# i need the exat percentage of nitrogen in magnesium nitride

44,388 results, page 88

1. ### English (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 ...
2. ### Chem (ques 2)

The analysis of some household cloudy ammonia cleaner involved diluting a 50.0mL sample of the cleaner to a volume of 250.0mL then titrating this diluted solution. The diluted sample was found to have an NH3 (aq) concentration of 0.350 mole per L. What is the percentage by ...
3. ### maths exponential functions

I have a maths assignment and i need help with this question my teacher is overseas at the moment and it is due when he gets back The Population P, of penguins in a certain region of Antarctica can be modeled by the relation P=Po (2) t/90, where t is time, measured in months ...
4. ### Chem Need Help

I really need help with this question? You have a 12.01 g sample of carbon. The average mass of a carbon atoms is 1.994 x 1023 g. How many carbon atoms are in the sample? (round the number to 2 decimal places) (if you get a superscript, place a ^ before the superscript) (if ...
5. ### History- Vietnam war

I have a debate coming up, and I got the worst side and topic possible. I need to debate that the Vietnam War was not an example of Imperialism. I've learned the definition of Imperialism, and I have also gone through the arduous task of learning the history of the Vietnam war...
6. ### physics

the first law of thermodynamics can be expressed with the equation ΔU=ΔQ+ΔW where ΔU is the change of internal energy,ΔQ is the heat supplied to the system. Apply the first law to the brakes of a train as the brakes are applied and the train ...
7. ### Math-reasoning

A farmer wants to build a straight fence with a post every 7 feet. Each end has a post. For a fence that is 49 feet long, how many posts will the farmer need? Describe the quantities given Tell how you can show the relationships in the problem Solve and explain your reasoning ...
8. ### Math

Students are given three chances to pass a basic skills exam for permission to enrol in Calculus. Sixty percent of the students pass on the first try, of those that fail on the first try, fifty four percent pass on the second try, and of those remaining, forty eight percent ...
9. ### CIS 105

Here is the assignment: Use information and data obtained from at least four reliable internet sources to produce a 12- to 15-slide PowerPoint® presentation about multimedia tools that aid classroom instruction. Include details about how each might influence learning. ...
10. ### Math

Hello, I need a little assistance with showing my work on this question. The equation is -4 7/8 x 2/3. I have to explain how this person is wrong then show the work the correct way. Okay so the person's work is written as, "-4 7/8 x 2/3 = -4 14/24 = -4 7/12" So, I have to ...
11. ### Math

You are a share analyst for an investment firm and are investigating the return on shares in the Eastern Mining Corporation over the last four years. The return on Eastern Mining Corporation shares over the last four years is presented. Calculate the geometric mean rate of ...
12. ### stats

You are a share analyst for an investment firm and are investigating the return on shares in the Eastern Mining Corporation over the last four years. The return on Eastern Mining Corporation shares over the last four years is presented. Calculate the geometric mean rate of ...
13. ### Science

where can I find info on diseases of the circulatory system??? Please help!!!! http://en.wikipedia.org/wiki/Cardiovascular_disease Please help! I need a good website for heat in science! I'm in 8grade and I need info on heat
14. ### MATH(Statistics)

Students are given three chances to pass a basic skills exam for permission to enrol in Calculus. Sixty percent of the students pass on the first try, of those that fail on the first try, fifty four percent pass on the second try, and of those remaining, forty eight percent ...
15. ### math

1) It takes 4/3 cans of paint to paint 12/3 lockers in the 7th grade hallway.How many cans does it take to paint one locker? a. 48/9 cans B. 36/12 cans C. 1/3 cans D. 9/48 cans 2)Carlos is adjusting a balance of scale that reads -0.45kg.He will need to add the opposite of this...
16. ### PHYSICS PLEASE HELP

An astronaut in his space suit and with a propulsion unit (empty of its gas propellant) strapped to his back has a mass of 134 kg. During a space-walk, the unit, which has been completely filled with propellant gas, ejects some gas with a velocity of +32 m/s. As a result, the ...
17. ### Canadian History

Hello i need 8 events that happend in canada, i need to no when it happend to, im makeing a canadian time line, if any one could give me a site to thnx... http://www.google.com/search?q=canadian+history+timeline&start=0&ie=utf-8&oe=utf-8&client=firefox-a&rls=org.mozilla:en-US:...
18. ### chemistry

