Andre

Most popular questions and responses by Andre
1. Computers

1. What does the term "fair-use exception" mean? (1 point) to use only material that has never been published the ability to use material made by others for educational purposes an exception to copyright restrictions for images only Educational material is

asked on February 3, 2015
2. Chemistry

SO2(g) + NO2(g) SO3(g) + NO (g) At a given temperature, analysis of an equilibrium mixture found [SO2] = 4.00 M, [NO2] = 0.500 M, [SO3] = 3.00 M, and [NO] = 2.00 M. (a) What is the new equilibrium concentration of NO when 1.50 moles of NO2 are added to the

asked on May 11, 2009
3. English

1) In the story "A Meeting in the Dark," John's character advances the plot and communicates the theme through each of the following conflicts except. A)man vs. man B)man vs. nature C)man vs. society D)man vs. himself 2) Read the following sentences that

asked on December 11, 2014
4. History (or for people familar with the film Mulan

Does anyone know when there are examples of Legalism and Daoism (also known as Taoism) in th emovie Mulan?

asked on November 4, 2008
5. Chemistry

The equilibrium constant Kp for the reaction below at 700°C is 0.76 atm. CCl4(g) --> C(s) + 2 Cl2(g) Determine the initial pressure of carbon tetrachloride that will produce a total equilibrium pressure of 1.20 atm at 700°C

asked on February 20, 2012
6. physics

An airplane pilot wishes to fly due west. A wind of 82.0 km/h is blowing toward the south. If the airspeed of the plane (its speed in still air) is 380.0 km/h, in which direction should the pilot head? This is what I did. I let theta = arcsin(82.0/380.0)

asked on September 20, 2009
7. Math

If a storage tank is holding 450 litres when it is three-quarters full, how much will it contain when it is two-thirds full?

asked on September 3, 2016
8. Chemistry

The following reaction represents the decomposition of hydrogen peroxide 2H2O2 -> o2 (g) + 2H2O (l) How many molecules of water are produced from the decomposition of 3.4g of Hydrogen peroxide, H2O2? Please walk me through this one, I need more then just

asked on October 19, 2010
9. Math

Your older sister drove 500 miles to college one way in ten hrs what was her average velocity

asked on December 6, 2017
10. Calculus

It is known that the quantity demanded of a certain make of portable hair dryer is x hundred units/week and the corresponding wholesale price is shown below where p is in dollars. p = sqrt(225 - 5x) The supplier will make x hundred units of hair dryers

asked on September 25, 2014
11. English

In "Telephone Conversation," which of the following best describes the shift in the speaker's attitude towards the landlady? A)from fuming to mischievous B)from angered to conciliatory C)from embarrassed to arrogant D)from cooperative to ninchalant

asked on December 9, 2014
12. physics

Suppose that it takes 10.0 h to drain a container of 5100 m3 of water. What is the "mass flow rate," in kilograms per second, of water from the container?

asked on August 26, 2011
13. English

Which of the following lines from the poem best shows the speaker's distaste for the situation? A)Silence. Silence transmission of Pressurized good breeding? B)OR VERY DARK?" Button B. Button A. Stench. C)Pushed dumbfounded to beg simplification. D)Her

asked on December 9, 2014
14. scientist

Scientists do their experimental tests more than once so they can reduce the effects of chance errors this called conducting__________?

asked on August 24, 2009
15. physics

A force of 40N is applied at the end of a wire 4m long and produces an extension of 0.24mm. If the diameter of the wire is 2.00mm calculate the stress on the wire and strain in the wire. With full workings please

asked on April 23, 2018
16. biomechanics

If a person is in the air during a jump can they modify the path in the air of: a) Their whole body centre of gravity b) Their foot c) Theirpelvis

asked on January 24, 2018
17. Chemistry

Thank you for your help. I did want to clarify why you are only calculating the Molar Mass for H2 and not the molar mass for H2O (or even H2O2). I'm not sure why you did this. Please clarify. See below: The following reaction represents the decomposition

asked on October 19, 2010

8. in which sentence is the word gesture used correctly ( 1 point) A.Smiling, she extended her hand in a gesture of friendship. B.Tired from a long day of work, I put my gesture down on the table wearily.**** C.He called for a gesture next Tuesday, and all

asked on September 17, 2014
19. Math

Kathy drove from Dry Creek to Cactus, a distance of 250km. She increased her speed by 10km/h for the 360km trip from Cactus to spur. If the total trip took 1 hours, what was her speed from Dry creek to Cactus.

