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(Do I have to use 'help' or' helps'? Which one is correct?) http://www.jiskha.com/display.cgi?id=1258793761 http://www.jiskha.com/display.cgi?id=1258793487 1. It can give you happiness when you give happiness to others. (What does 'it' refer to in this sentence? What functions does 'it' have?") 2. Volunteer work is not something that you must do. 3. Volunteer work is not anything that you must do. (Are both correct? 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The death of a loved one often affects a person. Hamlet lost one of the persons he cared most, his father who was murdered by his own brother, Claudius. Hamlet became furious and upset when he found out that Claudius killed Hamlets father and his mother Gertrude married Claudius a month after her husband died. When Ophelia heard about her father's death she started to go crazy. Her actions were strange when she was around people. She went insane that she committed suicide. Laertes discovered that Hamlet murdered Poloninus and was enraged, ready to get revenge. Losing a loved one affects a person in unusual ways. The loss of a family or friend can make a person go crazy, anrgy and sad. I'm kind of stuck on the opening statement ( topic sentence) and the filler. http://www.jiskha.com/display.cgi?id=1258772779 http://www.jiskha.com/display.cgi?id=1258772742 Debra is buying prizes for a game at her school's fundraiser. The game has three levels of prizes, and she has already bought the second and third prizes. She wants the first prize to be nice enough to attract people to the game. The game's manufacturer has supplied her with the probabilities of winning first, second, and third prizes. Tickets cost $3 each, and she wants the school to profit an average of $1 per ticket. How much should she spend on each first prize? (Give your answer to the nearest cent.) Prize Cost of Prize Probability 1st $ 0.15 2nd $1.28 0.30 3rd $0.70 0.45 http://www.jiskha.com/display.cgi?id=1258772742 http://www.jiskha.com/display.cgi?id=1258772526 Find the amount of money in an account after 12 years if $1000 is deposited at 5% annual interest compounded quarterly. http://www.jiskha.com/display.cgi?id=1258772526 http://www.jiskha.com/display.cgi?id=1258772486 Which is the best investment for three consecutive years? a. A growth of 5% followed by a growth of 10% followed by a growth of 15% b. 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Determine the length of time the voltage is greater than 120 V on each half-cycle. http://www.jiskha.com/display.cgi?id=1258772338 http://www.jiskha.com/display.cgi?id=1258772264 -2 4/7 divided by -1 2/5 http://www.jiskha.com/display.cgi?id=1258772264 http://www.jiskha.com/display.cgi?id=1258772173 -2 4/7 divided by http://www.jiskha.com/display.cgi?id=1258772173 http://www.jiskha.com/display.cgi?id=1258772088 |-6-4| http://www.jiskha.com/display.cgi?id=1258772088 http://www.jiskha.com/display.cgi?id=1258771952 Write a multiplication equation and find the area of the rectangle. A rectangle 2 f units high and m/2 units wide http://www.jiskha.com/display.cgi?id=1258771952 http://www.jiskha.com/display.cgi?id=1258771868 Convert the base-ten number to a numeral in the indicated base. 15 to base two http://www.jiskha.com/display.cgi?id=1258771868 http://www.jiskha.com/display.cgi?id=1258771794 A is the set of all even natural numbers, and B is the set of all odd natural numbers. Describe a universal set for A and B. Also, with respect to this universal set, give a relationship between A and B. http://www.jiskha.com/display.cgi?id=1258771794 http://www.jiskha.com/display.cgi?id=1258771707 Use the distributive property of multiplication over addition to rewrite the sum as a product of two factors, where one of the factors is a sum. 20^a^2 - 16a - 8 http://www.jiskha.com/display.cgi?id=1258771707 http://www.jiskha.com/display.cgi?id=1258770846 <a href="http://www.jiskha.com/display.cgi?id=1258760143" target="_blank">http://www.jiskha.com/display.cgi?id=1258760143</a> http://www.jiskha.com/display.cgi?id=1258770846 http://www.jiskha.com/display.cgi?id=1258770601 Beginning with an "is" and deducing an "ought" is known as ... http://www.jiskha.com/display.cgi?id=1258770601 http://www.jiskha.com/display.cgi?id=1258770169 Identify the single most important indicator of caring that exists. 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Thanks http://www.jiskha.com/display.cgi?id=1258770072 http://www.jiskha.com/display.cgi?id=1258769909 Determine the solutions for: (cos x)/(1 + sinx) + (1 + sinx)/(cosx) = 2 in the interval x is all real numbers, such that [-2 pi, 2pi] http://www.jiskha.com/display.cgi?id=1258769909 http://www.jiskha.com/display.cgi?id=1258768708 Determine solutions for: tanxcos^2x - tanx = 0 in the interval[-2pi, 2pi] http://www.jiskha.com/display.cgi?id=1258768708 http://www.jiskha.com/display.cgi?id=1258768636 provide a situation when scientific method, case study method, survey method, Naturalistic observation method, Correlation method, and Experimental method could be applied http://www.jiskha.com/display.cgi?id=1258768636 http://www.jiskha.com/display.cgi?id=1258768478 What countries could these be? I reallyy need help with this; it has to be done by tonight! 1. Country A= 'Shaped like an S, tropical rain forest, very populous, facing the South China Sea.' 2. Country B= 'A wet land bordered by mountains on west, north, and east; located between Thailand and the bay.' 3. Country C= 'island nation in Pacific located due east of Southeast Asia mainland.' 