Tiff

Most popular questions and responses by Tiff
  1. chemistry

    The boiling point of another member of this homologous series was found to be 309 K \rm K. What is the likely molecular formula for this compound?

    asked on April 28, 2014
  2. math

    the system of linear equations below has a unique solution for all but one value of a: 6 x−12 y=−6 58 x+a y=−58 What is this exceptional value for a?

    asked on October 26, 2010
  3. Math

    A football team lost nine yards during a play. The team had a combined gain or loss of 0 yards after the next play. What integer represents the yards gained or lost on the next play?

    asked on August 22, 2018
  4. Calculus

    Which of the following integrals cannot be evaluated using a simple substitution? the integral of 1 divided by the quantity x squared plus 1, dx the integral of 1 divided by the quantity x squared plus 1, dx the integral of x divided by the quantity x

    asked on March 15, 2016
  5. math

    Assume that the business makes a profit with probability 0.3 in the first year. For each year thereafter, the business makes a profit with probability 0.7 if it made a profit in the previous year, and with probability 0.2 if it did not make a profit in the

    asked on October 4, 2010
  6. Health

    1. What have tobacco companies done in recent years to improve the health of American Youth? (1 point) A. Created more kid-friendly cartoon advertisements for tobacco B. Helped pay for anti-smoking education C. Limited tobacco advertisement to websites

    asked on March 9, 2018
  7. Calculus

    If f(x) and g(x) are continuous on [a, b], which one of the following statements is true? ~the integral from a to b of the difference of f of x and g of x, dx equals the integral from a to b of f of x, dx minus the integral from a to b of g of x dx ~the

    asked on March 15, 2016
  8. physics

    The red box has a mass of 20.1 kg and the blue box has a mass of 14.5 kg and the force is 290 N. To the nearest tenth of a m/s2 what is the acceleration of the combination? The diagram looks like this: F --> [Red Box][Blue Box] On a straight plane, not on

    asked on November 2, 2014
  9. Calculus

    A rectangle is constructed with its base on the diameter of a semicircle with radius 5 cm and with two vertices on the semicircle. What are the dimensions of the rectangle with maximum area?

    asked on November 7, 2010
  10. statistics

    Assume that your sample space is S = {O1, O2, O3, O4, O5, O6 } with associated weights (probabilities) w1 = 0.15, w2 = 0.25, w3 = 0.10, w4 = 0.20, w5 = 0.15, and w6 = 0.15. Determine the probability of the following events: {O3 }∩{O5 }:

    asked on September 29, 2010
  11. Microeconomics

    Indicate how you think each of the following would shift demand in the indicated market: a.Incomes of buyers in the market for Adirondack vacations increase. b.Buyers in the market for pizza read a study linking hamburgers consumptions to heart disease.

    asked on October 21, 2007
  12. math

    The amount of sales tax charged is proportional to the value of the item bought. If the tax on a $110.00 item is $8.50, what is the tax on a $150.00 item? It will be (150/110) x $8.50 150/110*8.50=11.59 $11.59 is your answer

    asked on June 22, 2007
  13. calculating & reporting healthcare statistics

    an employee currently earning $10.85 per hour has been awarded a 3.5 percent merit raise. What will the employee's hourly salary be with this increase?

    asked on October 7, 2012
  14. statistics

    Assume that each bag contains 6 balls. Bag a contains 3 red and 3 white, while bag b contains 2 red, 2 white, and 2 blue. You randomly select one ball from bag a, note the color, and place the ball in bag b. You then select a ball from bag b at random and

    asked on October 4, 2010
  15. chemistry

    0.4276-g sample of a potassium hydroxide – lithium hydroxide mixture requires 31.20 mL of 0.3315 M HCl for its titration to the equivalence point. What is the mass percent lithium hydroxide in this mixture? 1.) 0.03120 L x 0.3315= 0.010343 moles HCl I'm

    asked on April 15, 2016
  16. history

    9. What three events proved that Theodore Roosevelt spoke softly but carried a big stick? Check this site. http://en.wikipedia.org/wiki/Big_stick_diplomacy

    asked on May 11, 2007
  17. history

    What was Wilson’s slogan for entering World War I? Why was his slogan invalid at the time? What happened later in Russia, which provided how invalid was his slogan?

    asked on May 11, 2007
  18. math

    If she made the last free throw, then her probability of making the next one is 0.9. On the other hand, If she missed the last free throw, then her probability of making the next one is 0.5. Find the long-run free-throw shooting probabilities for this

    asked on December 6, 2010
  19. Health

    @Ms.sue I need your help please You have been having trouble breathing so you go to the doctor to check it out. What important question might he ask you to determine if you have been taking good care of your respiratory system? A. "Do you bathe regularly?"

