# just need help in reviewing my answers...they are all true/false questions..THANKS!!! 1. A principal-agent problem occurs when managerial decisions are inconsistent with the firm’s revenue maximizing objective. False 2. A firm making less than a normal profit would have an

54,015 results, page 94
1. ## physics

ok if a car is going around a bank curve my book is telling me there is an ideal spead were no friction is required at all for it to complete the banked turn it says that this occurs when the horizontal component of the normal force is equal to the radial

asked by physics on July 30, 2009
2. ## physics 113

Calculate the change in internal energy of 2kg of water at 90 degree celcius when it is changed to 3:30m3 of steam at 100oC. The whole process occurs at atmospheric pressure. The latent heat of vaporization of wat

asked by Anonymous on February 27, 2015
3. ## Chem

A synthesis reaction occurs between 15.0g of gallium and 15.0g oxygen. 1- Write a balanced equation. Ga + 02 --> Gao2 (I got this part) 2- Setup two factor labels to determine the mass of product possible considering each reactant. Please help #2. I don't

asked by yengiang on February 3, 2013
4. ## English

Can you check these sentences, please? 1)If you want to reduce this problem (a synonym for reduce?) 2)He thought that in a man there are good and evil parts (there is a good and an evil part) 3)You have to reuse them (instead of use them more times) 4)He

asked by Franco on January 7, 2010
5. ## MATH

Oh no! I just realized that I just had a test and for example 2sinx-sinx-1. If I answered theta = *whatever whatever... instead of x = *whatever and my teacher decides to deduct half marks for each question I do, what are some points that I can argue? This

asked by Tri on February 27, 2009
6. ## physics

1)A convex mirror of focal length 10 cm forms an upright and magnified image of a real object placed at a distance of 20 cm from the mirror. false 2)A concave mirror of focal length 10 cm forms an upright and diminished image of a real object placed at a

asked by Jon on April 7, 2008
7. ## statistics

A headline in a certain newspaper states that "most stay at first job less than 2 years." That headline is based on an online poll of 320 college graduates. Among those polled, 72% stayed at their first full-time job less than 2 years. a. Assuming that 50%

asked by slomomo on February 27, 2015
8. ## bus math

Solve the problem. Express answers as a percent rounded to the nearest tenth. 20) Complete a vertical analysis on the balance sheet for Jake's Janitorial Service for December 31 of last year. The company assets are cash \$20,000, accounts receivable

asked by damerius on July 12, 2016
9. ## English

Which choice effectively combines these two sentences? 'The plainer rooms are more sparsely furnished. Their architectural features, furnishings, and decorations are just as true to the periods they represent.' A. The plainer rooms are more sparsely

asked by Mariah on July 20, 2018
10. ## Finance

Could someone tell me how to calculate this in excel? You are applying for a 30-year, fixed-rate (APR 6.50%), monthly-payment-required mortgage loan for a house that sells for \$80,000 today. The mortgage bank will ask you for 20% initial down payment (in

asked by Brittany on October 2, 2015
11. ## English

I need help finding real life examples of these themes? 1. Guilt can destroy a person, body, and soul. 2. True repentance must come from within. 3. Revenge destroys both the victim and seeker 4. One must have the courage to be true to one's self. 5.It is

asked by Amy on January 28, 2015
12. ## SCIENCE

Which of the following statement is true for the lift off process? I. After lift off process, the material is deposited at the sites which are not protected by photoresist II. Lift off process gives a better result if the bilayer of photoresist is used

asked by MEMS on August 27, 2018
13. ## Dr. Bob...Chemistry

you just answered a question for me, but the following are my answers to choose from. it was the 2nd question that I posted. about hydrocloric acid solution mixing with sodium bicarbonate. So, my answers to choose from are gas evolution, precipitation,

asked by Coug on November 20, 2009
14. ## Trigonometry

Hello, everyone: I am working on finding the exact values of angles that are less common and are therefor not found easily on the Unit Circle (at least, they are not labeled). For example, the problem I am asking about is: 10) Find the exact values of the

asked by Timothy on March 17, 2008
15. ## Science

Which statement is true regarding nuclear energy? (Points : 1) Since 2005, global private investments in nuclear energy totaled \$100 million dollars. Nuclear plants cost 2-3 times as much as new windpower to build. Nuclear energy currently produces 50% of