4. Country D= 'the southern half of a peninsula with the Yellow Sea on the west and the Sea of Japan on the east.' 5. Country E= 'Pacific Rim island nation with four main islands.' [These countries are in East Asia] Please please help me with this; I don't need a link to the world factbook..i just need help solving these...running out of timee!! Thanks -MC http://www.jiskha.com/display.cgi?id=1258768478 http://www.jiskha.com/display.cgi?id=1258767483 The vertical position, h, in metres, of a gondola on a Ferris wheel is modelled using the function h = 10 sin ((pi/15) (t-d)) + 12 where t is the time, in seconds. The gondola must assume a vertical position of 7 m at t=0 s , and be on its way upward. Determine the phase shift required for the desired operation of the Ferris wheel. http://www.jiskha.com/display.cgi?id=1258767483 http://www.jiskha.com/display.cgi?id=1258767282 ok firt when you have [] does it mean multiply because for this problem [7-(-8]|-6| [15]|-6| 15*6 90 is that right? http://www.jiskha.com/display.cgi?id=1258767282 http://www.jiskha.com/display.cgi?id=1258767169 determine whether (2,-4) is a solution of 9x-5y=-2 http://www.jiskha.com/display.cgi?id=1258767169 http://www.jiskha.com/display.cgi?id=1258767064 which guidelines are less important to a business document but more important to an academic paper http://www.jiskha.com/display.cgi?id=1258767064 http://www.jiskha.com/display.cgi?id=1258766878 Find the amount of money in an account after 12 years if $1000 is deposited at 5 percent annual interest compounded quarterly http://www.jiskha.com/display.cgi?id=1258766878 http://www.jiskha.com/display.cgi?id=1258766813 i need help with the nurse midwife proctorship form: the direction are for the nurse midwife's proctorship form, list the procedures that will be reviewed by using privileges specific to teh nurse midwife, that can be find at CNM's web site and in addition to the privileges, include the JC's six competencies my teacher said on the form i should have benchmark numbers, triggers,procedures that are going to be monitored. i have been working on it but do not know how to set up the form i need someone to help me get started in showing me how to do it i did go on the website but do not know what to do. http://www.jiskha.com/display.cgi?id=1258766813 http://www.jiskha.com/display.cgi?id=1258766243 find an equivalent equation with teh given denominator 7/b= ?/bsquared the expression that is equivilent to 7/b is ? if b is squared wouldn't the 7 also have to be squared to be equivilant? 7/b = 49/b squared? Am I correct? Thanks http://www.jiskha.com/display.cgi?id=1258766243 http://www.jiskha.com/display.cgi?id=1258766067 what are the slope and the y-intercept of: f(x)=-4x-8 ? is the slope 4 and y intercept -8? http://www.jiskha.com/display.cgi?id=1258766067 http://www.jiskha.com/display.cgi?id=1258765742 The tides at Cape Capstan, New Brunswick, cause the depth of the water in the harbour to change. The tidal chart indicates that the tides have a high point of approximately 10 m at 2.00 pm and a low point of 1.2 m at 8.15 pm. A sailboat has a draft of 2m. The water needs to be at least 2 m deep in order to the sailboat to safely pass. At what times on that day can the sailboat safely travel in the harbour? http://www.jiskha.com/display.cgi?id=1258765742 http://www.jiskha.com/display.cgi?id=1258765612 What is wisdom? Is it in the stories that Grandfather told me, or is it in what I achieved from schooling? The reality is, wisdom is not learned in school; wisdom is accomplished through countless years of experience. The dictionary informs us that wisdom is knowledge of what is true. To some people knowing their self well is wisdom. Still, to many others, just being happy and healthy is complete wisdom. Now, how do we know what wisdom really is? To be very honest, wisdom can mean one thing to a person, and something completely opposite to another. So i combined what bobpursley and gurublue told me, and this is what i wrote. now, the problem is that i need to have a thesis statement as the last sentence, and i don't knwo what my thesis is. I guess i should state three different meanings of wisdom in my thesis..and describe them in details in the paragraphs later on. what do you think? for ex. 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Impact industries originally built the plant (i.e., purchased the amount of capital) designed to produce 180 units optimally. In the short run with capital fixed, if the manager decides to expand production to 240 units, what is the amount of labor and capital that will be used? (Hint: How must the firm expand output in the short run when capital is fixed?) http://www.jiskha.com/display.cgi?id=1258764671 http://www.jiskha.com/display.cgi?id=1258763508 I have to write a paper on vases from Geometric to Orientalizing periods.(from ancient Greece). So these are my Thesis Statements: "My paper is about the representations of animals and humans form on the vases from the Geometric to Orieltalizing periods." or "My paper is about the representations of animals forms and funeral processions on the vases from the Geometric to Orieltalizing periods." I am going to choose one but I am wondering if both of my thesis statements make sense. Thanks http://www.jiskha.com/display.cgi?id=1258763508 http://www.jiskha.com/display.cgi?id=1258762525 Translate into an algebraic expression Use x and y for any variables. The sum of four time a number plus five times another number http://www.jiskha.com/display.cgi?id=1258762525 http://www.jiskha.com/display.cgi?id=1258761535 GAME TIME the atlanta hops have taken the lead!but dont rule out the new york necks yet. so far, the teams have played 2 full 12- minute quarters,plus 7 minutes of the thrid quarter.(the game has 4 equal quaters)how much time is left for the necks to catch up. TRUNK AND TAILS bella the dog weighs 72 pounds. thats ABOUT 8628 pounds less than tarra weighs. how much does tarra weigh? MEAN MEDIAN MODE Cleveland cavaliers: 78, 75, 87. if you add LeBron James height to the list, the median becomes 79 inches. how tall is he? STORE PROFIT 1A. say a store orders 100 robots for $25.00 each. how much money does the store spend in all on the robots? 