Can someone please help me with these? How many electrons would Nitrogen, Aluminum, and Bromine gain or lose? Look at the periodic table and find N, Al, and Br. You should find N in group VA (or 15 depending on the system being used), Al in IIIA (or 13), and Br in VIIA (or 17...
19. ### Algebra 1A

I need some help with collecting data to graph how fast others can say the tongue twister (The sunshade sheltered Sarah from the sunshine). I need help with making a table of the data. I am uncetain if each person is to say the tongue twister once and I time how many seconds, ...
20. ### HELP!!!!EMERGENCY WITH THE POEM!!!

do anyone knows a poem named "Instruction for Joining a New Society", which about the desire to become an American? I need this poem immediately!!! Thank you for using the Jiskha Homework Help Forum. If that is the title, I find nothing! If you have either the title or the ...
21. ### Chemistry

I need help with two problems need helps please!! 1) Calculate the surface area in nm^2 of a water solution contained in a watch glass with a diameter of 5.6cm. Remember that the area of a circles is calculate as A=πr2 and diameter= 2r 2) If a molecule of stearic acid ...
22. ### math(urgent)

During a Merdeka Day celebration,a furniture company marked down the price of a queen size bed by 25%,selling it for \$1200. At this reduced selling price,they made a markup of 10% on the selling price. a) find the regular price of bed before marked down. b) find the cost of ...
23. ### PERSONAL FINANCE / composition

Ok, need another set of eyes... Here is a question I had to answer. Want to get a second opinion if it reads well, and makes sense. Thanks for any comments. What things do you take into consideration when beginning to plan for investments? Why is it important to understand ...
24. ### Biology Help Please!

1) You are going to make 1800ml of a 25uM solution using a compound whose MW= 60.06 Daltons. How many grams do you need of this compound? Give your answer with four decimal places. 2) You are going to make 300ml of a 75mM solution using a compound whose MW=818 g/mole. How many...
25. ### Chemistry Help Please!

1) You are going to make 1800ml of a 25uM solution using a compound whose MW= 60.06 Daltons. How many grams do you need of this compound? Give your answer with four decimal places. 2) You are going to make 300ml of a 75mM solution using a compound whose MW=818 g/mole. How many...
26. ### architecture

In terms of materials, techniques, innovations, purposes, and ideas, discuss the difference in Greek and Roman architecture? I also need specific examples to support these points? I have -Greek architectural order, Doric, Ionic and Corinthian Parthenon-columns tilted slightly ...
27. ### World History

2.) During the Cold War, people were afraid of communists, both outside and inside the United States. The Red Scare and McCarthyism that grew out of these fears was damaging to the American way of life. During the McCarthy years, many of the freedoms guaranteed in the Bill of ...
28. ### math

Math :The following table gives the free throws attempted? The following table gives the free throws attempted (FTA) and the free throws made (FTM) for the top five players in the NBA for a recent season. Calculate the free throw percentage for each player by writing the FTM ...
29. ### Statistics

A maker of microwave ovens advertises that no more than 10% of its microwaves need repair during the first 5 years of use. In a random sample of 57 microwaves that are 5 years old, 13% needed repairs. At á=0.01, can you reject the maker’s claim that no more than 10% of its ...
30. ### Math

Because of the Earth’s curvature, a person can see a limited distance to the horizon. The higher the location of the person, the farther the person can see. The distance D in miles to the horizon can be estimated by D(h)=1.22√h, where h is the height of the person ...
31. ### Climate Graphs

I need a climate graph of Fredericton, New Brunswick, Canada present time, so about 2000-2006. I have looked everywhere for stats or graph. I also need an older on for comparision perhaps the 1990s. Where can I find these. :( This site has climate graphs of New Brunswick. http...
32. ### math

A student’s final grade in chemistry is determined by the following weights: Quizzes 5% Exam 1 20% Exam 2 20% Lab Reports 15% Research Paper 15% Final Exam 25% The student received the following grades: Lab reports: 75 80 70 75 85 69 90 75 Quizzes: 85 60 70 0 75 80 80 80 ...
33. ### Calculus