asked by Anonymous on November 11, 2013
16. ## Science

Alright i forgot my science book and theres a paper due soon so i was wondering if i could get some answers to these questions. List Three Ways That Substances can move in and out of a cell. In diffusion, molecules move from an area of _________

asked by blah on January 29, 2008
17. ## science

1)effects of impurities on the boiling point of an organic compound. 2) purposes why melting points are determined. 3)suppose i am taking a melting point and the compound disappears, what must i do? Have you put any thought into these or do you expect us

asked by bugalo on August 15, 2007
18. ## Chemistry

A baker uses sodium hydrogen carbonate as the leavening agent in a banana nut quickbread. the baking soda decomposes according to two possible reactions. 1. 2 NaHCO3 = Na2CO3+H2O+CO2 2. NaHCO3+H=H2O+CO2+Na. calculate the volume in mL of CO2 that forms at

asked by Stacey on October 7, 2010
19. ## science

After drugs were administered, the brain activity of each person was recorded. This statement should be classified as 1 the problem = the main issue or subject being investigated in the study 2 a method= a procedure , process, or approach used to

asked by kizzi on June 5, 2016

1. A 2. C 3. A 4. D 1. Coal, oil, and natural gas are inexpensive sources of fuel which do not cause pollution when used. A. true B. false 2. One reason people around the world use coal as an energy source is: A. It is nonrenewable. B. it can be found many

asked by matt on March 11, 2014
21. ## Math

Is (2,12) a solution to the given system? y>2x+4 yx+8 3x+y>2 y>-x+8 2x+3y≥7 y≤-3x+1 x-y≥-15 Melissa keeps a jar for holding change. The jar holds 21 coins. All of the coins are quarters and nickels. The total amount in the jar is \$3.85. How many

asked by Anonymous on December 20, 2016
22. ## Economics (attempted as suggested by economyst)

Posted by eStone on Sunday, March 29, 2009 at 5:47pm. Suppose that a firm is currently employing 30 workers, the only variable input, at a wage rate of \$60. The average product of labor is 30, the last worker added 12 units to total output, and total fixed

asked by eStone on March 30, 2009
23. ## Sequences

Show full steps: 1a) Determine the formula for the nth term for 7,12,17... b) Determine the value of the 19th term,t19. 2) Determine the number of terms in the sequence 4,12,36...2125764. Show all necessary steps. There are 15 more questions but I think if

asked by Mercy on May 25, 2013
24. ## fallacies

Need help with two questions 8. From a letter to the editor: “The counties of Michigan clearly need the ability to raise additional sources of revenue, not only to meet the demands of growth but also to maintain existing levels of service. For without

asked by help on November 24, 2009
25. ## science

How does a hurricane form? * It forms over the warm Atlantic ocean as low pressure area It forms over the warm Atlantic ocean as a high pressure area It forms over the cool Pacific ocean as a low pressure area It forms over the cool Pacific ocean as a high

asked by jer bear on January 8, 2019
26. ## SCI 275

Write a 700- to 1,050-word paper in APA format that includes the following: o A brief description of the water resource problem in the video and how it originated. o A management and sustainment plan that you think will benefit both sides of the issue. o

asked by BaBa on April 27, 2008
27. ## science

Write a 700- to 1,050-word paper in APA format that includes the following: o A brief description of the water resource problem in the video and how it originated. o A management and sustainment plan that you think will benefit both sides of the issue. o

asked by BaBa on April 26, 2008
28. ## sci 275

Write a 700- to 1,050-word paper in APA format that includes the following: o A brief description of the water resource problem in the video and how it originated. o A management and sustainment plan that you think will benefit both sides of the issue. o

asked by Anonymous on July 13, 2008
29. ## Reimbursement Methodologies

Could someone please check my answers for me..Thanks 1. Mary needs Medicaid coverage. Where should she start looking for information to determine her eligibility? A. The local hospital social services department B. Her employer C. The federal government

30. ## reimbursement methodologies

Could someone please check my answers for me..Thanks 1. Mary needs Medicaid coverage. Where should she start looking for information to determine her eligibility? A. The local hospital social services department B. Her employer C. The federal government

asked by Anonymous on May 11, 2010
31. ## physics

PLEASE HELP!! I HAVE A TEST TOMORROW!! i just posted this problem but a very important drawing was left out! if Q=30 uC, q=5.0 uC, and d=30cm, what is the magnitude of the electrostatic force on q in N? (Ke= 8.99 x 10^9 Nm^2/C^2) (uC= micro coulombs) (u=

asked by Bobby on April 6, 2009

I have to write two paragraphs discussing the problem of winning support from other nations for the Patriot cause during the Revolutionary War. I don't know what the problem was. The French Spanish & Germans were eager to fight against the Engilish.