1B. say the robots are sold for double the price. at least how many will the store need to make a profit. 2A. say paul orders 40 train sets for $11.25 each. the stoe sells 35 for twice that price.how much of a profit does the store make? SUPERMATH say Christina orders toy horses for $3 each. she sells all the horses for $7 each.the store makes a profit of $168. how many horses did Christina order? http://www.jiskha.com/display.cgi?id=1258761535 http://www.jiskha.com/display.cgi?id=1258761289 Write two different equations that can be used to solve this problem: a low of -4 degrees is predicted for tomorrow. If the tempeture is now 8 degrees by how much must it change? http://www.jiskha.com/display.cgi?id=1258761289 http://www.jiskha.com/display.cgi?id=1258761149 The Chinese used red and black calculating rods as early as 300 B.C. How many years ago was that? http://www.jiskha.com/display.cgi?id=1258761149 http://www.jiskha.com/display.cgi?id=1258761070 The yearly high tempteture in a certain location is 75 degrees. The yearly low was -9 degrees. Write an integer difference that indicates the range in tempeture and find the difference. Would it be 84 degrees? http://www.jiskha.com/display.cgi?id=1258761070 http://www.jiskha.com/display.cgi?id=1258760859 Jackie bought a stock for $34 a share. the daily changes for the next 7 days after she bought the stock were -5, -2, +1, +3, -6, +4 and +8. What was the share of stock worth at the end of day 7? http://www.jiskha.com/display.cgi?id=1258760859 http://www.jiskha.com/display.cgi?id=1258760276 how do you find the mass of a nitrogen molecule? http://www.jiskha.com/display.cgi?id=1258760276 http://www.jiskha.com/display.cgi?id=1258760143 How many atoms of hydrogen are in 220g of hydrogen peroxide (H2O2)? This is what I did so far: the molecular weight of H2O2 = 2*1 +2*16 =34 therefore, there are 220/34 moles of the molecule = 6.47 moles, so there are 6.47xAvogadro's number of molecules there are 2 H atoms per molecule, so multiply 2x6.47x(6.02e^23) which is 7.591084947e^11 but for some reason it is wrong http://www.jiskha.com/display.cgi?id=1258760143 http://www.jiskha.com/display.cgi?id=1258759508 how do you solve this |-3-|-7-7| http://www.jiskha.com/display.cgi?id=1258759508 http://www.jiskha.com/display.cgi?id=1258759257 Can you please tell me how i should start off my essay. For the introduction..how should I start it. i don't want to just flatly say that 'i will be discussing the different meanings of wisdom' i want to know if there is another way that i can get my essay started, nicely. thanks http://www.jiskha.com/display.cgi?id=1258759257 http://www.jiskha.com/display.cgi?id=1258759100 A consultant charges $45 for each hour she works on a consultation, plus a flat $30 consulting fee. How many hours of work are included in a $210 bill for a consultation? is it 2 4/5 http://www.jiskha.com/display.cgi?id=1258759100 http://www.jiskha.com/display.cgi?id=1258759011 how do you solve this: -|-5-(-4)| http://www.jiskha.com/display.cgi?id=1258759011 http://www.jiskha.com/display.cgi?id=1258759002 i want to thank you for helping me with some of my question that i didn't now the answer 2 it nice using Jiskha homework help.I THANK YOU VERY MUCH http://www.jiskha.com/display.cgi?id=1258759002 http://www.jiskha.com/display.cgi?id=1258758979 &#9168;7 &#8722; 3&#9168; &#8722; &#9168;3 &#8722; 7&#9168; = ? is it 0 http://www.jiskha.com/display.cgi?id=1258758979 http://www.jiskha.com/display.cgi?id=1258758870 how are displacement and buoyant force related http://www.jiskha.com/display.cgi?id=1258758870 http://www.jiskha.com/display.cgi?id=1258758832 How many isomers are there of the complex ion [CoCl2(en)(NH3)2]+ http://www.jiskha.com/display.cgi?id=1258758832 http://www.jiskha.com/display.cgi?id=1258758831 What volume of 0.130 M NaOH is needed to neutralize 4.00 g of benzoic acid? http://www.jiskha.com/display.cgi?id=1258758831 http://www.jiskha.com/display.cgi?id=1258758259 human resources includes the skills,talents and abilities which individuals possess.a variety of human resources exists in the Caribbean such as engineers,doctors,lawyers,teachers,scientists,farmers,authors,poets,artists,fisherman and sport personalities http://www.jiskha.com/display.cgi?id=1258758259 http://www.jiskha.com/display.cgi?id=1258757895 what are the various way used in ur country to develop the human resources http://www.jiskha.com/display.cgi?id=1258757895 http://www.jiskha.com/display.cgi?id=1258757409 If you were to change the story of "Peter And The Wolf" HOw might you change it? * I have NO ideas * I do not get it * It has to do with the following - Grandfather - Peter - Duck - Bird - Cat - Wolf ~ Thanks~ http://www.jiskha.com/display.cgi?id=1258757409 http://www.jiskha.com/display.cgi?id=1258757371 identify five ways of developing the human resource http://www.jiskha.com/display.cgi?id=1258757371 http://www.jiskha.com/display.cgi?id=1258756929 Why would it be helpful for scientists to know how long animals live? http://www.jiskha.com/display.cgi?id=1258756929 http://www.jiskha.com/display.cgi?id=1258756471 which of the following do you consider to be more important in developing the human resource education or religion? Justify your answer http://www.jiskha.com/display.cgi?id=1258756471 http://www.jiskha.com/display.cgi?id=1258756320 which of the following do you consider to be more important in developing the human resource education or religion? Justify your answer http://www.jiskha.com/display.cgi?id=1258756320 http://www.jiskha.com/display.cgi?id=1258755364 Problem:: A 4.80 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=13.5 N at an angle q= 17.5° above the horizontal. What is the speed of the block 3.90 seconds after it starts moving? What I've got:: Using sin and cos, I've