i need the exat percentage of nitrogen in magnesium nitride
44,388 results, page 89

Physical Science
HELP WITH THESE PLEASE! If you ride your bike at an average speed of 4km/h and nee to travel a total distance of 28 km, how long will it take you to reach your destination? A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2kg ... 
math
Determine if the argument is valid or invalid. Give a reason to justify answer. If it is cold, then you need a coat. You do not need a coat. It is not cold. (Points : 2) Valid by the law of detachment Valid by the law of contraposition Invalid by fallacy of the converse ... 
maths
Jose has a fish tank that measures 11.8 inches wide, 19.7 inches long, and 15.7 inches deep. He empties it halfway to clean it. To refill it when he is done, he will fill a onegallon jug in the sink and carry it to the tank, pour it in, and then return to the sink again. 1)... 
English/ Help
Choose the sentence that does not include a usage error. A) Because the student did not see any author information on the website, he incorrectly implied that he did not need to credit the source in his assignment. B) Because the student did not see any author information on ... 
Economics
I am having problems answering the question below can you please help? With probability p, you will catch a disease that reduces your income from y, its level when you are healthy, to yk, where k > 0. A vaccine is available, at cost c, that reduces the probability of your ... 
Biology
I have to draw a labelled diagram to show the chromatids of a diploid cell at the end of anaphase I of meiosis for a person who is heterozygous for both characters. (both characters being Huntingdon disease(H) on the short arm and red hair gene(R) on the long arm.) I know that... 
physics
REALLY NEED HELP WITH THIS PLEASE. One gram of palladium has 5.66×10^21 atoms, and each palladium atom has 46 electrons. How many electrons are contained in 7.00g of palladium? The elemental charge is1.6×10^−19C. Answer in units of electrons. The answer is 1.82252x10^... 
chemistry
The amount of organic carbon in a sample can be obtained by IR analysis of the carbon dioxide (CO2) released following complete combustion of the sample in oxygen. A reference sample of an organic compound is usually used to calibrate the instrument response. In an analysis of... 
Hum/205
I need help writing my final. Write a 1,750 to 1,900word paper that represents three chapters from your new book. Each chapter will contain an analysis from the period you selected. Remember to write in the first person perspective of an art historian who has experienced the... 
Math
You need adobe flash player to access the link. The learn alberta username is LA57 and password is 2149. Go to T4T courses, put grade 11 then math. Then the resources show up. Click 201 learn everywhere. I need help on the Mars Rover Simulation questions. 7. a. Find the ... 
science
In this lab, we will be looking at Indian Corn that is the result of two parents. The parents were both Yy Ss. Y is yellow, y stands for white. The Yellow trait is dominant. S is smooth, s is shrunken. Smooth is dominant. Before we start, we need to list the possible gametes ... 
Maths
A large school in the UK offers its pupils the opportunity to learn several nonEnglish languages. It turns out that: • 55% of pupils in this school choose to learn French; • of the pupils who learn French, 40% also learn German. (c) Additional information is now given ... 
math
Charlie decides he is going to have some friends over for pizza. He estimates that each friend will eat 3 pieces of pizza and knows that East Slide's large pizzas each have 8 slices. How many large pizzas does he need to order if he invites 9 friends? question a how many ... 
Calculus
Use the Linear Approximation to estimate ∆f=f(3.5)−f(3) for f(x)=2/(1+x^(2))? Δf ≈ Estimate the actual change. (Use decimal notation. Give your answer to five decimal places.) Δf= Compute the error and the percentage error in the Linear ... 
physics help
A bar made of a particular metallic alloy has a length of 10 cm at a temperature of 24 oC and a length of 10.015 cm at the boiling point of water. (a) If a second bar made of the same material were 10 m at 24 oC, how much longer would this bar be at the boiling point of water... 
physics
A bar made of a particular metallic alloy has a length of 10 cm at a temperature of 24 oC and a length of 10.015 cm at the boiling point of water. (a) If a second bar made of the same material were 10 m at 24 oC, how much longer would this bar be at the boiling point of water... 