asked by JT on November 25, 2009

I'm trying to solve this problem: What sinking fund payment would be required at the end of each three-month period, at 8% interest compounded quarterly, in order to amount to 20,000. I just need to know how to work the problem correctly.

asked by Valerie on January 14, 2011
34. ## Mathmatics

A function of two variables is given by, f(x,y) = e^2x-3y Find the tangent approximation to f(0.989,1.166) near (0,0), giving your answer to 4 decimal places. Any kind soul to help on the problem. My professor raise this problem to me. i am so stuck.

asked by Margaret on September 29, 2013
35. ## Math

I do not understand how to figure out my problem below and can not find an example in my book. Can someone give me a suggestion on how I can arrive at my answer. Problem: Write a system of inequalities whose solution set is the region shown. graph

asked by Jon on April 18, 2008
36. ## math 106

what amortization payment would be required every month, at 12% interest, to pay off a \$125,000 mortgage in 10 years? round your answer to the nearest cent. can you work the steps to this problem for me so i can see the problem clearly?

asked by lindaemory on December 5, 2012
37. ## psy

18. Choose the pair of words/phrases among the choices that exhibits the same logical relationship as the words/phrases in the following pair. conductor : orchestra (Points : 1) skater : rink teacher : principal producer : movie l eaning toward this one,

asked by Cat on September 25, 2010

A borrower is repaying a loan with payments of \$3000 at the end of every year over an unknown period of time. If the amount of interest in the third instalment is \$2000, find the amount of principal in the sixth instalment. Assume that interest is 10%

asked by Anonymous on March 22, 2018
39. ## Statistics

The table below shows the LOS for a sample of 11 discharged patients. Using the data in the table, calculate the mean, range, variance, and standard deviation, and then answer questions e and f. Round the variance and standard deviation to one decimal

asked by Anonymous 11/11/13 on November 11, 2013
40. ## SCIENCE!

the second worksheet of SCIENCE! for today performing an experiment read the following statements and then answer the questions. 1. a scientist wants to find out why sea water freezes at a lower temperature than fresh water. 2. the scientist goes to the

asked by anon on August 29, 2015
41. ## 6th grade geography, Spain.

Questions: 1) Name some of the major physical features of Spain. 2) What is Spain's economy based on? 3) Why is there a cultural divergence in Spain? 4) What other cultures have mixed with or influenced Spanish culture? 5) About 13% of Portugal's people

asked by i&#9829;zee on April 3, 2012
42. ## math (tree diagram)

Consider the set of northwestern states or provinces {Montana, Washington, Idaho, Oregon, Alaska, British Columbia, Alberta}. If a person chooses one element, show that in three yes or no questions, we can determine the element. My three questions Is there

asked by Donni on August 9, 2009
43. ## Math

Suppose an object is dropped from a height h0 above the ground. Then its height after t seconds is given by h = −16t 2 + h0, where h is measured in feet. Use this information to solve the problem. A ball is dropped from the top of a building 59 ft tall.

asked by G on January 24, 2015
44. ## physics- MC QUESTIONS

Q 1: which of the following conditions occur when an object is in static equilibrium ? (can be more than one option) a. net force on the object is zero b. net torque on the object is zero c. acceleration of the object is zero d. velocity of the object is

asked by Lilly on May 9, 2012
45. ## Physics,2.01x

The shaft ACB, of constant outer diameter 2R and length 2L, is fixed to walls at both ends A and B. The left half of the shaft (AC) is solid, while the right half (CB) is hollow, with an inner diameter 2√R. The right half, CB, is subjected to a uniform

asked by Uncle Sam on July 23, 2013
46. ## Physics

The 56 kg man in the roller coaster car is sitting on a bathroom scale. If he is traveling at 40.9 m/s at the point shown and the radius of the vertical coaster track is 87 meters, to the nearest newton what does the scale read? What is the answer to the

asked by Sara on November 2, 2014
47. ## Physics

I have a question An airplane is flying at 120km/h due west moves into a region where the wind is blowing at 40km/h. If the planes original velocity is Vplane, what is the expression for the plane's resulting velocity in terms of V plane? Answers are given