got that Viy is 4.059 and Vix is 12.875. So, using 12.875 for my initial velocity and the formula Vf=Vi+at, I get Vf=12.875+(2.81)(3.9), which gives me Vf=23.84, but that isn't right. Can someone show me what I'm doing wrong? http://www.jiskha.com/display.cgi?id=1258755364 http://www.jiskha.com/display.cgi?id=1258755036 I AM MAKING A GANTT CHART IN MS PROJECT.I CANNOT CHANGE THE START AND FINISH DATEs...IT IS SOMEHOW BLOCKED TO USE THE DROP DOWN MENU . THE TASK TYPE SAYS IT IS A "FIXED DURATION"...i CANNOT CHANGE THAT EITHER. http://www.jiskha.com/display.cgi?id=1258755036 http://www.jiskha.com/display.cgi?id=1258754127 Lead Contamination More than a decade ago high levels of lead in the blood put 88% of children at risk. A concerted effort was made to remove lead from the environment. In a random sample of 200 children taken more than a decade ago, what is the probability that 50 or more had high blood-lead levels? http://www.jiskha.com/display.cgi?id=1258754127 http://www.jiskha.com/display.cgi?id=1258753951 I was just a little confused with this problem and was hoping for some help or a nudge since the only value given is 27 degrees. Thanks for your time! George of the Jungle, with mass m, swings on a light vine hanging from a stationary tree branch. A second vine of equal length hangs from the same point, and a gorilla of larger mass M swings in the opposite direction on it. Both vines are horizontal when the primates start from rest at the same moment. George and the gorilla meet at the lowest point of their swings. Each is afraid that one vine will break, so they grab each other and hang on. They swing upward together, reaching a point where the vines make an angle of 27.0° with the vertical. (a) Find the value of the ratio m/M. http://www.jiskha.com/display.cgi?id=1258753951 http://www.jiskha.com/display.cgi?id=1258753939 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, acid-base neutralization, and oxidation... I'm confused http://www.jiskha.com/display.cgi?id=1258753939 http://www.jiskha.com/display.cgi?id=1258753261 Your company is a medium-size firm and leases two buildings. The two buildings are 800 meters apart. Each building has a 100BaseT Ethernet network. Required result: ¡ Connect the two separate networks. Optional result: ¡ The network needs to support a transmission rate of 1000 Mbps. ¡ Must be immune to interference. Proposed solution: ¡ Implement fiber-optic Ethernet. Which statement categorizes the proposed solution? a. It achieves the required result and both optional results. b. It does not achieve the required result but does achieve both the optional results. c. It does not achieve the required result but does achieve one of the optional results. d. It achieves the required result but cannot achieve either of the optional results. e. It achieves neither the required result nor either of the optional results. http://www.jiskha.com/display.cgi?id=1258753261 http://www.jiskha.com/display.cgi?id=1258753172 what type of reaction occures when a hydrochloric acid solution is mixed with a sodium bicarbonate solution? I chose gas evolution, but am wondering if it is acid-base neutralization instead. http://www.jiskha.com/display.cgi?id=1258753172 http://www.jiskha.com/display.cgi?id=1258752883 The current magnitude of the greenhouse effect is measured by the difference between the emission from the surface and the emission from the top of the atmosphere, G=¦ÒTs^4 &#8722;¦ÒTe^4 ¡Ö 150 W m-2. What would be the required magnitude of the greenhouse effect to maintain the surface temperature at 288K if the solar constatnt were reduced by 30%? By what distance would the effective emission level of the atmosphere need to rise if the lapse rate is approximately 6 Km -1? http://www.jiskha.com/display.cgi?id=1258752883 http://www.jiskha.com/display.cgi?id=1258752684 What gas is produced when hydrochloric acid is reacted with ammonium carbonate? http://www.jiskha.com/display.cgi?id=1258752684 http://www.jiskha.com/display.cgi?id=1258752673 Show that if the planetary albedo is 0.3, a change in solar constant of 1 W/m-2 results in a global-mean climate forcing of 0.175 W/m-2. http://www.jiskha.com/display.cgi?id=1258752673 http://www.jiskha.com/display.cgi?id=1258752604 Estimate the rate of freshwater mass production (kg s-1) b the melting of the North American ice sheet, assuming its melting took 500 years. How does this compare with the rate of deep-water formation in the North Atlantic, which is estimated to be about 2 x 10^10 kg s-1 at present? http://www.jiskha.com/display.cgi?id=1258752604 http://www.jiskha.com/display.cgi?id=1258752548 -6x&gt;1/13? http://www.jiskha.com/display.cgi?id=1258752548 http://www.jiskha.com/display.cgi?id=1258752510 ok,so for my essay , I have to 'extend' the definition of 'wisdom'. bobpursley gave me a link yesterday that had several quotes, all of which give a meaning. how can i use this to write my essay? I mean, I don't even understand how the essay is going to be written. How should i explain the different meanings of wisdom? thanks http://www.jiskha.com/display.cgi?id=1258752510 http://www.jiskha.com/display.cgi?id=1258752055 Create and describe your own Utopia, including its geography, laws, and customs. "Middletownopia" Middletownopia is a very peaceful and beautiful place to spend one's life. It is located on the southern part of the island Sandi Road. People come from all over the world to visit. The laws are very fair. The local people are so nice and polite that no one ever gets into trouble. If someone gets angry and causes trouble of any kind, they get two chances to resolve the matter or risk getting banned from the island. There are no cars, everyone walks to where they want to go because everything is close which in turn gets people in very good shape and in great health. If the local police catches someone not exercising