# Questions Asked onAugust 28, 2010

1. ## physics (mechanics)

Practice problem: A rocket sled for testing equipment under large accelerations starts at rest and accelerates according to the expression: a= (2.8 m/s^3)t + (3.9 m/s^2) How far does the rocket move in the time interval t=0 to t=0.81 s? This is just a

2. ## math

If a rock is thrown upward on the planet Mercury with a velocity of 11 m/s, its height in meters t seconds later is given by y = 11t - 1.86t sqaure a : Find the average velocity over the given time intervals: [1, 2] , [1, 1.5] , [1, 1.1] , [1, 1.01] [1,

1) wary 2) inclination 3) dilemma 4) Sabotage 5) Retort 6) zeal 7) 8) demoralize 9) Irrate 10) Subsequent words Curt, Demoralize, dilemma,inclination, irate, retort, sabotage, subsequent, wary,zeal if my carpets need cleaning or i want a new cellphone

write 31 hundred thousands in standard form and 23 ten thosands in standard form

5. ## managerial economics

Which of the following are characteristics of a typical isoquant? a. All input combinations on the isoquant will produce the same level of output. b. The marginal rate of technical substitution decreases as more labor is substituted forless capital. c. a

6. ## Math

What geometric properties make “SOS” a good choice for the international distress symbol?

7. ## english vocab

__________ 1-2 Already angry,the customer became more ___ when he __________ received only this __ response: No return. _______ 3-4 when I answer my phone and hear someone demand, "who is this?" _______ my _ is _ to "I'm the person whose phone was ringing.

8. ## algebra1

4 3/4 + (-3 3/4) my answer -8 1/4. is it correct?

9. ## math

6. 2 m 300 mm = _____cm 7. 0.21 km = ____m 8. 600 cm3 = __L 9. .012L = __________mL 10. 2,000mg =_____kg

10. ## calculus

A street light is at the top of a 16 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 4 ft/sec along a straight path. How fast is the tip of her shadow moving when she is 40 ft from the base of the pole?

11. ## math

The measure of the supplement of an angle is 20 degrees more than three times the measure of the original angle. Find the measures of the angles.

12. ## Planning

Hey, I have another question from my assignment. 2.How do the course choices (both elective and required) that I make today lead to the fulfilment of this dream? My dream is to become a dental hygienist or a family physician one day, and along with that to

13. ## physics

This is a sample question: A man jogs at a speed of 1.2 m/s. His dog waits 2 s and then takes off running at a speed of 4.1 m/s to catch the man. How far will they each have traveled when the dog catches up with the man? The answer is 3.3931 m. I just need

14. ## calculus

limit of sin x / 2x squared - x as x approaches 0

15. ## Math - I need this by midnight std time

A ramp must not rise more than 1 foot over a horizontal distance of 12 feet. a) What is the maximum slope of the ramp into the house b) If the horizontal distance into the house is 48 feet, what is the maximum allowable rise of the ramp?

16. ## Algebra

the set of real numbers less than or equal to -4

17. ## math

The horizontal asymptotes of the curve y=12x/(x4+1)^(1/4)

18. ## CHEMISTRY> HELP QUICK! pls

1. The rate of a chemical reaction may be defined as: a) The speed at which a molecule travels from point A to point B. b) The change in concentration of reactants or products per unit time. c) The change in concentration of reactant divided by change in

19. ## Math

Im learning factorization and I have to solve for this: 5g to the squared power - 13g + 6 = 0 how should i do it?

20. ## math

The base of a rectangle is 2cm greater than its height. Find the base and the height of the parallelogram if the area of the parallelogram is 120 cm2. Can this be shown as a quadratic and factored?

21. ## calculus

The circumference of a sphere was measured to be 78.000 cm with a possible error of 0.50000 cm. Use linear approximation to estimate the maximum error in the calculated surface area. Estimate the relative error in the calculated surface area.

22. ## english

words Curt, Demoralize, dilemma,inclination, irate, retort, sabotage, subsequent, wary,zeal if my carpets need cleaning or i want a new cellphone plan. I will do some comparison shopping first. I am not likely to buy anything suddenly just because a

23. ## geometry

how do you unfoil 3xsquared+5x-2=0?