asked on April 7, 2013
20. history

In the early nineteenth century, Americans sought to resolve their political disputes through compromise, yet by 1860 this no longer seemed possible. Analyze the reasons for this change. we have to write a DBQ for our final in AP US history: I know im

asked on June 21, 2009
21. chemistry

Solid Na2SO4 is added to a solution which is 0.014 M in Pb(NO3)2 and 0.041 M in AgNO3. Assume the volume remains constant. Ksp = 2.0 10-8 for PbSO4 and Ksp = 1.2 10-5 for Ag2SO4. (a) Which compound precipitates first? 1 PbSO4 (b) What is the concentration

asked on May 11, 2009
22. wcccd

The period p of a pendulum, or the time it takes for the pendulum to make one complete swing, varies directly as the square root of the length L of the pendulum. If the period of a pendulum is 1.3 s when the length is 2 ft, find the period when the length

asked on October 18, 2015
23. Math

I'm having some trouble with this question: Find a value(s) that makes the expression y^2 - 16/ y^2 - 16 undefined. I know that for an expression to be undefined that the denominator must be 0, so I thought -8^2, but that would just result in 16 + 16. I'm

asked on April 15, 2019
24. Languages Arts

Which of the following describes the word dew? A. What happens when you don't get enough sleep for a few days. B. What happens to your teeth when you eat too much candy. C. What happens to plants in a garden overnight. D. What happens when you leave a

asked on February 6, 2015
25. Math

the cote family car gets between 25 and 29 miles per gallon of gasoline the fuel tank holds 17 gallons of gasoline and the cotes refill the tank whenever it is 1/4 full the cost of gasoline will be 3.47 and 3.69 per gallon A) write expressions to estimate

asked on October 28, 2017
26. physics

suppose you fire a bullet speed 1600 m/s in a shooting gallery and hear the gong on the target ring .731s later taking the speed of sound to be 330m/s and assuming the bullet travels straight downrange at a constant speed, how far does the bullet travel

asked on October 1, 2009
27. calculus

A force of 10 pounds is applied to a wagon, directed at an angle of 30∘30∘. Find the component of this force pulling the wagon straight up, and the component pulling it horizontally along the ground.

asked on August 14, 2016
28. ACCOUNTING

P7-2B The board of trustees of a local church is concerned about the internal accounting controls pertaining to the offering collections made at weekly services. They ask you to serve on a three-person audit team with the internal auditor of the university

asked on March 16, 2009
29. physics

A constriction in a pipe reduces its diameter from 7.9 cm to 1.8 cm . Where the pipe is wider, the fluid velocity is 8 m/s. Find the fluid velocity where the pipe is narrow. Answer in units of m/s

asked on November 6, 2014
30. wcccd

A car dealership offers a \$1400 rebate and a 5% discount off the price of a new car. Let p be the sticker price of a new car on the dealer's lot, r the price after the rebate, and d the discounted price. Then r(p) = p − 1400 and d(p) = 0.95p

asked on November 21, 2015
31. Chemistry

Consider the reaction below. 3 O2(g) --> 2 O3(g) At 175°C and a pressure of 128 torr, an equilibrium mixture of O2 and O3 has a density of 0.168 g/L. Calculate the Kp for the above reaction of 175°C

asked on February 20, 2012
32. heat

if the absolute pressure of a gas is 550.280 kPa, its gage pressure is ? A.101.325kPa b.277.280kPa c.448.955kPa d.651.605kPa Gauge pressure - atmosphericpressure=absolute pressure where atmospheric pressure varies, but standard atmospheric pressure is

asked on July 15, 2005
33. Finite with Calculus Applications

The Ball Company manufactures three types of lamps, labeled A,B,and C. Each lamp is processed in two departments, I and II. Total available work-hours per day for departments I and II are 400 and 600, respectively. No additional labor is available. Time

asked on February 27, 2012
34. calculus

There is a shape first a regular triangle inscribed in a circle, and inscribed in a square, inscribed in a circle, inscribed in a pentagon, etc. so polygon circle polygon circle, etc. the radius of the first circle is 1, find an equation for radius n.