SpanishCheck please! I need help
Please checkI'm having a problem interpreting these questions and I have to answer them for homework. Could you please check my translation I'm not sure what these questions mean and I have to answer them for homework ¿Qué necesitas para comer en cereal?does this ask what I... 
Math
Can you please check my answers? Thank you! 18 out of 25 people love chocolate what percentage of people do not love chocolate? I got 28% 15% of the Chemistry class did not pass their chapter 7 test if the class has 38 students how many students did not pass their chapter 7 ... 
Law and Ethics
I need to compare and contrast contributory negligence with comparative negligence. Please check what I have so far and let me know what I may need to and or take a way etc thanks so much for your help Both contributory and comparative negligence deals with the fact the the ... 
PE
Not exactly a question but still considered as homework i need help with. Thanks in advance for answering if you do, its a great help. Ive been given a task to survey people about excercise and fitness. The answers don't have to be long but please atleast write a sentence for ... 
algebra
Carla and robena sell game tickets. they have already sold 95 student tickets. Carla says that they need to sell 252 adult tickets to reach the goal of $3000. robena says that they need to sell 253 adult tickets to reach the goal. who is correct? explain your reasoning 
english
24. identify the word or words in the sentence that need to be capitalize will you be coming o the stadium to watch the giants play sunday? a. Will,Sunday b. Will,Gaints,Sunday** C. Will D. none 23. Identify the word or words in the sentence that need to be capitalize does ... 
Lit
I have to write a short story based on the themes Shakespeare explored in Macbeth. I have what I want to write about but I need help turning it into a short story. I don't need any links about short stories please, I know how to look up how to write short stories. I'm not ... 
Statistics
Age at onset of dementia was determined for a sample pf adults between the ages of 60 and 75. For 15 subjects, the results were SumX=1008, and Sum(XM)^2=140.4. Use this information to answer the following: a. What is the mean and SD for this data? b. Based on the data you ... 
Statistics
Age at onset of dementia was determined for a sample of adults between the ages of 60 and 75. For 15 subjects, the results were SumX=1008, and Sum(XM)^2=140.4. Use this information to answer the following: a. What is the mean and SD for this data? b. Based on the data you ... 
physics
an 6lb object is hanging from a 10lb object which in turn is hanging from a ceiling. need to find tension(T1) of rope from ceiling to 10lb object and tension(T2) from the 10lb object to the 6lb object. please, need assitance in trying to set up the problem. thanks Tension is a... 
Can some1 read over my application paragraph?
Topic: what do u see in the future of washington (state) My vision of the future Washington is merely an abstract idea. I wish to study Law and Political Science to eventually become some kind of activist, whether it is lobbying, or advocate in some trivial parttime ... 
nutrition and wellness
hi, i'm learning about the 3 pathways of energy: The ATPCP system, The anaerobic glycolysis system, (also called the lactic acid system because lactic acid is a byproduct of this metabolic energy pathway, and the aerobic system. i need to provide three examples of sporting ... 
Science 1 question SPACE
I reposted this question because noone helped and I need help fast! I am doing a project on the planet uranus and I need a map showiong the path to my planet that i have chosen. The picture of the path must include asteroids, comets or other interesting objects. I am having ... 
physics question
Due to electric effects on the earth and in the atmosphere, there is an electric field near the earth's surface that points down. Assuming the electric field is uniform with a magnitude of 150 N/C, what charge would a 145g baseball need to float as though it were weightless? I... 
spanish
La a personal When should you use the personal a? Decide whether or not you need to use the construction in the following sentences. Don’t forget that a + el = al! If the personal a is not required, leave the field blank. 1.Yo no conozco Bogotá. 2.Mis amigos conocen mi ... 
