# TIFF

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?

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?

3. ## 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

4. ## 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?

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

6. ## 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

7. ## 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

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

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?

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 }:

13. ## biology

How would a reduction of carbon dioxide emissions affect the oceans? Select the two correct answers. 1. It would reduce ocean temperatures. 2. It would increase ocean temperatures. 3. It would lower the pH of the oceans. 4. It would raise the pH of the

14. ## 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.

15. ## 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

16. ## 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

17. ## 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

18. ## 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?"

19. ## 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?

20. ## marine science

1) parasites can kill their hosts A. True B. False 2) the addition or removal of a species causes a trophic Cascade A. True B. False 3) why are Marine scientists particularly concerned about parasites in the blue crab population A. It is the only species

21. ## 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

22. ## 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

23. ## 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 }:

24. ## 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.

25. ## 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

26. ## math

Hello I need help with scientific notation please 0.00000586

27. ## 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?

28. ## 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

29. ## physics

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

30. ## 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?

31. ## 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

32. ## 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

33. ## physics

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

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

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

36. ## 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

37. ## 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

38. ## 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 =

39. ## US history

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

40. ## 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

41. ## 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.

42. ## 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

43. ## physics

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

44. ## World history

how did human life change when the ice age ended?

45. ## 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.

46. ## History

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

47. ## math

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

48. ## college

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

49. ## 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 +

50. ## linear equations

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

51. ## science

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

52. ## 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

53. ## 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

54. ## Bio

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

55. ## 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

56. ## 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.

57. ## 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

58. ## 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)+...

59. ## 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.

60. ## math

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

61. ## 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?

62. ## 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:

63. ## US history

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

64. ## 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

65. ## english

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

66. ## pre-algebra

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

67. ## math

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

68. ## HCR 230

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

69. ## 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

70. ## science

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

71. ## 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.

how to you find the samllest division when reading a scale

73. ## computer

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

74. ## 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

75. ## Math

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

76. ## Visual Basic

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

77. ## computer

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

78. ## 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?

79. ## 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!

80. ## Visual Basic

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

81. ## computer

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

82. ## 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

83. ## earth science

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

84. ## religion

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

85. ## Visual Basic

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

86. ## 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

1. ## American Government

Took the quiz the answer is B

posted on March 20, 2020
2. ## American Government

is it B?

posted on March 20, 2020
3. ## 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
4. ## US history

posted on September 12, 2018
5. ## US history

The bill of rights

posted on September 12, 2018
6. ## 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
7. ## Health

@Connections student 2 OMG THANK YOU SO MUCH

posted on March 9, 2018
8. ## 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
9. ## Health

posted on March 8, 2018
10. ## math

8 and 1/3 sec

posted on December 5, 2017
11. ## 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
12. ## Probabilty & Statistic

mean 100 standard deviation 20 population 1000

posted on January 27, 2017
13. ## physics

7.2, 16, and 29

posted on September 18, 2016