asked on February 22, 2016
35. Maths

Mrs Ricky borrowed \$5,340 at a bank at 9.5% per annum simple interest for 5 years. (A) the sum of money paid in interest to the bank. (B) the total amount of money repaid to the bank. (C) the value of each monthly installment.

asked on January 13, 2017
36. Math Models

The distance needed to stop a car (d) varies directly with the aquare of the speed of the car (s). If a car traveling 25 mph requires 0 feet to stop, how many feet will be required to stop a car that is traveling at 60 mph?

asked on June 13, 2012
37. MATH

IF THERE WERE 64 OUNCES OF SPARKILING WATER AND 40 OUNCES OF PINEAPPLE JUICE WHAT IS THE RATIO OF SPARKILING WATER TO PINEAPPLE JUICE

asked on March 15, 2019
38. Chemistry

A solution is prepared by adding 50.3 mL of concentrated hydrochloric acid and 16.6 mL of concentrated nitric acid to 300 mL of water. More water is added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution. [Hint:

asked on February 28, 2012
39. Physics

a bicycle chain is wrapped around a rear sprocket (r=.039m) and a frond sprocket (r=0.10m) the chain moves with a speed of 1.4 m/s around the sprockets while the bike moves at a constant velocit find the madnitude of the acceleration of a chain link that

asked on September 25, 2017
40. Calculus

A 20 meter long steel cable has density 2 kg per meter. It is hanging straight down. There is a 100 kg bucket of concrete attached to the bottom. How much work is required to lift the bucket 10 meters by lifting the cable ten meters? Gravitational force

asked on December 31, 2015
41. physics

A circular swimming pool has a flat bottom and a 4.39 m diameter. It is filled with water to a depth of 1.51 m. There is 1.36 atm of pressure on the top surface.

asked on November 6, 2014
42. physics

A 73 kg man in a 4.3 kg chair tilts back so that all his weight is balanced on two legs of the chair. Assume that each leg makes contact with the floor over a circular area of radius 1.5 cm. Find the pressure exerted on the floor by each leg. The

asked on November 6, 2014
43. programming

where are the errors the pseudocode debugging exercise // This application reads student typing test data // including number of errors on the test, and the number // of words typed per minute. Grades are assigned based // on the following table: // Errors

asked on September 15, 2013
44. Math

The side length,s, of a cube is related to its volume, v, by the formula s=v^1/3. A cube box when filled with materials has a volume of 729 cm2. What is the side lenth of the cube box used? Please help me step by step with this. I don't know where to start

asked on November 18, 2010
45. Maths

The first term of an AP is 12 and that of a GP is 6. The common difference and the common ratio are equal, so as are the sum of the fist 3 terms. Find the possible values of the common difference?

asked on December 1, 2014
46. programming

DEBUGGING // The two senior class homerooms at Littleville High School // are having a fundraising drive for the prom. Each time a student // solicits a contribution, a record is created with the // student's name and the value. Two files have been created

asked on September 1, 2013
47. Chemistry

Hi I just wanted to verify a few answers to chem questions I'm working on. Was wondering if anyone could help? 1. Calculate the molar concentration of 2.34g of lithium hydroxide, LiOH disolved in water to make 750ml of solution. My answer was CLiOH = 0.133

asked on October 17, 2010
48. calculus

A particle moves so that its position is given by ⟨cos(t),sin(t),cos(6t)⟩. Find the maximum and minimum speeds of the particle.

asked on August 19, 2016

Lansing Auto Pats, Inc., has projected sales of \$25,000 in October , \$35,000 in November, and \$30,000 in December of the company’s sales 20 percent are paid for by cash and 80 percent are sold on credit. The credit sales are collected one month after the

asked on March 20, 2012
50. calculus

Find all first and second partial derivatives of z with respect to x and y if x^2+4y^2+16z^2−64=0.