Chemistry
I posted this before and I know now to use P1T2=P2T1 but I was wondering what I would plug in as pressure and temp? just an example of one would be so great. In each of the four problem in this section, all gases are measured at the same temperature and pressure. 1) (a) What ... 
math help..STEVE
Hi i need help on this Test, near my answers! hopefully they show uP! THANKS SOOOOOOO MUCH *huggy* Write a ratio and a percent for the shaded area. a 4 x 5 grid with 6 blocks shaded (1 point) 6 over 25, 30% 3/50, 6% 6 over 25, 24% 3/10, 30% 3. Write the ratio as a percent. In ... 
math
how would you simplify y= (x^532)/(x2)? I know that it would equal (x^52^5)/(x2), but what's the next step? It wouldn't be just (x^42^4), would it? kristie, in general I think you can prove (xa)(x^n  a^n); read (xa) divides the expression on the right of ''. You ... 
probability
Two questions: 1. Assume a building has two independent security alarm systems. The first system works for 80% of the time and the second works 70% of the time. What percentage of time is the building protected by at least one security alarm system? Please explain. 2. There ... 
Repost Repost Bio
I asked this, and didn't get a very helpful response. Question: hi, i did this lab, from this website and I was wondering if anyone could come up with 3 sources of error, and they can't be human error. Thanks! You are saving me! Seeing as I am not allowed to post to the ... 
Finance
Strategic Initiative I have chosen amazon store online as my company. I need to come up with an intro and conclusion i have the body of the paper. Within these 2 paragraphs i need to describe the relationship between strategic and financial planning. How does the initiative ... 
computers
why do we need computer ethics? Why should we need ethics at all? The next question is why should computers change that? that doesnt answer me question Actually, it does. Think. Are you clear on the meaning of the word "ethics"? http://www.answers.com/ethics Then translate ... 
English (URGENT)
How many paragraphs does a literary review have? This is a writing assignment for Grade 12 English. I need to write literary review on an article I find on the internet. I have an identification paragraph that talks about the author's credentials. Then I have a paragraph that ... 
Math  TwoStep Inequalities  Please Help
I need help with this one, please. Which of the following is in the solution set of the inequality –3 > –3t + 6? A. 1/3 B. 1/3 C. 4 D. 4 I did a PreTest for my lesson, and it says I got this one wrong. However, it doesn't say which one I picked. For this one, is C ... 
Statistics (46)
The 2003 Statistical Abstract of the United States reported the percentage of people 18 years of age and older who smoke. Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of .30. a. How large a ... 
Economics (45)
The 2003 Statistical Abstract of the United States reported the percentage of people 18 years of age and older who smoke. Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of .30. a. How large a ... 
statistics
The 2003 Statistical Abstract of the United States reported the percentage of people 18 years of age and older who smoke. Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of .32. a. How large a ... 
Math 221
I need to check and see if this is correct? 1). The first equation that I am using for my discussion is: y=x+4 and the parallel must past through this given point (7, 1) y=x=4 is the equation and (7, 1) is the ordered pair y=x+4 Since I want the new line parallel, I need to... 
Business
4. Which one of the following philosophies makes every employee a quality inspector for his or her own work? A. Six sigma C. Kaizen B. Quality at the source D. TQM 5. According to Maslow’s theory, what happens when a need is satisfied? A. The need disappears and won’t ... 
Math
Gabby has 130 insects in her bug collection that have wings and 70 that have pincers. She wants to buy a display case for her collection, but is unsure how many she will need. Each display case should have an equal number of insects with wings and pincers. How many display ... 
physics
1. a) using heat exchange and conservation of thermal energy determine the specific latent heat of fusion for ice. b) determine the percentage error The data we determined was: Hot water: mass  0.1kg initial temp87C final temp  56 C Melted ice: mass  0.024 kg Initial temp... 
Chem
A sample contains an unknown amount of tartaric acid, H2C4H4O6. If 0.3888 g of the sample requires 37.74 mL of 0.1000 M NaOH to neutralize the H2C4H4O6 completely, what is the percentage of H2C4H4O6 in the sample? The molar mass of H2C4H4O6 is 150.09 g/mol. The balanced ... 
Physics need work checked
Physics lenses. Please help, my math is wrong and I need second opinion.? Consider three lenses with focal lengths of 25.9 cm, 15.8 cm, and 10.0 cm positioned on the x axis at x1 = 0 m, x2 = 0.412 m, and x3 = 0.514 m, respectively. An object is at d = 121 cm. Find the ... 
