# dennis

Newest questions posted by dennis
1. ## Cosine Math Question

Graph a cosine function whose amplitude is 4, period is π , midline is y=−3 , and y-intercept is (0, 1) . The first point must be on the midline and the second point must be a maximum or minimum value on the graph closest to the first point. I
2. ## law

'Property law is an area of law that enforces rights of ownership, possession and transferability, over things , may it be, public property (government owned), private property such as homes or business and it can be tangible or intangabile.' my first
3. ## math

Marlye posted a story on her blog. On the first day there were 80 responses and on the second day there were 180 responses. What percent is the increase, 100, of the original number of responses, 80?
4. ## math

A mountain bike is priced at \$413. If the sales tax is 6.5 percent, what is the cost to purchase the mountain bike? Round to the nearest cent if necessary.
5. ## science

one mole of an ideal gas is allowed to expand isothermally at 29.3 degree celsius from a volume of 4.0 litres and pressure of 5.0 atm to a volume of 10.0l and pressure of 2.0atm
6. ## Math

what is -678* (34^56) =
7. ## statistics

a bag contains 4 blue marbles,6 red marbles, 10 yellow marbles and 6 green marbles.What is the probability of not drawing a red marble?
8. ## math

If a man saves \$6000 each year for 7 years and reinvests his interest at a 5 percent interest rate annually, how much will he have a that the end of year 7?
9. ## calculus

1. A rocket is fired vertically into the air. Six kilometers away, a telescope tracks the rocket. At a certain moment, the angle between the telescope and the ground is and is increasing at a rate of 0.6 radians per minute. (See the picture. I have defined
10. ## Math

the room is rectangular and measures 9 feet on one side and 15 feet on the other. she needs 0.5 ounces of paint per spuare foot. how much paint does she need?
11. ## mechanics of machines

A vehicle travelling at 29m/s on a level road surface which curved to a radius of 50m about to overturn The centre of gravity at centre of the 1.5m track. a. At what height is the centre of gravity b. At what velocity could the vehicle negotiate the same
12. ## mechanics of machines

A car of mass 600 kg reduces speed from 90 km/h to 54 km/h in 15 seconds. Determine the braking power required to give this change of speed.
13. ## Physics

How long must a 25 degree ramp be to slow to a momentary stop a runaway truck moving along a truly horizontal highway at 85 miles per hour
14. ## chemistry

the reaction of methane and water is one way to prepare hydrogen for use as a fuel: methanw react with water to from carbonmonoxide and hydrogen if you begin with 995g of methane and 2510g of water, 1.which reactant is the limiting reactant? 2.what is the
15. ## chemistry

what mass of excess reactant remians when the reaction is completed?
16. ## math

A right circular cone stands on a hemisphere. The base radius of the cone is equal to the radius of the hemisphere. If the base radius of the cone is 10 centimeters and its height is 15 centimeters,calculate the total volume of the solid.
17. ## chuka university

given the eccentilisty and a point that lies on the hyperbola ,find the equation of the hyperbola center origin
18. ## Math

25 tens=_ hundreds 5 tens
19. ## Science

A brick mass of 4.5 kg is thrown rertical into the air the brick leave the hand at a velocity of 10 m/s find the kinetic energy the moment it leave the hand?
20. ## science chemistry

Brandon prepares a potassium hydroxide solution (KOH) that he uses during a titration to determine the unknown concentration of a hydrochloric acid solution calculate the mass of potassium hydroxide that is need to prepare 250 cm^3 of a standard 0,125
21. ## chemistry

How can i Fill in the missing words Ionisation energy, water, melting point, electronegativity, non-polar, solvent, pair, boiling points, polar A covalent bond is formed when a 1________ of electrons is shared between the bonding atoms.when the electrons
22. ## Life orientation

Can you please explain for me in a short paragraph what can trigger spectator aggression in sport
23. ## math

If you have 100 numbers (1 - 100, including 1 and 100) and you choose 2 of them then do the formula x + y + xy (x being the first number and y being the second) and you replace the 2 numbers chosen with that new number, what are the last possible values
24. ## American Government

I need some help with some Government questions: 1. All of the following are ways that formulating our budget has changed EXCEPT: A. Budget and Accounting Act of 1921 B. transfer of Office of Management and Budget to the Executive Office of the President
25. ## American Government