24. ## US History Help!

For the quote "remember the Maine" who said this? Was it the Americans? I can't find what the significance of the quote was in illumating a theme in history?

25. ## G.A

What is the answer to the brainteaser NOMMAG

26. ## Math - number of solution

Determine the number of solutions for the system without solving. 3x+12y=-27 4x+2y=34

27. ## Math

the volume of fort peck dam is 96,000 X 1,000 m3. Suppose the state of Montana decides to increase the volume of the dam. After the improvements, fort peck will hold 10 times as many cubic meters will fort peck hold after the improvemts?

28. ## mgt 330

General environment – how will the forces be changing over the next three years and how will these forces impact the industry (for example, demographics – aging population)?

29. ## Math (Pre Cal)

Hi, I am studying for a precalculus quiz and I do not understand this hw problem: "The tangent line to a circle may be defined as the point that intersects a circle in a single point... If the equation of the circle is x^2+y^2=r^2 and the equation of the

30. ## English

"Athena" is an eponym and "athenian" a toponym, but is there also a "-nym" for "Athens"?

31. ## physic

A spring (80 {\rm N/m}) has an equilibrium length of 1.00 {\rm m}. The spring is compressed to a length of 0.50 {\rm m} and a mass of 2.1 {\rm kg} is placed at its free end on a frictionless slope which makes an angle of 41 ^\circ with respect to the

32. ## physic

A spring (80 {\rm N/m}) has an equilibrium length of 1.00 {\rm m}. The spring is compressed to a length of 0.50 {\rm m} and a mass of 2.1 {\rm kg} is placed at its free end on a frictionless slope which makes an angle of 41 ^\circ with respect to the

33. ## history

For the quote "Remember the Maine" I went on a lot of websites and most of the websites said that "remember the Maine" was said by Americans. I can't seem to find what the meaning of the quote was. Did people say it when they wanted to go to war with

37. ## history

I kind of don't understand what this means: transformed the social fabric of the United States and countries around the world

38. ## TV

Remember the United States DTV transition last year? There is a possibility that all standard-definition televisions will not be sold and will be replaced by HDTV televisions, right?

39. ## Sociology of Developing Countries

What are some key ways to ensure the armed forces of a Third World Country does not attempt a coup to take over the political system?

40. ## history.

another question for "government is not the solution to our problem, Government is the problem" would the significance of this quote in illuminating a theme in US history be: that people shouldn't rely on the government? Sorry, I might have two more

41. ## algebra 1

What is the area of a square with the dimension of 1+square root of 2? I'm thinking 3+2*square root of 2? *=times

42. ## algebra 1

Simplify:2 square root of 4 + 2 square root of 8? 4+4 square root of 2?

43. ## statistics

A simple random sample of 25 has been collected from a normally distributed population for which it is known that 17.0. The saMPLE MEAN HAS BEEN CALCULATED AS 342.0 AND THE sample standard deviation s=14.9. Construct and interpret the 95% and 99%

if 9

45. ## Law and ethics in allied health

Licensing laws allow states to

46. ## coding

During the month of july, the following medicare patients were discharged from hospital B, Using appendix B,calculate the case mix for the following 2 PT-MS-DRG 100 2 PT-MS-DRG 460 1 PT-MS-DRG 066 3 PT-MS-DRG 740

47. ## Physics

for imcomplete cancellation to occur, opposite pulses must have?

48. ## Chemistry

An NMR spectrum of fumaric acid in acetone was run. The following results were obtained: 1 sharp peak with 5 splittings at around 2 ppm (belonging to acetone) 1 broad peak at 3.789 ppm (integration 0.63) 1 sharp peak at 6.779 ppm (integration 1.00)

49. ## Algebra II

Describe the end behavior of the graph of the polynomial function by completing these statements: f(x)→? as x→-∞ and f(x)→? as x→+∞. 1. f(x)=-(x^2)+1 2. f(x)==10x^3

x^4-1/x^3=0

51. ## English Essay Title

What would a good essay title be if I'm writing an essay about a character in a book who is torn between two conflicting forces?