asked by Jillian on September 22, 2010
48. ## Physics

I have a question An airplane is flying at 120km/h due west moves into a region where the wind is blowing at 40km/h. If the planes original velocity is Vplane, what is the expression for the plane's resulting velocity in terms of V plane? Answers are given

asked by Jillian on September 22, 2010
49. ## grammar

Diagram the simple subject, the simple predicate, and the direct object of each sentence. Diagram any indirect object as well. 1. People solve problems every day. People/solve/problems 2. A computer will provide answers. Computer/will/provide 3. Anidea

asked by TiffanyJ on December 9, 2010
50. ## Psychology 220

1.65 (1 pts.) David is a junior at the local high school. The school's administration believes his recent emotional outbursts during class may be due to problems in his home life. Who might be best suited to deal with this situation? A) the principal B) a

asked by G. KAY on December 9, 2012
51. ## statistics

Suppose we have a population of scores with a mean (μ) of 200 and a standard deviation (σ) of 10. Assume that the distribution is normal. Provide answers to the following questions: What score would cut off the top 5 percent of scores? What score would

asked by lori on October 29, 2011
52. ## Statistics

Suppose we have a population of scores with a mean (ì) of 200 and a standard deviation (ó) of 10. Assume that the distribution is normal. Provide answers to the following questions: What score would cut off the top 5 percent of scores? What score would

asked by Sam on July 20, 2011
53. ## stats

Suppose we have a population of scores with a mean (μ) of 200 and a standard deviation (σ) of 10. Assume that the distribution is normal. Provide answers to the following questions: What score would cut off the top 5 percent of scores? What score would

asked by lori on October 30, 2011
54. ## Statistics

Suppose we have a population of scores with a mean (ì) of 200 and a standard deviation (ó) of 10. Assume that the distribution is normal. Provide answers to the following questions: What score would cut off the top 5 percent of scores? What score would

asked by Denise on October 19, 2011
55. ## Inter. Algebra

what is the answer to 2 square root of 18x? Do you mean 2*(18x)1/2? What does it equal. What are we to do with the problem? DrBob222, My problem states 2 square root sign & 18x underneth it. If you could help me with this problem I'd really appreciate it.

asked by Andrea on December 2, 2006
56. ## Math

please show me how to do this... A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true. Show your work. Sn:   12 + 42 + 72 + . . . + (3n - 2)2 = n(6n^2-3n-1)/2 Also, please

asked by Taylor on March 14, 2016
57. ## English

1. When is the library open? It is open from 8 a.m. to 5 p.m. 2. What time is the library open? It is open from 8 a.m. to 5 p.m. 3. What are the opening hours of the library? The opening hours are from 8 a.m. to 5 p.m. 4. What are opening hours of the

asked by rfvv on April 1, 2013
58. ## Language - interview for eraser

I'm doing a big report things on the invention of the eraser and some of the first erasers. All that fun stuff... anyway my teacher said that we have to interview some one with about 10 questions about erasers. It doesn't have to be someone that knows

asked by Nicky on April 17, 2009
59. ## To Alice

Please don't piggy-back your questions on other students' posts or replies. That's how things get lost. You posted this: I am having a problem with my assignment, I am currently attending Peen Froster for Medical billing and Coding. The subject is about

asked by Writeacher on December 29, 2015
60. ## Pre-writing skills

Advertising. I know I have to write about advertising. What do I know about advertising? I know you have to market a product to a specific audience. Advertising is used to sell things like soft drinks or cars. I think I need to narrow down my choices of

asked by Steve on April 3, 2018
61. ## Social and Behavior Sciences

Hello, can someone help me with the following questions. I am indecisive. In evaluating the source of information there are __________ questions or criterion one must ask or consider. 1. 3 2. 4 3. 5 4. 6 I selected number 4. 6 but am looking at 2. A

asked by Lencho on June 2, 2017
62. ## Math

In hockey, 6 players from each team are on the ice at a time: 1 goalie, 2 defence men, and 3 forwards. A school hockey team has a total of 17 players: 2 goalies, 6 defensive players, and 9 forwards. A) How many of these starting line ups include Sam, one

asked by Jill on February 27, 2009
63. ## stats

a student randomly guesses at five multiple-choice questions, each question has five possible choices (suppose the choice for each question is independent): a) Find the probability that the student gets exactly three correct. b) What is the probability

asked by jeanette on March 31, 2012
64. ## Biochem

asked by Pop on November 13, 2014
65. ## Economics

A market failure occurs when a free market is unable to A. distribute resources efficiently. B. provide open opportunity C. meet government regulations. D. encourage innovation.

asked by Tammie on October 21, 2013
66. ## Help!!!!!!!!!