Research Writing
I have to pick a topic and list argument and counterargument for a research paper (com 220 class). I would like to write about the death penalty, I just need help chosing a pro and con to write about. I believe I need more detail than just saying my topic will be the pro's ... 
Social Studies
1. What were Andrew Jackson's hopes and dreams for the future? 2. How did Andrew Jackson work to change the United States? 3. How did Andrew Jackson react to key events happening in the United States? 4. Were there any key events in Andrew Jackson's life that helped shape his ... 
i need help,math
okay i am completely lost after reviewing everything my mind is blank cans some one help me with the steps. Solve by completing the square x^2=5x+2 1st: You need to bring the 5x+2 to the other side so you have x^25x2 2nd: Find the values to where when multiplied equal 2 and... 
human services
how might a human services worker need to adapt their communication approach from one individual to the next? The key to this question is the word "individual". Any time you are working with people, to be effective you MUST consider each individual as a special person. What do... 
english
need help proofreading this acrostic poem Helping people in need of medical attention. Opening doors for people seeking refuge from their sickness. Serving anyone no matter their background. Providing patients information of good or bad news. Illnesses are treated with the ... 
TO MS SUE Essay help
I have to write a essay about the confederation of Canada in 1867 and why it was a good choice. I have all of my body paragraphs done but I'm having trouble thinking of a proper introduction. My first sentence for my intro is: confederation was the best choice for the British ... 
Calculus
Suppose you throw an object from a great height, so that it reaches very nearly terminal velocity by time it hits the ground. By measuring the impact, you determine that this terminal velocity is 49 m/sec. A. Write the equation representing the velocity v(t) of the object at ... 
English Miss Sue
1.Revise the following sentences so that the subject and verb of each sentence identify key actors and actions: •The dedication of professors to multiculturalism is crucial to encouraging students of all races to succeed. •Currently, the percentage of fulltime African... 
Information and Software Technology
Hey guys just needed to clarify on some key points on Artificial Intelligence. What are the types of AI? I think it's weak and strong but i was confused whether its demons, agents, expert systems etc. Also what are some of the social and ethical implications of AI? ^^I need ... 
STATS
Scientists wish to test the mindreadiing ability of a person who claims to have ESP. They use five cards with different and distinctive symbols( square, cicrle, triangle, line, squiggle). Someone picks a card at random and thinks about the symbol. The mindreader must ... 
Art
Does "top up the phone" mean put money on your account? Can you give me an example, Writeacher? I need to include two or three more sentences on mobile phones, Writeacher. Could you please help me? 1) Parents have to shoulder responsibility for their children's misbehaviour. 2... 
Education
Hello! I'm working on a lesson plan on the Sum of the Angles of a Polygon. I know the whole process involves finding how many triangles there are (#of sides minus 2) and then multiplying by 180degrees. But my focus on this lesson plan is on 5th grade students. How much detail ... 
statistics
The Dean of a university claims that no more than 10% of the students drop out of university. She chooses a random sample of 500 students and decides that she will accept the claim only if no more than 25 of the 500 students drop out of university. In fact her claim is true  ... 
Developmental Language
I have a couple of questions I need with. I asked this question yesterdayand although I received a reply I never received conformation. 1.Is this an example of underextension or overextension? Davis went to the park with his Dad and their dog,Sport. Davis saw lots of other ... 
Lang Arts
Have you read this book called the outsiders well i need to do an oral presentation on it Here is a poem i need to know how this poem relates to the story and some other details with evidence from the story. Poem: Nothing Gold Can Stay Natures first green is gold Her hardest ... 
Lang Arts
Have you read this book called the outsiders well i need to do an oral presentation on it Here is a poem i need to know how this poem relates to the story and some other details with evidence from the story. Poem: Nothing Gold Can Stay Natures first green is gold Her hardest ... 
Statistics
Assume that the points scored by the winning teams for all NCAA games follow a bellshaped distribution. Using the mean of 76.5 and the standard deviation of 7, estimate the percentage of all NCAA games in which the winning team scores 84 or more points. 90 points. The winning... 