for three days then they will be placed under a workout program where they have to run on a treadmill for one week straight. Every Monday there is a meeting to let everyone know what they did during the weekend, exchange cooking recipes and invite others to dinner. On Christmas, people draw straws to decide who gets to live in the towns' largest mansion for the week and they get together to celebrate the holiday. http://www.jiskha.com/display.cgi?id=1258752055 http://www.jiskha.com/display.cgi?id=1258751948 Help with my research essay!? I have this assignment I have to do and its a research essay. I was wondering if this was a good topic (not too broad or not too specific) for my essay: Behind fast food, or like does fast food take effect on obesity? I've chosen to do something about food, because well it's the next thing I would pick in the 'suggested topics' section on the assignment. If it's too broad please tell me how I can narrow it down more. Thanks. The essay needs to be at least 5-7 pages. URGENT, I NEED THIS NOW! Please.. http://www.jiskha.com/display.cgi?id=1258751948 http://www.jiskha.com/display.cgi?id=1258751674 besides oceans what is another example where salt water is found? http://www.jiskha.com/display.cgi?id=1258751674 http://www.jiskha.com/display.cgi?id=1258749472 How would I work this problem -6x&gt;1/3 6*13=78 x&lt;-1/78 http://www.jiskha.com/display.cgi?id=1258749472 http://www.jiskha.com/display.cgi?id=1258749468 breathing term that can make others mad http://www.jiskha.com/display.cgi?id=1258749468 http://www.jiskha.com/display.cgi?id=1258748930 Choose four of the emotional characteristics described on p. 375 of the text. For each of the chosen characteristics, identify what you believe is a healthy and appropriate emotional response for a child in infancy, early childhood, middle childhood, and adolescence. Counter the acceptable behavior with an inappropriate display of emotion for each stage of development. Post your response in 200 to 300 words http://www.jiskha.com/display.cgi?id=1258748930 http://www.jiskha.com/display.cgi?id=1258747708 I am still confused about the use of 'a couple of' For example, if a person says, 'I have a couple of pens,' does it mean he has two pens or he has two, three, or four pens? I know in a colloquial expression, 'a couple of' means two, three or four? Am I right? http://www.jiskha.com/display.cgi?id=1258747708 http://www.jiskha.com/display.cgi?id=1258747548 use thermochemical equations shown below to determine enthalpy for the reaction: H2CO3--&gt;H2O+CO2 1) H2CO3 --&gt; H2CO + O2 H; 224 KJ 2)H2CO + O2 --&gt; H2O + CO2 H; -100KJ I know this problem is one that you have to rewrite the equations to get the equation in the original question - but I am lost on how to go about it. Thanks!! http://www.jiskha.com/display.cgi?id=1258747548 http://www.jiskha.com/display.cgi?id=1258747543 use thermochemical equations shown below to determine enthalpy for the reaction: H2CO3--&gt;H2O+CO2 1) H2CO3 --&gt; H2CO + O2 H; 224 KJ 2)H2CO + O2 --&gt; H2O + CO2 H; -100KJ I know this problem is one that you have to rewrite the equations to get the equation in the original question - but I am lost on how to go about it. Thanks!! http://www.jiskha.com/display.cgi?id=1258747543 http://www.jiskha.com/display.cgi?id=1258747348 Hydrogen peroxide decomposes according to the following thermochemical reaction H2O2 --&gt; H2O +1/2 O2 ; H= -98.2 kJ calculate the change in enthalpy when 1.00 g of hydrogen peroxide decomposes. http://www.jiskha.com/display.cgi?id=1258747348 http://www.jiskha.com/display.cgi?id=1258747231 Determine mass of iron heated to 85.0 degrees C to add to 54.0 g of ice to produce water at 12.5 degrees C. The specific heat of iron is 0.045 J/g C. http://www.jiskha.com/display.cgi?id=1258747231 http://www.jiskha.com/display.cgi?id=1258747144 determine the final temp when 45.8 g of aluminum at -5.2 degrees C is added to a mixture of 45.0 grams of ice at 0.00 degrees C and 2000.0 g of water at 95.0 degrees C. http://www.jiskha.com/display.cgi?id=1258747144 http://www.jiskha.com/display.cgi?id=1258746861 How would I work this problem -6x&gt;1/3 http://www.jiskha.com/display.cgi?id=1258746861 http://www.jiskha.com/display.cgi?id=1258746471 why is sewage a problem and how have human activities contributed to this problem? http://www.jiskha.com/display.cgi?id=1258746471 http://www.jiskha.com/display.cgi?id=1258746450 add the following - 4/7 + [ -7/20] 7*20= 140 so -60/140 + - 49/140= 11/140? http://www.jiskha.com/display.cgi?id=1258746450 http://www.jiskha.com/display.cgi?id=1258745899 1. Will you lend me some money? 2. He lent me some money. 3. Can I borrow you some money? 4. Can I borrow some money from you? 5. I borrowed some money from him. 6. He borrowed some money from me. (Are the sentences grammatical? Would you like to check them?) http://www.jiskha.com/display.cgi?id=1258745899 http://www.jiskha.com/display.cgi?id=1258745435 "Give what you have, not what you want in the future"(This is the title) One weekend, my mother decided to visit her mother in Detroit. Upon getting to Detroit she gets word from a local resident that the city was damaged terribly by a huge storm. The local also adds that everyone was able to get out before the storm destroyed the place. Upon reaching their destination, the people are shocked to see that the shelter is only really able to support a certain number of people and not one person more. So the people of Detroit decide that they should just give up and go back home and live in a disastrous area rather than be over-crowded. Upon hearing the people say that they were going back home to live in the dissaster area, my mother tells everyone that they can probably live with her brother in his home. But after reaching her brothers' home, she realized that her brother would never allow tons of strangers to