    asked on March 8, 2018
  20. Religion

    1. What three actions we are commanded to do by the seventh commandment? from http://www.vatican.va/archive/catechism/p3s2c2a7.htm "THE SEVENTH COMMANDMENT You shall not steal. The seventh commandment forbids unjustly taking or keeping the goods of one's

    asked on May 7, 2007
  21. Chem

    Could someone explain to me how to prepare (a) zinc chloride by an acid-base reaction and (b) by a gas formation reaction. If the starting materials available are ZnCO3, HCL, CL2, HNO3, NaCL, Zn(NO3)2, and Zn. Thanks so much for any info.

    asked on December 2, 2008
  22. math

    Assume that your sample space is S = {O1, O2, O3, O4, O5, O6 } with associated weights (probabilities) w1 = 0.15, w2 = 0.25, w3 = 0.10, w4 = 0.20, w5 = 0.15, and w6 = 0.15. Determine the probability of the following events: {O3 }∩{O5 }:

    asked on September 29, 2010
  23. math

    What do all these letters B,D,E,F,H,K,L,M,N,P,R have in common that none of the other in the english alphabet has?

    asked on October 4, 2008
  24. finance help

    You have decided to buy a car that costs $34,100. The dealer offers you a 5-year loan with monthly payments of $695 per month. What is the annual nominal interest rate on the loan?

    asked on October 22, 2009
  25. Math

    Pool tables are rectangular, and their length is twice the width. Find the dimensions of a pool table if it occupies 162 ft2 of floor space

    asked on September 28, 2012
  26. physics

    A 16kg stone falls 40m. Find the stone's kinetic energy just before it strikes the ground.

    asked on January 22, 2012
  27. math

    Hello I need help with scientific notation please 0.00000586

    asked on November 24, 2010
  28. World history

    how did human life change when the ice age ended?

    asked on May 21, 2009
  29. Math

    A catcher's and a pitcher's uniform numbers are consecutive integers whose product is 756. If the catcher's was the smaller number, determine the uniform number of each player.

    asked on September 28, 2012
  30. finance

    Today, Mark invested $5,000 into an account that guarantees 7.50% p.a., compounded monthly and Madonna invested $5,000 into account guaranteeing 8.125% p.a., compounded quarterly. How long will it take (in years) for the value of Madonna's investment to be

    asked on October 25, 2009
  31. Physics

    On a mass of 100 kg, a force of 120 N acts right and at an angle of 30 degrees to the horizontal. If the coefficient of sliding friction is .1 what is the acceleration of the mass? 100N* cos30 -(100sin30+mg)(.1)= m*acceleration [86.6025- [(-50 +

    asked on August 24, 2006
  32. math

    Mary hits 60% of her free throw shots in yesterdays game. If Mary takes 7 free throw shots in yesterdays game, what is: A. The probability she scores 5 of those shots? B. The probability she scores none of the shots? C. Her average number of hits, or shots

    asked on October 28, 2013
  33. finance

    Today, Mark invested $5,000 into an account that guarantees 7.50% p.a., compounded monthly and Madonna invested $5,000 into account guaranteeing 8.125% p.a., compounded quarterly. How long will it take (in years) for the value of Madonna's investment to be

    asked on October 23, 2009
  34. Algebra

    It's been so long since I've donw combinations, and now I have a question about them in my algebra homework packet. Question is....Marcie has a collection of 9 DVDS. She will choose 4 of them to take in the car to watch during a long trip. How many

    asked on June 12, 2009
  35. legal and ethical issues

    select a current or proposed law that impacts the delivery of human services what reliable resources are availiable to learn about the implications of this law? What is the purpose or rationale of the law? How will the law effect da-t-day operations within

    asked on June 2, 2008
  36. earth science

    22. an illustration of the fact that a sudden and great _____ struck the earth is the millions fo mammoths and other large animals frozen instantly and preserved, whole and undamaged. catastrophe cold front ice age permafrost ice age right This also makes

    asked on April 4, 2007
  37. Physics

    On a mass of 100 kg, a force of 120 N acts right and at an angle of 30 degrees to the horizontal. If the coefficient of sliding friction is .1 what is the acceleration of the mass? Net force= mass*acceleration Horizontal force -frictionalforce =

    asked on August 21, 2006
  38. linear equations

    Han's age decreased by 19 is 70 Translate this into an equation

    asked on February 28, 2018
  39. algebra

    joe counted a total of 40 whites and yellow cars. there are 9 times white cars as yellow cars. how many white cars did joe counted

    asked on September 4, 2014
  40. POL 201

    Q:An independent regulatory authority, like the Federal Reserve Board. A)is subject to legislative oversight. B)operates independently of both the President and Congress. C)takes orders from the President. D)engages in partisan politics Q:A clientelist is

    asked on May 20, 2014
  41. Math

    The length of the luff is four times longer than the length of the foot of the sail. Find the length of the foot and the length of the luff.