" CHIT FUNDS " (need help with this eco topic)
ey , i need some help with the topic " CHIT FUNDS " anyone with any idea mail me please the project is due the day after tomorrow http://www.chitfund.com/subscriber.html The Chit Fund scheme in India is somewhat like our Credit Union system. 
Math
Hi guys! I am desperately in need of help. I really need to do good on this test but I am uncertain if I am doing this portion correctly. Can someone check my work? 11. Which inequality matches the graph? (The dot on the graph is at 1 and the arrow is pointing that way <... 
Writing inequalities
you must have an average score of at least 80 to get a B on your report card. You have scores of 61,70,99, and 70. What is the minimium score you must get on the last test to get a B on your report card? how do you work this problem out? You have four test scores. You need 5 ... 
algebra review!
it says write the equation of the vertical line that passes through the point (7,3). what do i need to start it off? find the equation for the line with undefined slope and passing through the point (1,2). what do i need to start that off? what equation do i use to find the... 
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 fulltime job less than 2 years. a. Assuming that 50% is the true ... 
Grade 6, percentage
A survey conducted in a school showed that 65% of the pupils walked to school.the remaining number of pupils took buses to school the ratio of the number of pupils who took school buses to those who took public buses was 4:3.there were 360 more pupils who walked than those who... 
computer science
Write a java program that reads from the user the course code, section and the scores of a student for three exams representing two midterms and a final. The percentage of each of the three exams is of fixed value 30, 30 and 40 percent respectively. Your program computes the ... 
gen105
I need hel for both classes on my las assignmet I need to create a student survival guide for gen 105. this is the assignment: Compile a 1,000 to 1,250word survival guide that will serve as a resource for you throughout your program. Using what you have learned in class, ... 
Math
Need help please! I just need help with creating an inequality and solving it. Ethen considers some fundraisers for the upcoming year. He looks at data from the first fundraiser the club did last year. The club sold a variety of snacks last year. The numbers of snacks sold are... 
chem
i have several problems i am caught on for my homework. I appreciate any help 1. As milk spoils, rancid components begin to coagulate. This could be interpreted as a: a.a colloid forming a suspension. b.solution forming a colloid. c.solution forming a suspension. d.suspension ... 
PHI 103
Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed the test than students ... 
English
1. She like to be idle and watch TV all day long. 2. She like to be lazy and watch TV all day long. 3. I need to examine your teeth, so open your mouth wide, please. 4. I need to check your teeth, so open your mouth widely, please. ================= Which expressions are ... 
Philosphy
Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed the test than students ... 
english
School Food Gets Good…Real Good! During the years food has been the same. Pizza, meatballs, pasta or even peanut butter and jelly. Don’t you want some good foods? Like real rice and beans, plantains etc. Frozen food has taken over our food . About 75% of kids in our school... 
Statistics
study looked at the effects of light on female mice. Fifty mice were randomly assigned to a regimen of 12 hours of light and 12 hours of dark (LD), while another fifty mice were assigned to 24 hours of light (LL). Researchers observed the mice for two years. Two of the LD mice... 
Stat
1. For the following scores, X Y 1 6 4 1 1 4 1 3 3 1 Sketch a scatter plot and estimate the value of the Pearson correlation. b. Compute the Pearson correlation 2. For the following set of scores, X Y 6 4 3 1 5 0 6 7 4 2 6 4 a. Compute the Pearson correlation. b. Add 2 points ... 
Maths
I need to solve these anagrams of famous mathematitions PHRYGATOAS ADSHERECMI TFMARE GABBEBA COBFIICAN GHETGNINLAI LUDECI PRANIE LLCAOVEE The first one is PYTHAGORAS. For names of other famous mathematicians, check this site: http://yahooligans.yahoo.com/School_Bell/Math/... 
chemistry
Given: [SO4^2] in a 0.2M NA2SO4 solution How do I express this in meq/l? There are .2*2 equivalents per liter, so there must be 1000 times that of meq/l. If you want it in grams, that is another conversion. So, the answer would be 400 meq/l. Do you need to do something with ... 