Calculate Triangle G°, free energy change, that occurs when 12g of Shila react with excess And at 298k according to the following reaction: N2(g)+3H2(g)2NH3(g) Triangle G°=-34KJ/mole

asked by Lost Girl!! on December 19, 2012
67. ## maths help

What is the least number of rolls should a fair standard 6-sided die be done so that the recorded numbers that have been shown approximates a binomial distribution of standard deviation of 10 and a success occurs when a 4 is tossed?

asked by wqa on September 24, 2016
68. ## Sociology

According to Parsons, evolutionary change occurs through a two step process involving A) the ideational and the sensate B) differentiation and integration C) core societies and peripheral societies D) industrialization and modernization

asked by Mack on March 29, 2016
69. ## Confidentiality and Allied Health

When should information be entered into a medical record? A at the time the event occurs b at the time set aside at the end of the shift c while the physician is making rounds d when the patient is discharged from the hospital I think its a

asked by Heather on August 31, 2016

What is the prefix suffix , and root of the word grumbled? My answers: No prefix Led-suffix Grum root am i correct? Plz answer for all my answers and ASAP

asked by Nina on September 15, 2015

Please check- sqrt of 2x + 15 = x Answers: -5.3 -3.5 -3 5 I think according to my calculations it would be 5, correct? sqrt root of 7-x = 3-solve for x Answers: -2 2 4 -4 My choice would be 2 Is that correct- I squared both sides and came out with 7-x = 9

asked by Juliette on October 12, 2010
72. ## com 140

As a project manager, you are looking forward to completing your current project and then taking a European vacation with your bonus money. Shortly before bonuses are expected, however, you realize your team just missed reaching the financial goal for the

asked by c on August 29, 2008
73. ## Socials

I'm reviewing my chapter. Would abolishing child labour be effective or not?-developed world+developing world Yes, abolishing child labour would be an effective strategy to improve the lives of children because then so many deaths wouldn't occur, and

asked by Sara on December 9, 2009
74. ## Math

Use the following table to answer the questions. (Give your answers correct to two decimal places.) x 1 1 3 3 5 5 7 7 9 9 y 3 2 6 1 3 3 3 2 5 3 (a) Find the equation of the line of best fit. y hat = 2.6,.1x Correct: Your answer is correct. . + Correct:

asked by Tracy on June 28, 2013
75. ## CHEM

I was just wondering if someone would be able to critique my answers for the following Chem questions? they range from pretty basic to a bit more... 2)which of the following is the definition of the value of Avogadro's constant: b) the # of Carbon atoms in

asked by K on October 21, 2007
76. ## Math Check

Are my answers correct? Tell whether the system is inconsistent OR dependent. 1.) -7x+6y=-4 14x-12y=8 2.) 3x-y=7 -6x+2y=8 My answers: 1.) inconsistent 2.) Dependent

asked by Brenna on March 4, 2015
77. ## Math Help

Are my answers correct? Tell whether the system is inconsistent OR dependent. 1.) -7x+6y=-4 14x-12y=8 2.) 3x-y=7 -6x+2y=8 My answers: 1.) inconsistent 2.) Dependent

asked by Brenna on March 4, 2015
78. ## Math Check

Can someone check my answers? Thanks! Tell whether the system is inconsistent OR dependent. 1.) -7x+6y=-4 14x-12y=8 2.) 3x-y=7 -6x+2y=8 My answers: 1.) inconsistent 2.) Dependent

asked by Fee on March 3, 2015
79. ## precalc

solve. give the answers so that 0 ≤ x < 2π. 1) sin x + 4 = 5 csc x answer: π/2 2) 3 csc x + 15 = 0 answer: -.20 are my answers correct?