    asked on September 28, 2012
  42. physics

    Suppose that you have a circle with a radius of 4.02 ± 0.39 m, what is the calculated uncertainty in the area?

    asked on February 2, 2011
  43. english

    In emphasizing the importance of individual thinking and basing one's beliefs on one's own experiences, Sojourner shows she has much in common with

    asked on November 11, 2009
  44. pre-algebra

    if the scale is 3 in. = 50 mi. what is the actual distance if the line segment was 6 in.

    asked on February 21, 2012
  45. History

    Which of the following words best describes the climate of New Zealand..a) tropical b) temperate c)arid d)artic

    asked on February 16, 2012
  46. science

    Why doesn't the sand from california beaches' result in froth and bubbles when you pour vinegar on it?

    asked on January 17, 2011
  47. math

    Please and this one 234,000,000 it scientific notation

    asked on November 24, 2010
  48. HCR 230

    Write a 350- to 700-word response that familiarizes you with private payer plans and CDHP account types

    asked on May 2, 2010
  49. College Essay

    Are there any grammar errors or any other errors I should fix? And is there anything I should edit? Also are my paragraphs organized correctly? The smell of exhaust combined with dirt and dust fluttering in the air from multiple cars is my first encounter

    asked on November 26, 2006
  50. US history

    Explain what a precedent is. Identify three precedents to the United States Constitution.

    asked on September 12, 2018
  51. economics

    quantity total cost what's the marginal cost? 0 8 2 9 4 10 6 11 8 13 10 19 12 27 14 37

    asked on March 15, 2013
  52. chemistry

    What is the concentration of a standard solution? - It was prepare to 250mL, it contained 9.7563g (O.lM) of (NH4) and 3mL of sulphuric acid.

    asked on September 20, 2011
  53. physics

    Suppose you have a circle with a radius of 6.43 ± 0.09 m, what is the average area of the circle?

    asked on February 2, 2011
  54. math

    -2(5+2)-3(3-4)-5

    asked on October 1, 2010
  55. math

    THe perimeter of a rectangle is 166 inches. The length exceeds the width by 23 inches. Find the lenght and the width

    asked on July 30, 2010
  56. finance

    You have decided to buy a car that costs $34,100. The dealer offers you a 5-year loan with monthly payments of $695 per month. What is the annual nominal interest rate on the loan?

    asked on October 23, 2009
  57. accounting help

    IN 2008, Variman, Incorportated had Gross Accounts receivable of $2,366,420 and management estimated the Allowance for Doubtful accounts to be $243,520. Compute the ratio of Allowance of Doubtful accounts to Net Accounts receivable for Variman, Inc. for

    asked on September 3, 2009
  58. Bio

    describe the general body form of a fungus when growing and at time of sexual reproduction...

    asked on October 15, 2008
  59. college

    The annual rainfall in California’s north valley averages twenty-three inches. So the rainfall next year will be twenty-three inches

    asked on September 2, 2008
  60. earth science

    what is the most common sedimentary rock? Since this is not my area of expertise, I searched Google under the key words "sedimentary rock common" to get these possible sources:

    asked on April 4, 2007
  61. earth science

    24. emormous masses of ____ rock all over the world, such as the Columbia Plateau in the northwestern U.S., give evidence of some huge catastrophic action. granite mountainous sedimentary volcanic volcanic right? Yup.... absolutely

    asked on April 4, 2007
  62. earth science

    21. Billions of fossils of plants, fishes, and land animals, many almost perfectly preserved, could not have been buried by natural _______ observable in the world today. DEATHS DISEASES EVELOUTION PROCESSES processes right? That makes good sense to me.

    asked on April 4, 2007
  63. Physics

    On a mass of 100 kg, a force of 120 N acts right and at an angle of 30 degrees to the horizontal. If the coefficient of sliding friction is .1 what is the acceleration of the mass? 100N* cos30 -(100sin30+mg)(.1)= m*acceleration does "m*acceleration mean

    asked on August 23, 2006
  64. science

    What isthe missing word?The Heart has some ----- tissue in it.

    asked on September 19, 2008
  65. computer

    a routine that puts a series of strings or numbers in order is called a ________

    asked on May 3, 2007
  66. Math

    Speed of an airplane and time it takes the plane to complete a 500-mile trip

    asked on May 14, 2017
  67. Math (Number Theory)

    the following two lines indicate another way to derive the formula for the sum of the first n integers by rearranging the terms in the sum. Fill in the details. 1+2+3+...+n=(1+n)+(2+(n-1))+(3+(n-2))+... =(1+n)+(1+n)+(1+n)+...