live with him and his family. After the locals find out they can't stay, they get angry and attack my mother while over her home. http://www.jiskha.com/display.cgi?id=1258745435 http://www.jiskha.com/display.cgi?id=1258745385 1. I want to ask you a favor;would you lend me your note? (Are the words 'favor' and 'note' properly used in this sentence? ) 2. This is a private hospital or residential home especially one for older people. What is this? It's nursing home. (Are the sentences correct? Does one mean 'a private hospital or residential home'?) http://www.jiskha.com/display.cgi?id=1258745385 http://www.jiskha.com/display.cgi?id=1258745360 The cost function for a firm is given by TC = 500 + Q2. The firm sells output in a perfectly competitive market and other firms in the industry sell at a price of $100. a) What price should the manger of this firm put on its product? b) What level of output should be produced to maximize profits? c) How much profit will be earned? http://www.jiskha.com/display.cgi?id=1258745360 http://www.jiskha.com/display.cgi?id=1258745332 How would I work this problem -6x&gt;1/3 http://www.jiskha.com/display.cgi?id=1258745332 http://www.jiskha.com/display.cgi?id=1258745097 3/0 =? the answer is 0 but my options are to solve the equation if possible or say the answer is undefined. Is 0 undefined? I have no clue what an undefined answer is http://www.jiskha.com/display.cgi?id=1258745097 http://www.jiskha.com/display.cgi?id=1258744845 What vegetable am i? lacey-leafed, tap rooted plants first grow in windswept highlands of afghanistan. Greeks used as a digestive tonic when they overeaten other foods.Lewis and clark concluded they must have been indigenous to north america. What vegetable native to afghanistan became a favorite of american indians? http://www.jiskha.com/display.cgi?id=1258744845 http://www.jiskha.com/display.cgi?id=1258744411 A 1.0 kg red superball moving at 5.0 m/s collides head-on with stationary blue superball of mass 4.0 kg in an elastic collision. What are the final velocities of the two superballs after the collision? http://www.jiskha.com/display.cgi?id=1258744411 http://www.jiskha.com/display.cgi?id=1258744233 A football coach sits on a sled while two of his players build their strength by dragging the sled across the field with ropes. The friction force on the sled is 800 N and the angle between the two ropes is 20°. How hard must each player pull to drag the coach at a steady 2.0 m/s? http://www.jiskha.com/display.cgi?id=1258744233 http://www.jiskha.com/display.cgi?id=1258744159 I need to represent an non physical enemy ( I can't just take a picture of somebody I don't like ) but I don't have any ideas on what to do, can anybody help me? http://www.jiskha.com/display.cgi?id=1258744159 http://www.jiskha.com/display.cgi?id=1258743878 i keep getting stuck and i think im missing something integrate by parts e^(bx) cos x dx thanks http://www.jiskha.com/display.cgi?id=1258743878 http://www.jiskha.com/display.cgi?id=1258743593 thankyou Ms Sue for your help the second to last link helped me alot. thanks again :) http://www.jiskha.com/display.cgi?id=1258743593 http://www.jiskha.com/display.cgi?id=1258743491 please could someone help me answer this question - can science prove that God does exist? thankyou http://www.jiskha.com/display.cgi?id=1258743491 http://www.jiskha.com/display.cgi?id=1258742567 The cost function for a firm is given by TC = 500 + Q2. The firm sells output in a perfectly competitive market and other firms in the industry sell at a price of $100. a) What price should the manger of this firm put on its product? b) What level of output should be produced to maximize profits? c) How much profit will be earned? http://www.jiskha.com/display.cgi?id=1258742567 http://www.jiskha.com/display.cgi?id=1258741092 for my assignment i need to write a report about the 1999 turkish earthquake. i need to include photos maps facts graphs and eye witness accounts. if anyone knows any good websites i will be truely grateful. i got my assignment today and have only got intil monday to complete it. thankyou :) !!!! http://www.jiskha.com/display.cgi?id=1258741092 http://www.jiskha.com/display.cgi?id=1258740796 how does understanding topic, language and organization help with writing skills? How can understanding the steps of the writing process help write more effectively? http://www.jiskha.com/display.cgi?id=1258740796 http://www.jiskha.com/display.cgi?id=1258740751 5) Combined leverage is concerned with the relationship between A. changes in volume and changes in EPS. B. changes in EBIT and changes in EPS. C. changes in volume and changes in EBIT. D. changes in EBIT and changes in net income. Answer (D) 6) The degree of financial leverage is concerned with the relation between A. changes in volume and changes in EBIT. B. changes in volume and changes in EPS. C. changes in EBIT and changes in EPS. D. changes in EBIT and changes in operating income. Answer is (B) I want to know is these two are correct http://www.jiskha.com/display.cgi?id=1258740751 http://www.jiskha.com/display.cgi?id=1258740469 When benzyl chloride is treated with sodium iodide in acetone, it reacts much faster than 1-chlorobutane, even though both compounds are primary alkyl chlorides. Explain this rate difference. http://www.jiskha.com/display.cgi?id=1258740469 http://www.jiskha.com/display.cgi?id=1258740154 if measurements show precise position for an electron can those measurements show precise momentum aslo? Explain http://www.jiskha.com/display.cgi?id=1258740154 http://www.jiskha.com/display.cgi?id=1258740132 You're the chairperson of the forms committee. Discuss the basic specifications of designing a form. http://www.jiskha.com/display.cgi?id=1258740132 http://www.jiskha.com/display.cgi?id=1258739727 from Feast of Fear: Conversations with Stephen King: ..."And I get paid