52. ## History

How did human history in North America during the period described in the Prologue (13th and 14th centuries) differ from the events of Asia, Eurasia, and Europe? Be specific How were these differences important to the international state of affairs in 1450

53. ## college

Discuss the role of advertising in product differentiation and the intent of advertising in altering the firm’s demand curve

54. ## finance

Th e First National Bank of Great Falls is considering a leveraged lease agreement involving some mining equipment with the Big Sky Mining Corporation. Th e bank (40 percent tax bracket) will be the lessor; the mining company, the lessee (0 percent tax

55. ## Math- Intesection of a plane and line

Does the line [x,y,z]=[5,-9,3]+k[1,-12,2] intersect the plane [x,y,z]=[4,-15,8]+s[1,-3,1]+t[2,3,1]? If so, how many solutions are there? ( I tried finding the normal vector, there after finding the "d" value to write in scalar equation, and once it is in

56. ## Math - distance b etween a line and plane

Find the distance between the parallel line and the plane. line: vector r = [2,0,1]+t[1,4,1] plane: 2x-y+2z=4

57. ## Math - distances between two planes

Find the distances between planes. plane 1: 2x-y-z-1=0 plane 2: 2x-y-z-4=0

problem using the amount of aluminum cans that needs to collected to reach enough money to purchase a shoes. money will not be a factor in this problem but how much cans need to be collected to turn into money will be. heather required to come with a 25%

59. ## mat115

A pack of 250 key blanks costs $23.50. What is the unit price? I know that this is .094 but I am having trouble with the remaining 2 parts. If each cut key costs a customer$1.75, and it takes 2 minutes for Darren to cut a key, how much does Darren make

60. ## Math

Solve the following equation. 4.7 = 1.13x^2 Do i square root the 1.13x^2 first? or divide both sides by 1.13?

61. ## AP Biology

What are the four basic levels of ecological study, and what is the focus of inquiry at each of these levels? I don't know what it's asking to start with and can't find anything relevant online, in my textbook or in my study guide! Since it says levels, I

62. ## Chemistry

I did a lab in chemistry about weighing table salt and sand and mixing it with water and pouring it through a funnel. One of my lab quetions was, What are some possible sources of error in this activity? First of all, I don't know what this question means.

63. ## U.S. statistics

What is the least populated state in the United States today? My best guesses would be Rhode Island, Alaska, or Hawaii.

64. ## let's try this again - precal

Write a formula for converting hours, starting with midnight as zero, to a decimal number of degrees. Assume that a full day equals 360º, 60 minutes equals one hour, and 60 seconds equals one minute. Use x, y, and z to represent hours, minutes, and

65. ## bio

What are the four basic levels of ecological study, and what is the focus of inquiry at each of these levels? I don't know what it's asking to start with and can't find anything relevant online, in my textbook or in my study guide! Since it says levels, I

66. ## math

If a rock is thrown upward on the planet Mercury with a velocity of 11 m/s, its height in meters t seconds later is given by y = 11t - 1.86t sqaure a : Find the average velocity over the given time intervals: [1, 2] , [1, 1.5] , [1, 1.1] , [1, 1.01] [1,

67. ## The Question that was not answered. (twice)

What are the four basic levels of ecological study, and what is the focus of inquiry at each of these levels? I don't know what it's asking to start with and can't find anything relevant online, in my textbook or in my study guide! Since it says levels, I

68. ## PreCalc

Find the amount of time required to double a dollar investment at 7.72%, if the interest is compounded continuously. 4.49 years 8.98 years 17.96 years I'm not understanding this, I got 3.9 years when I tried to solve this.

69. ## criminal justice

Make up a federal case against a fictitious criminal offender. Use your knowledge to develop the circumstances and details that would be involved. In your assignment, provide a description of the criminal offender, including the type of crime committed and

70. ## English

After having studied all the sites suggested by Sra and Writeacher, I have found, that "eponym", as well as "toponym", has two definitions. EPONYM: 1) a name from which another name or word is derived. 2)a word derived from a person. This would make both,

71. ## STATISTICS

Can a ANOVA be compared to a blood test?

72. ## math

please check my answer. each test is worth 100 points. the following test have been taken and earned 91, 90, 93. for a total of 360 points to earn an A, what grade should be made on the final test to earn an A

73. ## algebra 1 again

Simplify: 2 square root of 4 + square root of 4. 3 square root of 4?