Evaluate the integral: 16csc(x) dx from pi/2 to pi (and determine if it is convergent or divergent). I know how to find the indefinite integral of csc(x) dx, but I do not know how to evaluate the improper integral, at the following particular step. I know I need to take the ...
34. ### Biology

Iwas woudnering if you could help me with this problem. The answer key says that the answer is D and I have no idea why. The chart, included in the link, reads off a value of about .5 for the G locus for the year 1980 Finding the percent heterozygous should be as sipmle as 2(....
35. ### Check Answers Language arts

ONE of the people in Sri Lanka are Sinhalese, whom are Buddhist by tradition. A smaller percentage are Tamil, of Hindu background. Civil wars have torn apart the small nation, whose is a bloody and violent history. First Tamil guerrillas attack government forces, and then the ...
36. ### Probability

Every Persons blood belongs to one of four blood groups. The percentage of U.S. blood donors to the Red Cross is given: Type A=37% B=12.5% AB=3.5% O=47% a)What is the Probability that the blood of any two unrelated people in a Red Cross blood drive belong to the same group? Is...
37. ### Math

I need help... I don't need the answer just how I would figure this out. Identify the hypotenuse of the triangle by giving its letter. It is a triangle with the left and bottom lines of the triangle as a right angle. The longest line of the triangle is the top. q, p, and r q ...
38. ### Meical Office procedures

I don't know if anyone is familiar with this or not, but i just need someones opinion. I have a critical thinking question and if a patient paid the office \$125 for a bill; however the office then realized the insurance already paid \$112 dollars. When the office realizes the ...
39. ### Maths

A national record distribution company sells records and tapes by mail only. A promotion program is planned for a major metropolitan area for a new country western album. The target audience is estimated at 800,000. Past experience indicates that for this city and this type of...
40. ### Business Maths

How do i calculate this problem. In 2007 the Pearl Boutique had net credit sales of \$750,000. On January 1, 2007, Allowance for Doubtful Accounts had a credit balance of \$16,000. During 2007, \$30,000 of uncollectible accounts receivable were written off. Past experience ...
41. ### Chemistry

If I have cyclohexene in a hydroboration-oxidation reaction to form cyclohexanol how can I find percentage yield? I have NaBH4 (0.0610) and boron triflouride etherate (0.0162) and they are in a 4 to 3 ratio to form b2h6 (diborane) so diborane number of moles is based on boron ...
42. ### algbra help

(2u^3-13u^2-8u+7) divided by (u-7) 2u^2 u-7 !2u^3-13u^2-8u+7 2u^3-7u^2 then -6u u-7 -6u^2 -8u +7 -6u^2 +42u then -50 u-7 -50u +7 -50u + 350 then a remainder of -343 rfevgftvgtg i don't get algebra The sum of m and n, divided by the difference of m and n a party mix is made by ...
43. ### chemistry

To create a 0.1 M carbonate buffer pH = 10.2. You choose to use a combination of HCO3- / CO32-. This buffer system has pKa = 9.9.   a) Calculate how much you need to weigh in each of the sodium salts, NaHCO3 and Na2CO3, to create 1.0 L carbonate (with total concentration of ...
44. ### excel graphing

In cell D21, type the formula to calculate the % change from January to February. That formula is: =(J18-E18)/ABS(E18). Format the result in the Percentage style and decrease the decimal places if necessary to round the result to the nearest whole percent (569.46-521.07)/abs(...
45. ### HSM 270

I just need someone to explain this suggestion to me about a evaluation plan. I am so confused and my instructor not answering her phone. I really need help. The assignment was to describe the types of evaluations you would include in your evaluation plan and how each would ...
46. ### HSM 270

I just need someone to explain this suggestion to me about a evaluation plan. I am so confused and my instructor not answering her phone. I really need help. The assignment was to describe the types of evaluations you would include in your evaluation plan and how each would ...
47. ### 7th Grade Science

Hi, I really need help with this. I'm supposed to find information about biodiversity and fishing or housing and answer these two questions: "What challenges does [your topic] pose to biodiversity? What do you think should be done and why?" The websites my school gave me are ...
48. ### physics

"By means of a rope, whose mass is negligible, two blocks (mass: 11kg and 44 kg) are suspended over a pulley. The pulley can be treated as a uniform solid cylindrical disk. The downward acceleration of the 44 kg block is observed to be exactly one half the acceleration due to ...
49. ### physics