to show people the different perspective. That's why people pay writers and aritists. That's the only reason we're around. We're excess baggage. I have no skill that improves the quality of life in a physical sense at all. The only thing I can do is say: "Look here, this is the way you didn't look at it before. It's just a cloud to you, but look at it, doesn't it look like an elephant?" Somebody says: "Boy! That does look like an elephant." And for that, people pay because they've lost all of it themselves. You know, I'm like a person who makes eyeglasses for the mind." In this, he seems to be saying that the artist's job is to look carefully and point out the things that they see. He also is making the point that people buy books because they've lost their own imaginations and need the author to show them new things. The activity: 'Write King a letter telling him how you feel about his interview. What do you think writers and artists do for us?' I'm not exactly sure what to write here...basically I think writers and artists help us to open up our imagination in ordinary things that seem bland to the eye; They help us explore places right from our home and they inspire us to imagine and dream. Is that alright? Thanks -MC http://www.jiskha.com/display.cgi?id=1258739727 http://www.jiskha.com/display.cgi?id=1258739663 In a perfect competitive market, industry demand is P = 850 – 2Q, and industry supply is P = 250 + 4Q (supply is the sum of the marginal cost curves of the firms in the industry). Assume that all the firms collude to form a single monopoly firm. There is no change in the demand or cost conditions of the industry. What are the economic effects (price and quantity) of such a change in industry structure? http://www.jiskha.com/display.cgi?id=1258739663 http://www.jiskha.com/display.cgi?id=1258739221 Entry of new airlines to the CARICOM region is severely restricted and as a consequence regional airlines charges higher airfares than US airfares for routes of comparable distances. An airline expert estimates the annual air travel demand between Trinidad and Antigua to be: Q = 1,000 – 10P; where Q is the number of trips in (000’s) and P is the one-way fare in US dollars. In addition, the long-run average cost (one-way) per passenger is estimated to be $50 Some economists have suggested that there is an implicit cartel among the regional air carriers under the shield of regulation. Based on the above, find the profit maximizing fare and the annual number of passenger trips. b)Suppose the Caribbean market was deregulated so that the routes become perfectly competitive, find the price and the number of trips for the Kingston-Georgetown route. http://www.jiskha.com/display.cgi?id=1258739221 http://www.jiskha.com/display.cgi?id=1258738665 From: Siegel, A.F. (1997). Practical Business Statistics, 3rd Edition. Irwin/McGrawHill. Case - Can This Survey Be Saved? "What's troubling me is that you can't just pick a new random sample just because somebody didn't like the results of the first survey. Please tell me more about what's been done." Your voice is clear and steady, trying to discover what actually happened and, hopefully, to identify some useful information without the additional expense of a new survey. "It's not that we didn't like the results of the first survey," responded Steegmans, "it's that only 54% of the membership responded. We hadn't even looked at their planned spending when the decision [to sample again] was made. Since we had (naively) planned on receiving answers from nearly all of the 400 people initially selected, we chose 200 more at random and surveyed them also. That's the second sample." At this point, sensing that there's more to the story, you simply respond "Uh huh . . ." Sure enough, more follows: "Then Eldredge had this great idea of following up on those who didn't respond. We sent them another whole questionnaire, together with a crisp dollar and a letter telling them how important their responses are to the planning of the industry. Worked pretty well. Then, of course, we had to follow up the second sample as well." "Let me see if I understand," you reply. "You have two samples: one of 400 people and one of 200. For each, you have the initial responses and followup responses. Is that it?" "Well, yes, but there was also the pilot study - 12 people in offices downstairs and across the street. We'd like to include them with the rest because we worked so hard on that at the start, and it seems a shame to throw them away. But all we really want is to know average spending to within about a hundred dollars." At this point, you feel that you have enough of the background information to evaluate the situation and to either recommend an estimate or an additional survey. Additional details for the survey of the 8,391 overall membership in order to determine planned spending over the next quarter are provided on the following page. Discussion Questions 1.Do you agree that drawing a second sample was a good idea? 2.Do you agree that the followup mailings were a good idea? 3.How might you explain differences among averages in the results? 