9ft length.

108. ## algebra

Plane X flies 2,000 kilometers in 5 hours. Plane Y flies half as far in twice the time. What is the average speed, in kilometers per hour, of plane Y?

109. ## math

put this in lowest to greatest 95,9.5,.95,.9,9 thank you

110. ## math

put this in lowest to greatest 1.6,16,16.1,.16,161 thank you

111. ## chemistry

What is the boiling point of the water in your radiator if 2.00kg of antifreeze (ethylene glycol, C2H6O2) is added to 9.00x10^3 grams of water?

200. ## Can anyone help me with a physics question?

A water tank has a volume of 100m^3. A square pipe leading to a pump is designed to completely replace all water in 20 minutes. Caluclate the length of a side of the square if the water is travelling at 5.0m/s through the square pipe.

201. ## chemistry

How many moles of calcium carbonate can be disloved in .0250 moles of hydrocloric acis

202. ## chemistry

a 500.0 mL gas sample at STP is compressed to a volume of 300.0 ml and the temperature is increased to 35.0 C. What is the new pressure of the gas in pascals?

203. ## maths

how to find the terms through x^5 in the maclaurin series for? Hint: it may be easiest to use knownMaclaurin series and then perform multiplications, divisions, and so on. For example, tan x = (sin x)/(cos x). (1)f(x) = tan x, (2) f(x) = e^2 sin x (3) 1 +

204. ## Physics

In a fit of pique, the Canadians fire a cannonball due south from vancouver (lat 49.2 degrees N) at a randomly picked city (39.4 degrees N). Assuming the cannonball takes 48 minutes to get there, by how far and in what direction will the cannonball miss?

205. ## math

Nine dimes are what fraction if a dillor.... write the value of nine dimes using a dollor sign and a decimal point

206. ## BIS 155 Data Analysis w/Spreadsheet

How would I begin to compile data into useable data in using Excel?

207. ## English

1. She is good at dancing. 2. She is good at dance. (Which one is correct? Are both correct?) 3. I am a student at Class 1-1. 4. I am a student in Class1-1. 5. I am in Class 1-1. 6. I am a first year student in Class 1-1. 7. I am a first grader of Class

208. ## Biology - Pregnancy

"If the ovaries were removed between the start of pregnancy and the second month then.....because....." "If the ovaries were removed after the second month....." I'm confused because I thought that once pregnancy begins, no more ovulation occurs until

209. ## math

one kilometer is how many meters