"By means of a rope, whose mass is negligible, two blocks (mass: 11kg and 44 kg) are suspended over a pulley. The pulley can be treated as a uniform solid cylindrical disk. The downward acceleration of the 44 kg block is observed to be exactly one half the acceleration due to ...
50. ### Economics

Question: What is the non-price factor affecting the following problem? Market: Hospital Event: Substantially higher wages are paid to hospital employees with no increase in their productivity The Non-Price Factors: 1. Technology 2. Production Costs 3. Taxation 4. Weather 5. ...
51. ### Philosophy - Logic

I keep getting different answers from different sources on these questions... I'm still not sure. Anyone else who can lend their opinion? #1 I need to know if this is a real or apparent argument. A: I saw Bob with Mary last night. B: You saw Frank, Bob's identical twin, with ...
52. ### organic chemistry

I really need help with this question. It is located at the link below. Question #2. I understand the general reaction but I need help with the actual mechanism. Olopatadine is a drug used topically to treat the itching associated with conjuctivitis It is prepared via a ...
53. ### English

An informal reading response to the book Ordinary People by Judith Guest asks me to comment how on my emotional reaction to the Jarrett family while using 3rd person and present tense. I only really need help with the beginning and then I should be able to keep going. In the ...
54. ### science 3 grade

i need this question to be answered please this is question- how does wind affect the ocean's heat. and my son write the answer- the wind will cool down the ocean heat. and i need one more answer this question one more sentence he make two sentence of this answer
55. ### Verb Agreement

Select the sentence that has correct subject-verb agreement. There are several forms that you need to complete when you adopt a pet. There is several forms that you need to complete when you adopt a pet.
56. ### Chemistry

I need help with this question. 1. You have a tank of helium with a volume of 10 liters that is currently under 40 atm of pressure. If you open the valve on the tank and release the helium into a room with a volume of 10,000 liters, how many atmospheres of pressure will the ...
57. ### language arts

Please help!!!! I don't need the answer, i just need help understanding this. In "Life Without Gravity," the author provides many ideas and details about living in microgravity. What do you consider the most important idea in "Life Without Gravity"? In an essay, describe the ...
58. ### Science

GCSE Physics-Forces affecting falling objects. My falling object is a skydiver Can you please help me to find the information needed? Nothing too complicated please. Here is a list of things I need to include but I have no idea where this information can be found on the ...
59. ### Science

GCSE Physics-Forces affecting falling objects. My falling object is a skydiver Can you please help me to find the information needed? Nothing too complicated please. Here is a list of things I need to include but I have no idea where this information can be found on the ...
60. ### English

This topic is deleting satistical data and examples. original material Water is an important part of the earth.In fact, water is the reason human beings live on the planet.Water is everywhere.It is in the atmosphere, the air that people breathe. it is in the soil, the ground ...
61. ### Trigonometry need help!!!

need help don't understand how to do this.... 1.Verify the identity cot(θ-( π/2)= -tan θ 2. Verify the identity tan θ + cot θ =1/sin θ cosθ
62. ### Geometry

I need help solving for the height of a trapezoid and finding the correct final answer for a semi circle (a half circle).In area form Here's what I have so far: Trapezoid Formula: 1/2(b1+b2)h My Answer:1/2(5+15)=10 (My bases are 5 and 15) I need help solving for the height now...
63. ### English - grammar

I need my sentence to be past tense third person. I know my main verb 'caused' is past tense, but the 'prime acting citizens' phrase is confusing me since 'acting' ends in 'ing', which is not past tense. Do I need to change it to make it past tense? Rules caused stress upon ...
64. ### physics

2) A diving platform or diving tower has three platforms at 10 m, 7.5 m, and 5.0 m. Some students are going to drop or throw straight down identical balls from each platform and they want the balls to reach the water with the same velocity. The ball from the highest platform ...
65. ### physics/biology

Determine the number of uncompensated ions (both total number and as a percentage of the bulk ions) required to establish a charge of 100mV across a membrane of a spherical cell that is 25 ƒÊm in diameter. Assume that the total number of ions inside and outside the cell is ....
66. ### Relative Extrema: AP Calculus