74. ## algebra 1

This has a fraction in it. Simplify: numerator is 5 square root of 4 times square root of 8. Denominator is square root of 8 times square root of 2. 5 square root of 2?

75. ## Calculus disaster

Uranium ore has two main isotopes, mostly U-238 with just a trace amount of U-235. In a sample of Uranium ore, 99.85% of the atoms are U-238 atoms and 0.15% are U-235 atoms. Before the Uranium can be used in a nuclear power plant, the proportion of U-235

76. ## algebra1

3-(-61/4) ans. -3/4?

77. ## sci/241

o What steps may people take to ensure they do not become dehydrated?

78. ## algebra1

the dow jones industrial average (DJIA) reports the average prices of stocks for 30 companies. use the table to determine the DJIA for two dAys. DJIA 1987 ___________________ FRIDAY, OCT. 16 | -108.35 mONDAY, oct 19 | -507.99 answer is 399.64?

79. ## precal

Solve for x 10^x/10 = (0.01)^1/3 A.) x = -2 B.) x = 1/3 C.) x = 2/3 None of those seem to fit when plugged in.

x^4-1/x^3=0

81. ## TESOL

Give at least 2 teaching ideas (suitable for the Activate stage of a lesson) for each of the tenses below and give examples of sentences that you would expect your students to produce:

82. ## US History

the significance in illuminating a theme of "Free trade and sailors' rights" I've looked at websites but I can't think of the significance

83. ## math

what is the volume in cubic inches of a cylinder that has a height of 10 inches abs a radius of 5 inches

84. ## latin

case indicator: italia est paeninsul

85. ## precalc

Using the formula T= 15(x+y/60+z/3600), give the equivalent degree for 3:30 am

86. ## math

A sprinkler has a range of 11m and rotates with a circular motion. If the sprinkler covers the entire circular area, how many square meters does it cover?

87. ## math

Suppose that an oil storage tank is 10 m wide and 10 m high. How many kiloliters of oil can it hold?

Divide 5x^4 - 3x^2 + 8x + 6 by x^2 + 8 My answer was 5x^2 - 43 with a remainder of 8x - 338. Is this correct?

89. ## math

18.Ms. Jones has a garden plot that measures 40ftX 20ft If she increases the garden by 4 ft on each side, by what percent has she increased the plot? 19. A cylindrical can of cleaner holds 1 L of liquid. What is its height if the diameter of the base is 10

90. ## CHEMISTRY> HELP QUICK! pls

1. What is the amount of oxalate in 2 mL of 0.035M solution? a) 7 ¡Á 10¨C2 mole b) 1.75 ¡Á 10¨C2 mole c) 7 ¡Á 10¨C5 mole d) 1.75 ¡Á 10¨C5 mole 2. Sodium oxalate may be prepared by titrating oxalic acid (C2H2O4) with sodium hydroxide, according

91. ## biochemistry

The R-group of histidine is a weak base with a pKb of 6.0. Calculate the percent ionization at pH 7.4. What is the net charge of the following amino acids (single letter codes used) at pH7.4? Glycine Serine Glutamic Acid Lysine Please help. I'm not sure

92. ## English

I need to find the present progressive teses of the words lie, lay,awake

93. ## Algebra

the perimeter of a rectangle is 112 inches. The length exceeds the width by 50 inches and width.

94. ## Home economics

You're likely to encounter formal service in all the following setting except which one? A. A gourmet restarant B. A wedding C. A church outing D. A dinner party

95. ## Psychology

A school counselor tests the level of depression in fourth graders in a particular class of 20 students. The counselor wants to know whether the kind of students in this class differs from that of fourth graders in general at her school. On the test, a

96. ## math

please check my answer. each test is worth 100 points. the following test have been taken and earned 91, 90, 93. for a total of 360 points to earn an A, what grade should be made on the final test to earn an A my answer is 91.5

97. ## Algebra 1

I am trying to find the solution for y-9>-17 and I don't know where to start. i have been out of school for nearly 30 years and none of the info makes any sense. please help..thanks

98. ## english

write five sentences about the role of education in successful financial planning, in which you correctly use a different verb tense in each sentence.