4.Are there useful results here? Which ones are useful? Are they sufficient, or is further study needed? Pilot Study First Sample Second Sample Both Samples All Combined Initial Mailing Mailed 12 400 200 600 612 Responses 12 216 120 336 348 Average $39,274.89 $3,949.40 $3,795.55 $3,894.45 $5,114.47 Std. Dev. $9,061.91 $849.26 $868.39 $858.02 $6,716.42 Followup Mailing Mailed 0 184 80 264 264 Responses 0 64 18 82 82 Average $1,238.34 $1,262.34 $1,243.60 $1,243.60 Std. Dev. $153.19 $156.59 $153.29 $153.29 Initial and Followup Mailings Combined Mailed 12 400 200 600 612 Responses 12 280 138 418 430 Average $39,274.89 $3,329.73 $3,465.13 $3,374.43 $4,376.30 Std. Dev. $9,061.91 $1,364.45 $1,179.50 $1,306.42 $6,229.77 http://www.jiskha.com/display.cgi?id=1258738665 http://www.jiskha.com/display.cgi?id=1258738255 From: Siegel, A.F. (1997). Practical Business Statistics, 3rd Edition. Irwin/McGrawHill. Case - Can This Survey Be Saved? "What's troubling me is that you can't just pick a new random sample just because somebody didn't like the results of the first survey. Please tell me more about what's been done." Your voice is clear and steady, trying to discover what actually happened and, hopefully, to identify some useful information without the additional expense of a new survey. "It's not that we didn't like the results of the first survey," responded Steegmans, "it's that only 54% of the membership responded. We hadn't even looked at their planned spending when the decision [to sample again] was made. Since we had (naively) planned on receiving answers from nearly all of the 400 people initially selected, we chose 200 more at random and surveyed them also. That's the second sample." At this point, sensing that there's more to the story, you simply respond "Uh huh . . ." Sure enough, more follows: "Then Eldredge had this great idea of following up on those who didn't respond. We sent them another whole questionnaire, together with a crisp dollar and a letter telling them how important their responses are to the planning of the industry. Worked pretty well. Then, of course, we had to follow up the second sample as well." "Let me see if I understand," you reply. "You have two samples: one of 400 people and one of 200. For each, you have the initial responses and followup responses. Is that it?" "Well, yes, but there was also the pilot study - 12 people in offices downstairs and across the street. We'd like to include them with the rest because we worked so hard on that at the start, and it seems a shame to throw them away. But all we really want is to know average spending to within about a hundred dollars." At this point, you feel that you have enough of the background information to evaluate the situation and to either recommend an estimate or an additional survey. Additional details for the survey of the 8,391 overall membership in order to determine planned spending over the next quarter are provided on the following page. Discussion Questions 1.Do you agree that drawing a second sample was a good idea? 2.Do you agree that the followup mailings were a good idea? 3.How might you explain differences among averages in the results? 4.Should the pilot data be included? Why or why not? 5.Are any or all of the results here useful? How would you treat the data that has been collected? What additional data collection, if any, would you do? Pilot Study First Sample Second Sample Both Samples All Combined Initial Mailing Mailed 12 400 200 600 612 Responses 12 216 120 336 348 Average $39,274.89 $3,949.40 $3,795.55 $3,894.45 $5,114.47 Std. Dev. $9,061.91 $849.26 $868.39 $858.02 $6,716.42 Followup Mailing Mailed 0 184 80 264 264 Responses 0 64 18 82 82 Average $1,238.34 $1,262.34 $1,243.60 $1,243.60 Std. Dev. $153.19 $156.59 $153.29 $153.29 Initial and Followup Mailings Combined Mailed 12 400 200 600 612 Responses 12 280 138 418 430 Average $39,274.89 $3,329.73 $3,465.13 $3,374.43 $4,376.30 Std. Dev. $9,061.91 $1,364.45 $1,179.50 $1,306.42 $6,229.77 http://www.jiskha.com/display.cgi?id=1258738255 http://www.jiskha.com/display.cgi?id=1258737056 [3-7(1-8)] parentheses first 1-8= -7 -7*-7= 49 3-49= -46 am I correct? http://www.jiskha.com/display.cgi?id=1258737056 http://www.jiskha.com/display.cgi?id=1258736517 Compare and contrast the societies, governments, and economies of both North and South Korea. This is what I got: Since 1945, the Korean Peninsula has been divided into two countries: North and South Korea. North Korea, which is also known as The Democratic People’s Republic of Korea, is a Communist country while South Korea, or The Republic of Korea, has a non-communist government. North Korea, with about 23 million people, is less densely populated than South Korea. Because it’s located near the Asian mainland, North Korea is influenced by close continental climate regions. In comparison, South Korea has about 45 million people and is one of the most densely populated countries in the world. It is less mountainous that North Korea and has broad, rolling plains. South Korea is also better suited for agriculture than North Korea because of its land and warmer climate. In 1953, South Korea was economically at a disadvantage; the finest industries and hydroelectric plants were in Communist North Korea, and South Korea was swarming with exhausted refugees. Communist states became North Korea’s new trading partners and South Korea allied itself with the US and Japan. With aid from its new economic partners, South Korea became industrialized. To solve its energy problems, South Korea built nuclear power plants and the country witnessed a remarkable rate of economic growth in the passing years. South Korea also experienced the development of a new middle class, and an increase in its role in international trade and politics. Today South Korea is a major exporter of textiles, clothing, automobiles, and electronic goods. Under Communist leadership, North Korea has continued to evolve from an agricultural to an industrial society. Despite the fact that it has greater natural resources than South Korea, North Korea has a lower standard of living. The economy of North Korea has been declined, mainly because only the government decides what and how much to produce. Is this OK? Thanks -MC http://www.jiskha.com/display.cgi?id=1258736517 http://www.jiskha.com/display.cgi?id=1258736440 Babe Ruth's lifetime betting averge was .343. In three times at bat, what is the prbability of the following? a. he gets three hits b. he gets no hits c. he gets at least one hit. d. he gets exactly one hit http://www.jiskha.com/display.cgi?id=1258736440