Hi, I need some help with a couple government questions. 1. State governments could print their own paper money under the articles of confederation. True or False **my answer=true 2. Which of the following explains changes that happened in U.S. foreign
26. ## The Odyssey and Orestia

Hi. I need some help with a few questions regarding The Odyssey and Orestia. (I have eliminated some of the possible choices because I know they are incorrect) 1.How are the endings of both the Odyssey and the Orestia similar? A.In both cases, the
27. ## AP English Literature: The Odyssey

Hello. I am in need of some help with these following questions about The Odyssey: 1. When Odysseus finally lands upon the island of the Phaiacians, what happens which leads him to come out of disguise and reveal his true identity? A. Athena vows to
28. ## Government

I need some help with some Government questions: 1. All of the following are ways that formulating our budget has changed EXCEPT: A. Budget and Accounting Act of 1921 B. transfer of Office of Management and Budget to the Executive Office of the President
29. ## US Government

Hello, I need some help with a few Government true/false questions. The Office of Management and Budget can withhold funding for a program that the President considers ineffective. My answer=False The threat of the spread of communism around the world is
30. ## History

How could the 1933 Ukraine Genocide be prevented?
31. ## History

What survival tactics were used in the 1933 Ukraine Genocide?
32. ## Civilization

What do you think about the rules of civilization? Do they free us and enable us to rise to our best selves? Or do the rules constrain our bad nature that lie at the heart of ourselves?
33. ## Geography

What is the largest volcano in close proximity to Calgary?
34. ## Science

whats is a structure that was built with keeping costs low as the primary concern?Also, what is a structure (with the same function as the one above) that was built with no regard to cost: What are the difference between the two?
35. ## science

whats is a structure that was built with keeping costs low as the primary concern?
36. ## Math

I don't understand this question, could someone solve/walk me through this? One afternoon in Fort Simpson, Northwest Territories, the air temperature was −10ºC and the wind speed was 25 km/h. The air temperature dropped by 5ºC in the evening, but the

3X+4=-8+6X
38. ## chemistry

What is the pH of a buffer solution that is made by adding 21.0 grams of sodium fluoride to 1.00 Liter of 0.15M hydrofluoric acid? (see the Table above for the Ka of hydrofluoric acid; calculate the pH to 2 decimal places) hint: you will have to find the
39. ## chemistry

Liquid elemental iron is produced in the thermite reaction because enough heat is generated to melt the iron: 2 Al(s) + Fe2O3(s)----> Al2O3(s) + 2 Fe(l) What mass of aluminum is needed to produce 750 grams of iron?
40. ## chemistry

15. Liquid elemental iron is produced in the thermite reaction because enough heat is generated to melt the iron: 2 Al(s) + Fe2O3(s)----> Al2O3(s) + 2 Fe(l) What mass of aluminum is needed to produce 750 grams of iron?
41. ## chemistry

What is the pH of a buffer solution that is made by adding 21.0 grams of sodium fluoride to 1.00 Liter of 0.15M hydrofluoric acid? (see the Table above for the Ka of hydrofluoric acid; calculate the pH to 2 decimal places) hint: you will have to find the
42. ## math

Find an angle between 0 & 360 degrees that is coterminal 820 degrees.
43. ## Application: Two-Sample t-Tests

Should Martha use an independent-samples t-test or a related samples t-test? Explain your answer.
44. ## geography

What does the word napasta mean in english?
45. ## english grammar

Ramesh generally drinks an orange juice
46. ## business mathematics

find the total amount due on a loan of N80,000.00 at 18percent simple interest at the end of 4months. (2)question is find the total amount due on a loan of N600,000.00 at 12percent simple interest at the end of 3years. Pls i need answer
47. ## statistics

A high school counselor wants to examine whether the teenage pregnancy rate at her school is different from the rate nationwide. She knows that the rate nationwide is 15 %. She randomly selects 80 female students from her high school. She finds that 9 out
48. ## science

Calculate the partial pressure of oxygen gas a diver breathes with a heliox mixture containing 2% oxygen at a depth of 100 metres where the total pressure is 100kPa
49. ## Math

A scale drawing of a house is drawn with a scale of 1 in. : 16 ft. Find the actual length of a hallway that is 5/8 in. On the scale drawing. Show your work
50. ## cryptography

The following file cshift.txt is encrypted using a shift cipher. Decrypt it using key exhaustion. I expect to see 26 complete lines of output. Your program does not have to pick out which shift is English. You may do that by eyeball. Then print the proper
51. ## Geometry

the measures of two complementary angles are 16z-9 and 4z+3. Find the measures of the angles.
52. ## computer science