asked by owen on October 29, 2015
80. ## Sign Language

Hi I would like for my answers to be checked for these two questions (Note: I'm not sure if the 2nd one is correct): 1. Several school-related words are based on which sign? a. book b. learn c. school d. study My Answer: book 2. How do you change a

asked by Jazmine on February 23, 2016
81. ## math

And armored truck left a federal bank at noon when a shipping error was discovered an agent was sent by helicopter to overtake the truck the helicopter left at 1:48 PM and flew at an average speed of 170 km/h. If the truck was overtaken at 3:24 PM what was

asked by Kristie on August 12, 2015
82. ## English

Can you check these two sentences for me? 1) he dreamed of equality of all people 2) he fought against evil 3) the Black Power Movement was more militant (OR a more militant group?) 4) A homowork agency does his homework in Paul's place (instead of for

asked by Franco on January 6, 2010
83. ## Spanish

Can someone check my answers to this? I'm really confused on these practice problems. Thanks! Directions: Using informal, formal, plural and nosotros commands (use Dop's/Iop's if needed) to correctly answer the questions. The names in parathenisis are what

asked by Sophia on January 31, 2015
84. ## Language Help PLZZ

1. What is the purpose of book response activities? to practice all stages of the writing process to help you determine if you want to be an author to imagine yourself as a character in the book you read to illustrate or demonstrate what you have learned

asked by YOLO on May 19, 2015
85. ## Georgia's Government

Please put an answer or something that can lead me to it for these questions. Also if possible can you put all of the answers to the assignment, thank you. The judicial system of Georgia has two primary functions: to interpret the laws of the state, and to

asked by Bookoo the mookoo on February 5, 2019
86. ## Social Studies nhf

Thank you! BTW, nhf stands for need help fast :) thank you again in advance!! All right! So, I have a few essay questions I want to make sure are right! This is really important to me and I am not that good in science. Please help me!! Here goes

asked by Anonymous on February 9, 2017
87. ## Math

I already posted this, but wanted to say that I have the answers and it is 1.68 is less than or equal to x is less than or equal to 9.10 Cone Problem Beginning with a circular piece of paper with a 4- inch radius, as shown in (a), cut out a sector with an

asked by Taylor on January 3, 2011
88. ## math

here are a series of questions and my answers are down below, please help me if I am wrong 1. Sain Advertising Ltd.’s opening trial balance on January 1 shows Supplies \$1,600. On January 11, the company purchased additional supplies for \$2,510 on

asked by mark on September 28, 2017
89. ## Government US

26. U.S. Bureau of Labor statistics reveal that the great majority of those workers who lost their jobs in 2001 did so because a. they are lazy. b. of either a temporary layoff or the permanent elimination of a job position. c. they were undereducated for

asked by HM on October 10, 2011
90. ## Stat Help

A researcher wishes to be 95% confident that her estimate of the true proportion of individuals who travel overseas is within 4% if the true proportion. Find the sample necessary if in a prior study, a sample of 200 people showed that 40 traveled overseas

asked by Shannon on October 6, 2011
91. ## Statistics

When red blood cells are counted using a certain electronic counter, the standard deviation (SD) of repeated counts of the same blood specimen is about .8% of the true value, and the distribution of repeated counts is approximately normal. For example,

asked by Sarah on December 12, 2009
92. ## Math (matrices)

No one answered my matrix question. Let me rephrase: Let A, B, and 0 be 2x2 matrices. Assuming that A is invertible and 0 is all zeroes, what is the inverse of the matrix [A|0] [B|A] (that is a 4x4 matrix represented as 4 2x2 matrices) The answer is in the

asked by James on November 16, 2006
93. ## Analytical chemistry

Calculate pCd2 at each of the following points in the titration of 40.00 mL of 0.0040 M Cd2 with 0.0040 M EDTA in the presence of the auxiliary complexing agent NH3. The solution is buffered at a pH of 11.00. Take the NH3 concentration to be a constant

asked by Ashley on April 4, 2013
94. ## trig1 more question

it is always true that if -1 ≤ x ≤ 1 then cos(Arccos(x)) = x Give an example showing that Arccos(cos(x))= x need NOT be true for all x

asked by richard on May 4, 2010
95. ## probability & statistics

Q: if A and B are independent events, how many of the following statements must be true? 1. A' and B are independent 2. A and B' are independent 3. A' and B' are independent is choice 3 the only one that is true?

asked by Anonymous on June 13, 2012
96. ## Geometry

Is it true for a reflection on a plane... To reflect across the: xy-plane (x,y,z)→(x,y,−z) xz-plane (x,y,z)→(x,−y,z) yz-plane (x,y,z)→(−x,y,z)? Is that true for all planes or just a few particular ones?

97. ## 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

asked by Nancy on October 23, 2014
98. ## Chemistry

hello sir, My name is Tengku Ismadi from University Technology of Malaysia, and i'm studying in Mechanical Eng. I have several questions regarding essential oils. This is some literature study for one of my subject. Due to your expertise, I hope you can