Consider the function f(x)= (3/4)x^4-x^3-3x^2+6x Find the relative extrema for f(x); be sure to label each as a maximum or minimum. You do not need to find function values; just find the x-values. Determine the interval(s) where f(x) is increasing (if any) and the interval(s) ...
67. ### History

I need help on how people influenced us. I am doing some history homework about the great depression (late 1920's through early 1940's) and I need some future connections like how did Duke Ellington influence us today? Or Walt Disney influence us today...ect. I can't find ...
68. ### algebra

Also, I belive that #4 is D. I drew out a graph and it is symmetrical to point A. After looking over #3, I got B because axis of symmetry is -b/2a, so it would be 6/2(1)= 3. I need help on how to do the following problems: 1. The graph of x^2 + y^2 = 100 will contain which of ...
69. ### I need help with algebra ASAP!

I'm in Algebra 1 this year and I really need help solving these equations. Completing the square 1)c^2-7c= -12 2)x^2-2x-8= 0 Incomplete Quadratic Equations 1) 2x^2-2 = 16 Any advice will be appreciated! c^2-7c= -12 What is 1/2 of -7? Square that, and add to both sides. x^2-2x-...
70. ### Fractions

Zoey made 5 1/2 cups of trail mix for a camping tip. She wants to divide the trail mix into 3/4 cup servings. A)Ten people are going. Can Zoey make enough 3/4 cup servings so that each person on the trip has one serving? B)What size would the servings need to be for everyone ...
71. ### finance

The capital structure of William Corporation limited consists of an ordinary share capital of Rs.20 lakhs (shares of Rs.100 per value) and Rs.20 lakhs of 10% debentures. The unit sales increased by 20% from 2,00,000 units to 2,40,000 units, the selling price is Rs.10 per unit...
72. ### Social Studies 9

I NEED THIS BY TOMORROW!!!!!! What were the taxes introduced during the 17th century england (aka English Civil War)- list 4 facts about it . and WHAT were the taxes introduced during the french revolution also list 4 facts about it . and how are they similar; 4 facts also. ...
73. ### 1 more chem check.

Alright, here is my question: 22. References list the Ka value of hydrosulphuric acid, H 2S(aq) , as 1.1 x 10^–7 at 25°C. Assume a solution is prepared by dissolving 1.00 g of H2S(g) to make 1.00 L of acidic solution. What percentage of this solution will ionize? And I don'...
74. ### 6th grade math

Jack went to the store to buy eggs. He thought "i ned enough eggs to last me all week. I eat two eggs for breakfast each day and i need six eggs to give back to my neighbor because i borrowed some." When Jack asked the store clerk for his eggs, he was told that eggs are only ...
75. ### Calculus, AntiDerivatives

I need help with this problem: A car traveling at 43 ft/sec decelerates at a constant 5 ft per second squared. How many feet does the car travel before coming to a complete stop? I'm not sure where to start, i know how to find antiDerivatives, but i don't even know the ...
76. ### Chemistry HW Help!

I really need help with the following question.... What is the volume, in liters, of 0.250 mol of hydrogen gas at 20 °C and 0.974 atm pressure? I also would like to let you know that before you can put the numbers into an equation and solve for the volume, you need to convert...
77. ### chemistry

Assignment 1 Question Consider a monohydrogen phosphate ( HPO42-) and dihydrogen phosphate (H2PO4-) buffer solution. [HPO42-] = 0.063M [H2PO4-] = 0.10M What happens when you add 1.0 ml of 0.10 M HCl to the a 99ml solution? What would the pH of the solution be without the ...
78. ### maths

Due to delays in the finalization of contracts,building of a stadium commenced three months after the scheduled date. 1.1 If the original time for completion was set at 24 months,how much time was then available for completion. 2.2 Express the new duration as a ratio of the ...
79. ### Chem

Calculate the work (in kJ) when 1.80 moles of methane react with excess oxygen at 389 K: CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) I got 11661.26 Calculate the change in entropy (in J/K) when 70.1 g of nitrogen gas is heated at a constant pressure of 1.50 atm from 12.0 ºC to ...
80. ### English

Can you check the meaning of these few phrasal verbs, please? Thank you In the beginning I dislike my classmates but then I came around thinking they aren't so bad. Can you drop in on me after school. I need to talk to you. My plan to go to the mountains fell through because ...
81. ### STATISTICS PLEASE HELP!!!!!