    asked on April 21, 2014
  68. Physics Lab

    Collision derivation problem. A car is released from rest on a frictionless inclined plane. Assume h/L is approximately equal to y/x. equations. If the car has a mass of 0.2 kg, the ratio of height to width of the ramp is 11/110, the initial displacement

    asked on July 20, 2013
  69. medical coding and billing

    i just strated school and one of the assignments is to file an appeal for a doctor stating that he wants more money then the insurance company paid him and i have no idea on how to even start this letter can some one help me please?

    asked on January 2, 2010
  70. math

    A stamp collection consists of 3, 8, and 15 cent stamps. The number of 8 cent stamps is one less than triple the number of 3 cent stamps. The number of 15 cent stamps is six less than the number of 8 cent stamps. The total value of all the stamps is $2.47.

    asked on September 7, 2008
  71. science reading scales

    how to you find the samllest division when reading a scale

    asked on September 10, 2007
  72. computer

    a routine that accepts one or more arguments and returns a single result is called a _______

    asked on May 3, 2007
  73. earth science

    what class of minerals contains the element oxygen bonded to a metallic element http://en.wikipedia.org/wiki/Iron_oxide

    asked on April 4, 2007
  74. College Essay

    I edited it from your suggestions is there anything else I could change or add? The smell of exhaust from multiple cars combined with dirt and dust fluttering in the air is my lasting impression of Canton, China. The vivid image frequently reminds me of

    asked on November 26, 2006
  75. US history

    Choose one of the amendments in the passage and identify its precedent.

    asked on September 12, 2018
  76. integration

    sqrt2 times e^t times t^(1/2) dt bounded between 0 and 1. i tried integration by parts.. but it keeps repeating.. please help. thank you!

    asked on August 27, 2009
  77. religion

    i need to write an essay on mass as a sacrafice. i need help on sacrifice in natural religion, the Old Testament beckround to sacrafice, and the relationship of the mass to sacrafice and calvary PLEASE HELP! Since this is not my area of expertise, I

    asked on May 7, 2007
  78. religion

    2. What four actions besides stealing are forbidden by the seventh commandment? See my response below.

    asked on May 7, 2007
  79. Visual Basic

    a routine that puts a series of strings or numbers in order is called a ________

    asked on May 3, 2007
  80. computer

    Notes in a program which explains what the program is doing are called ______

    asked on May 3, 2007
  81. Visual Basic

    If you wanted your program to respond to an event every 5 seconds, you would use the ________control. timer having problems getting the name from my txtName box to show up on my lblmessage box. I am working on a simple program that one types there name at

    asked on May 3, 2007
  82. english

    research plan, what does it mean - birth control why do you think this research question is appropriate for a research paper birth control

    asked on September 18, 2012
  83. Visual Basic

    Notes in a program which explains what the program is doing are called ______ Comments?

    asked on May 3, 2007
  84. Visual Basic

    a routine that accepts one or more arguments and returns a single result is called a _______

    asked on May 3, 2007
  1. US history

    What about this? Precedent means "a decision that can be legally used due to the current situation" For example, in the US constitution: 1) "The Ratification of the Conventions of 9 states, shall be sufficient for the Establishment of this Constitution

    posted on September 12, 2018
  2. US history

    What about ratifying the constitution?

    posted on September 12, 2018
  3. US history

    The bill of rights

    posted on September 12, 2018
  4. US history

    I figured out what a precedent is after I posted this question, but I can't figure out any for the US constitution.

    posted on September 12, 2018
  5. Health

    @Connections student 2 OMG THANK YOU SO MUCH

    posted on March 9, 2018
  6. Health

    @Renne :) Are you sure? This is unit test and if i get any answers wrong I have to do it over again..

    posted on March 8, 2018
  7. Health

    @Ms.sue help please

    posted on March 8, 2018
  8. math

    8 and 1/3 sec

    posted on December 5, 2017
  9. Health

    actually mrs.sue is right shes the teacher here yall are not you are in 6th grade mrs.sue already graduated. SHE S RIGHT NOT YALL

    posted on December 4, 2017
  10. Probabilty & Statistic

    mean 100 standard deviation 20 population 1000

    posted on January 27, 2017
  11. physics

    7.2, 16, and 29

    posted on September 18, 2016
  12. Math

    Actually Reiny was right, it is 56 I just typed it in and it's correct

    posted on February 18, 2016
  13. chemistry 101

    3.45 mol x 5 mol O/1 mol P2O5= 17.3 mol of Oxygen

    posted on February 17, 2016
  14. history

    Tariff Protection

    posted on October 12, 2015
  15. Chemistry

    Anyone got a good explanation for this question.

    posted on May 5, 2015