Compare how data is handled in the NTFS EFS+, Ext3fs, and NTFS. Which one do you consider to be the most reliable file system? Why?
53. ## Physics

A sprinter explodes out of the starting block with an acceleration of +4.1 m/s2, which she sustains for 1.2 s. Then, her acceleration drops to zero for the rest of the race. (a) What is her velocity at t = 1.2 s. (b) What is her velocity at the end of the
54. ## Physics

Two motorcycles are traveling due east with different velocities. However, four seconds later, they have the same velocity. During this four-second interval, cycle A has an average acceleration of 1.8 m/s2 due east, while cycle B has an average
55. ## Physics

A car with a mass of 1500 kg moves at 26 m/s. What braking force is needed to bring the car to a halt in 10 s?
56. ## Organic Chemistry

A lower yield of phosphonium salt is obtained in refluxing benzene than in xylene. Look up the boiling points for these solvents, and explain why the difference in boiling points might influence the yield. I'm not sure how to answer this question. I see
57. ## Math

Dividing a Polynomial - need detail and answer please!!! (6x^4+4x^3-x^2)/(6+2x)
58. ## math

Quadrilateral ABCD is a square. The coordinates of point A are (3,2), coordinates of point B are (-3,2),and the coordinates of points C are (-3,-4). where on a coordinate plane would I mark the location of point D??
59. ## math

how do i solve 3x+2y=40,x+y=18 i would like the work shown.. thanks.
60. ## Chemistry

What would be the dangers of mixing chlorofluorocarbons (r-22 refrigerant)and chlorine gas in a indoor swimming pool area? Question is in regard to a substanial R-22 refrigerant leak that ends up in a enclosed pool area daily mixing with chlorine gas in
61. ## chemistry

What would be the dangers of mixing chlorofluorocarbons (r-22 refrigerant)and chlorine gas in a indoor swimming pool area? Question is in regard to a substanial R-22 refrigerant leak that ends up in a enclosed pool area daily mixing with chlorine gas in
62. ## chemistry

What would be the dangers of mixing chlorofluorocarbons (r-22 refrigerant)and chlorine gas in a indoor swimming pool area?
63. ## phys

How many kcal of heat are required to vaporize 25.0 kg of water at 100C?
64. ## Math equation

y = -1/2 x-4 Complete the table for this equation. x y (x,y) -1 -2 -4 2 8
65. ## physics

Two objects (m1 = 5.15 kg and m2 = 2.75 kg) are connected by a light string passing over a light, frictionless pulley as in the figure below. The 5.15-kg object is released from rest at a point h = 4.00 m above the table. (a) Determine the speed of each
66. ## statistics

construct the confidence interval for the population mean c=0.98,x=5.6, s=0.6, and n=45
67. ## math

Four darts are thrown at a dart board with four rings, each ring has a different value, If all four darts hit the board, how many different point totals are possible?
68. ## math

how do i solve find x in x^+6x+9
69. ## health

Employees from the billing department are not receiving the accurate codes and information needed for data entry, slowing production and payment for the doctor. As head of the billing department, you have been delegated to lead a problem-solving team to
70. ## Islamic Managerial Ethics

Discuss the relevance of the five pillars of Islam to managers of organizations in the world today.
71. ## math

Could someone please how this problem should be solved? Simplify and write the answer in exponential notation using positive exponents. 2 to the 4th x 2 -2nd power
72. ## f/math

the common ratio of a g.p is 2.if the 5th term is greater than the first term by 45, find the 5tth term

o Joint-stock company o Limited liability company o Partnership o Sole proprietorship For this assignment... Describe a business scenario, either real or fictional, that depicts each of the following forms of business organization:
74. ## college physics

rearrange the equation T = 2pi(l/g)^(1/2) in the form of y=mx+c where T = dependent variable, L = independent variable, and 2pi and g = constant.
75. ## Economics

What are the weeknesses of chamberling doupoly model?
76. ## math

cory drops a bouncing ball form a height of 50 ft and it rebounds to 90% of its previous height.find the total distance the ball will have travelled when it hits the ground for the fifth time
77. ## Literature

iam writting a term paper on the relationship between literature and history but i don't know what to write someone please help me out.your answers are most wlcome.thank you.
78. ## college (physics thermo)