99. ## math

find the range of the function. g(x) = 5 + (square root of) (4 - x) please show all steps.

100. ## calculus

se differential, i.e., linear approximation, to approximate (8.4)^(1/3) as follows: Let f(x)=(x )^(1/3). The linear approximation to f(x) at x=8 can be written in the form y=mx+b where m is: and where b is: Using this, we find our approximation for

101. ## accounting

Unit 1 Individual Project Deliverable Length: 2 to 3 pages Details: You have been asked to speak at a career fair for high school students in your home town. Specifically, you are making a presentation about your role as an accountant. •Describe for the

102. ## psychology

How has early memory research concerning the growth of cognitive perspectives in psychology changed over the course of the 20th century?

103. ## Environmental Science

What are the sources of sulfuric acid (H2SO4)?

104. ## chem( buffers)

Does water have a high buffering capacity? Why is it important to know it buffering capacity of water?

105. ## precal

Write a formula for converting hours, starting with midnight as zero, to a decimal number of degrees. Assume that a full day equals 360º, 60 minutes equals one hour, and 60 seconds equals one minute. Use x, y, and z to represent hours, minutes, and

106. ## geometry

solve for x: 3xsquared+5x=2

107. ## Environmental Science

what are the health and environmental effects of sulfuric acid (H2SO4)?

3x-2-x=7-x

109. ## mgt 330

List at least three reasons why workers might be more satisfied with their jobs than in the past. List at least one reason why you think workers may be more motivated by job security rather than salary and benefits in difficult economic times

110. ## Math - Solving Linear systems

Solve the linear system in two space [x,y] = [-12,-7] + s[8,-5] [x,y] = [2,-1] + t[3,-2]

111. ## Math - interection of two lines

Determine if L1 [x,y,z]=[4,-3,2]+t[1,8,-3] and L2 [x,y,z]=[2,-19,8]+s[4,-5,-9] intersect

112. ## english

summary from sonnets

113. ## English

On summer vacation, I went to Spo1 Park. I went there by car. In the swimming pool of Spo1 Park, I enjoyed swimming and learned how to swim on my back (how to swim the backstroke, how to do the backstroke). It was not easy to swim on the back. I always

114. ## English

1. She has a watch made in Switzerland. 2. She has a watch which is made in Switzerland. 3. She has a watch which was made in Switzerland. 4. She has a watch which has been made in Switzerland. 5. She has a watch having made in Switzerland. (What does #1

115. ## geometry

how do you solve for x and y? 3x-2(y+2)=-6 4(x+1)-y=7

116. ## accounting

How can we determine if the adjusted entries are correct?

117. ## Math

need help in identifying the y intercept for 2y+5=-2. my ordered pairs are (0,4) and (6,-2). I am visually impaired when it come to trying to see the tics. Thanks Bill

Find the points where the tangent line is horizontal or vertical. Find the area under one period of the curve. x= r(deta - cos deta) Y= r(1- sin deta) deta= pie/3

119. ## mgt 450

could some one help me provide an example of an industry or company that has changed its strategy over time as environmental factors such as technology, competition, and consumer preferences have changed. Explain the changes in environment and in the

120. ## mgt330

List at least one reason why you think workers may be more motivated by job security rather than salary and benefits in difficult economic times.

121. ## Basic Math 115

The United States emitted 19.5 millions of nitrogen oxides (no) into the atmosphere in 1987. One metric ton equals 1,000 kg. How many kilograms of No were emitted to the atmoshere in the United Stated during 1987?

122. ## History

Hello everybody,Please I need help with answers to this questions. I will appreciate all assistance toward solving this problem? Question 1 Which words best describe the common features of artistic and intellectual work in the inter-war period?

123. ## History Check

Was Thomas Jefferson the person who said this: "We the people of the United States, in order to form a more perfect Union . . . " ? Just making sure

124. ## conformity paper

Just to say first im not wanting anyone to write my paper for me. I have to write an english paper about non conformity and conformity. I already have a load of information but Im looking for a little more. directions:observe conformity as it exists in

125. ## Math

Which of the following properties do not change under a size transformation? Explain how you can be sure of your answers. a. Distance between points b. Angle measure c. Parallelism; that is, if two lines are parallel to each other, then their images are