SpanishMath
I need to be able to help my 8 year niece with her homework. I don't know Spanish. Need to have these questions translated, not answered. Can you help? Q1: Myra Compra una pecera y algo de equipo. Gasta $59 en la pecera, $125 en la bomba de aire y $38 en la lampara. ¿Cuánto ... 
11th grade visual art
first of all this is my first time so i don't know if i am doing it right. I need help i have holiday homework that i need to do but i cant find good enough info for question 1 and i don't understand how to do question 2 below i will write homework exactlty the same as i have ... 
Grade 10 Physics (Acceleration, Speed, Time)
I just need someone to check my answers to this one review question.. Exams are tomorow so i need them to be checked quickly. An Octopus accelerates at a rate of 0.65m/s/s for a time of 4.8s. How much will the speed of the octopus change? We are trying to find change in speed... 
statistics
in a class of 40 student,18 pass maths, 19 pass account,16 pass economics 5 pass maths and account only, 6 pass maths only, if each student pass at least one of the subject.find the percentage number who fail in at least one of economics and maths. how many student fail in all... 
Health Help?
1. A percentile rank represents the percentage of people who scored at or below the test score. True False 2. People who have high resting heart rates usually have high levels of cardiovascular fitness. True False 3. Resting heart rate is usually measured when you awake, ... 
College Physics
A particle is moving in the xy plane with constant acceleration. At t=o, the particle is given by x=4m, y=3m, and has a velocity v=2m/s xhat  9m/s yhat. The acceleration of the particle is given by a=4m/s^2 xhat + 3m/s^2 yhat. Find the velocity vector at t=2 seconds. My ... 
Biology
14. The major components of a DNA molecular subunit are a. a chromosome, deoxyribose, and double helix b. a fivecarbon sugar, phosphate group, and a nitrogencontaining base c. adenine, guanine, cytosine, and thymine d. all of the above D? 16. During DNA replication, all of ... 
Statistic
Final averages are typically approximately normally distributed with a mean of 78 and a standard deviation of 11. Your professor says that the top 6% of the class will receive an A; the next 24%, a B; the next 41%, a C; the next 18%, a D; and the bottom 11%, an F. (Give your ... 
fin/370
The target capital structure for Jowers Manufacturing is 51% common stock, 20% preferred stock, and 29% debt. If the cost of common equity for the firm is 20.8%, the cost of preferred stock is 11.8%, and the before tax cost of debt is 10.8%, what is the cost of capital? The ... 
Social Studies
We are doing this project for social studies, where each group gets a portion of Europe and basically make up their life their and stuff. So, I have the Southeast part and need to make the trade and commerce part. He said we could use what they really do, or we could make up ... 
7th grade science Ms. Sue please
2. The smallest unit of life is the _____. (1 point) cell homeostasis organism protein 3. The nucleus is the largest of the _____. (1 point) chloroplasts mitochondria organelles ribosomes 6. Which is not found in animal cells? (1 point) central vacuole cytoskeleton rough ... 
Math
I need the steps and an example for chaning a fraction to a percent. I also need the steps and an example for chaning a decimal to a percent. The last one I need is chaning a percent to a fraction and a decimal. ThankYou, If you can only answer one of them that would be great... 
History
1. What motivated Bismarck to enact reforms in Germany? 2. What kind of reforms were inacted in Germany and Britian? My answers: 1. Bismarck wanted Germany to be more united and when nationalism spread through Germany it helped Germany become a leading industrial power. 2. I ... 
Statistics
2. (TCO 5) A company produces electronic equipments claims that 98% of their products never need any kind of maintenance. We selected 10 of their products and we wanted to know the probability that 8 of them never need maintenance. Choose the best answer of the following: (... 
math
The ratio of Juma’s and Akinyi's earnings was 5:3. Juma’s earnings rose to shilling 8400 after an increase of 12%. Calculate the percentage increase in Akinyi’s earning given that the sum of their new earnings was shilling 14100. (b) Juma and Akinyi contribute all the ... 
English
Writeacher, I urgently need your help to check a few things. 1) Which of them is the girl to whom you are enganged? 2) Paris, which I visited las year, is one of the most romantic cities I've been to/to which I've been/where I've been/where I've stayed/which I've been to/in ...