are you a chocolate "purist", or do you like other ingredients in your chocolate? american demographics reports that almost 75% of consumers like traditional ingredients such as nuts or caramel in their chocolate. they are less enthusiastic about the taste of mint or coffee ...
82. ### Reading

I have this really long passage about how organic farming started small, but it grew quickly. From 1990 to 2010, sales of organic food in the United States increased from \$1 billion to \$26.7 billion. Fruits and vegetables represent the biggest percentage of organic foods. ...
83. ### sort of social studies

I need info on Great Britton, what they wear,eat, language spoken, sports, games or hobbies of the people. I think you mean Great Britain, right? http://en.wikipedia.org/wiki/Great_britain If you need more information, you might look up each country within Great Britain in the...
84. ### Maths

Please, I still need help with this. I need to make tables of values for both horizontal and vertical stretching, but I wasn't in class and missed the lesson. I don't really understand how to get the values; at first I figured you'd get the value of y by just pluging in ...
85. ### Algebra 1b

Task 1—Shipping a gift. You have selected a special gift for a cousin or other family member of similar age. You’re not close enough to deliver it by hand, so you will need to ship it to him or her. What did you choose for a gift? What size box will you need to ship the ...
86. ### Biology

I have a biology project due on monday i have all the information all i need is a Graph/chart. Where can i find an athletes foot chart/graph. It does not matter what it says on the chart/graph as long as its about athletes foot. are you willing to help. I need help Please oh ...
87. ### chemistry

If you have 25.3 g of NaCl. a) how many moles of NaCl do you have? = .433 mol b) how many moles of sodium ions do you have? c)how many moles of chloride ions do you have? d) how many sodium ions do you have? e) how many chloride ions do you have? How do i solve these? Please ...
88. ### Free/Slave states of 1860

PLEASE HELP ME!!!!!!!!!!!!!! I need to know how many free states there were in 1860 19 or 18.One website says 18 while the other says 19. It would help me a lot if you name the slave states too or give me a good reference. One website said there were 15 slave states but i only...
89. ### Parenthetical Citations

How detailed do I need to be with my parenthetical citations? I am using a website as a source with many different webpages. It is confusing because I don't know how detailed I need to be with web addresses. I must have 15 different webpages for the same site. Can I just put a...
90. ### Economics

You want to have an income of \$50,000 per year in retirement, and you think you will be alive for 30 years in retirement. How much do you need to have invested the day you retire, in real dollars, assuming a 3% real rate of return? I just need to make sure I'm doing this right...
91. ### Chemistry

Balancing Complete Redox Reactions I need help on the half reduction part for both reduction and oxidation of Cl2(g) --> cl^1- (aq) + OCl^1- (aq). I got both of the half reactions started. Cl2 --> Cl^- (Reduction) .... Cl^1- (aq) + OCl^1- (aq) (Oxidation). I need know ...
92. ### fundamentals of math

there are 40 bikes inspected. If 15 need new tires and 26 need gear repairs. -what is the greatest number of bikes that could have needed both repairs? -The least number that could have needed both? -Greatest number that could have needed neither repair?
93. ### Algebra

Your kids have asked you to set up a cable fromtheir tree house to the ground so that they can slide down quickly when it’s time to head in for lunch. The tree house is 12 feet from the ground. You determine that in order to get a gentle enough slope from the tree house to ...
94. ### english

Please help me to correct grammar Task 3 – Unit review (Summary and critique) According to Brown and Hood’s “Academic Encounters: Life in Society” (2002), Intermediate to High Intermediate Level, includes unit 1: Belonging to a group, consists of chapter 1 and chapter ...
95. ### Math

A certain juice must be mixed at a ratio of 2:60 (2parts powder 60 parts juice). A company need a total of 3 and 1/2 gallons of mixture. How many ounce of each should be added? One more qusetion..... A certain mix of sand is composed of 95 lb (1 sack) of glass, 51 lb of water...
96. ### 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 7.2-kg ...
97. ### 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 ...
98. ### 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 one-gallon jug in the sink and carry it to the tank, pour it in, and then return to the sink again. 1)...
99. ### 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 ...
100. ### 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...