A 1.20 mol sample of an ideal diatomic gas at a pressure of 1.20 atm and temperature 380 K undergoes a process in which its pressure increases linearly with temperature. The final temperature and pressure are 680 K and 1.83 atm. (assume 5 active degrees of
79. ## college

If preferred stock was issued at 50 dollars a share at 8% annual interest rate what would be the annual yeild?
80. ## math

A horizontal clothesline is tied between 2 poles, 12 meters apart. When a mass of 5 kilograms is tied to the middle of the clothesline, it sags a distance of 1 meters. What is the magnitude of the tension on the ends of the clothesline? A constant force
81. ## multivariable calc with some high school physics

A horizontal clothesline is tied between 2 poles, 12 meters apart. When a mass of 5 kilograms is tied to the middle of the clothesline, it sags a distance of 1 meters. What is the magnitude of the tension on the ends of the clothesline? A constant force
82. ## Trig (inverse functions)

Problem: tan[arccsc(-5/3) + arctan(1/4)] My work: let arccsc(-5/3)=X and let arctan(1/4)=Y where -pi/2
83. ## Inverses

Problem: cos[arccos(-sqrt3/2)-arcsin(-1/2)] This is what I have: cos [(5pi/6)-(11pi/6)] cos (-6pi/6) or -pi giving an answer of -1 What I am wondering is should I use the (11pi/6) or should I use (-pi/6) because of the restrictions on arcsin x (-pi/2)
84. ## Geomotry

How do you calculate the square footage on the surface of a cylinder if you know the diameter and length?
85. ## Trig

Solve in terms of sine and cosine: sec(x) csc(x)- sec(x) sin(x) so far I have: 1/cos(x) 1/sin(x) - 1/cos(x) sin(x) I am not sure where to go to from there. The book says the answer is cot(x) or cos(x)/sin(x) Thank you in advance.
86. ## algebra

determine which two represent perpendicular lines; y=6x-3,y=1/6x+3, y=-1/6+3, or y=1/6x-3.
87. ## algebra

solve system by graphing 3x+y=6 and 3x-y=0.
88. ## think critically

crossword challenge 3 letter word a pen pal?
89. ## think critically

a grumpy ocean dweller?
90. ## soc studies

who makes a globe, like ... a map maker is a cartographer
91. ## English

How do you find the etymology for example of the word panic? In any dictionary (in print or online) there should be a section, often in brackets, that gives you the history of the word. Go here: http://www.answers.com/panic Scroll down to just below the
92. ## Poetry

What are the four basic elements of poetry (Broken Link Removed) Here are a couple of sites which also may help. http://www.buzzle.com/articles/basic-elements-of-poetry.html http://www.poems-and-quotes.com/article.html?id=398
93. ## Chemistry (Check)

Classify each of these statements as always true, sometimes true, or never true. __ST___13.In an equation, a substance is shown to be in the gaseous state by placing an upward-pointing arrow after its formula. ___ST___14. Atoms are destroyed in a chemical
94. ## Modern World Histoy

What would one say their experiences may be during A Bloody Stalemate? Think about a soccer game where no matter what either team does, neither is able to win. Both have gone through all there player list; both have gone through the over times..... How
95. ## Math

Suppose income = \$100, PX = \$2.00 if the consumer buys less than 20 units of X, PX = \$4.00 if the consumer buys more than 20 units of X. With income or composite good Y on the Y-axis, draw the budget constraint. Label ALL intercepts.
96. ## Chemistry

what is the mass of two moles of NaCl? You look up the exact numbers on the periodic table or some other chart. I will use approximations. 1 mol NaCl = 1 Na + 1 Cl = 23 + 35.5 = 58.5 grams. 1 mols NaCl, then, is 2 x 58.5 = ?? g.
97. ## Science/Chem

How many representative particles are in 2.5 mol H2O2? each mole consists of 6.02*10^23 things. Memorize that.
98. ## World History

what is the danger of Lenin's idea of party leadership? Lenins idea of party leadership was dangerous because in such a corrupt system, a party was terrible for the local environment. Many people would fight for the top leadership position. thanks. why did
99. ## Chemistry

How are the two parts of a conversion factor related? Either the numerator or the denominator is one of the units needed for the converstion, then the denominator/numerator is the other unit needed. thanks. whats two conversion factors based on the
100. ## Chemistry

How do i Convert 170 degress C to kelvins? K = 273 + C

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