asked on August 24, 2016
51. physics

If the average gauge pressure in the vein is 14400 Pa, what must be the minimum height of the bag in order to infuse glucose into the vein? Assume that the specific gravity of the solution is 1.05. The acceleration of gravity is 9.8 m/s

asked on November 6, 2014
52. Math

I still do not understand fractions?????? 2/3 + 1/3 + 5/6 = divide all of them first then add them up ???. I am still lost, can someone please help me. Ok. In your earlier question, there was talk of the LCM, the least common multiple. Whenever you add

asked on March 21, 2007
53. math

When Mr. Lucky starts betting, he has 3 dollars. On any bet, he 7. wins with probability 1/3 and loses with probability 2/3. If he wins a bet, the total amount of money he has triples. If he loses a bet, he loses 2/3 of the total amount of money he has.

asked on July 5, 2016
54. history- response to Ms. Sue's comment

I don't understand this question: the removal of general mcclellan represents a loss of the army and the potomac and a victory for the interfering politicans in washington (validate) i know that mcclellan was replaced by grant because he was to hesitant to

asked on May 31, 2009
55. 6th grade math

Max kept records about where he spent his money. At the end of the year, he announced that he had spent 1.2 of his income on food and rent, 1/2 of his income on clothing, 1/12 on entertainment, and had saved \$1400. Mike said he spent 1/2 of his income on

asked on April 7, 2009
56. Math

Which group of decimals is ordered from least to greatest? A. 5.6,5.9,5.09,5.96,5.136 B. 0.112,1.012,1.3,1.0099,10.12 C. 2.8,2.109,2.72,2.1,2.719 D. 0.132,0.23,0.383,0.3905,0.392

asked on April 8, 2008
57. math-steve

When Mr. Lucky starts betting, he has 3 dollars. On any bet, he wins with probability 1/3 and loses with probability 2/3. If he wins a bet, the total amount of money he has triples. If he loses a bet, he loses 2/3 of the total amount of money he has. Mr.

asked on July 8, 2016
58. college financial planning

How do i prepare journal entries when they ask you to record perpetual system merchandising transactions of a company?

asked on March 7, 2010
59. Chemistry

What massof iron is contained in 86.6 grams if FeSO4?

asked on June 12, 2012
60. math

four more than three times a number equals 27

asked on June 7, 2017
61. physics

What force F must be applied to the small piston to maintain the load of 49 kN at a constant elevation?

asked on November 6, 2014
62. Math

A candle has length 25 cm. Once lit, the candle burns away at a constant rate of 0.6 cm per minute. What is the length of the candle (in cm) 20 minutes after it is lit?

asked on September 22, 2013
63. math

A runner starts a race at the starting line. A second runner starts at 44 yards. If the first runner moves 7 yards each second and the second runner moves 3 yards each second, at what distance will the first runner catch the second runner?

asked on January 14, 2013
64. algebra

2/3m + 17 = 17

asked on October 13, 2010
65. history

I don't understand this question: the removal of general mcclellan represents a loss of the army and the potomac and a victory for the interfering politicans in washington (validate) i know that mcclellan was replaced by grant because he was to hesitant to

asked on May 28, 2009
66. Math

The table shows the number of volunteers that work at a radio-thon for different numbers of hours . How many volunteers can be expected to go to work for 9 hours?

asked on December 13, 2016
67. math-steve

When Mr. Lucky starts betting, he has 3 dollars. On any bet, he wins with probability 1/3 and loses with probability 2/3. If he wins a bet, the total amount of money he has triples. If he loses a bet, he loses 2/3 of the total amount of money he has. Mr.

asked on July 5, 2016
68. trigonometry

from a point A on the side of straight road, the angle of elevation of the top of the electric pole is 15°20'. from a point B on the same side of the road, the angle of elevation of the top of the pole is 10°52'. If the distance of A and B is 50 meters,

asked on December 7, 2015
69. Math

The side length,s, of a cube is related to its volume, v, by the formula s=v^1/3. A cube box when filled with materials has a volume of 729 cm2. What is the side lenth of the cube box used? Please help me step by step with this. I don't know where to start

asked on November 20, 2010
70. CalculusAB

determine if differentiable everywhere: 3x-abs(x)-1=y i know you're supposed to find the derivative.... -- then my mind draws a blank? hahah please help me out also y=x ^ 2/5 you find the derivative and it is 2/(5x^(3/5)) now what? thanks so much

asked on October 4, 2009
71. history

I don't understand this question: the removal of general mcclellan represents a loss of the army and the potomac and a victory for the interfering politicans in washington (validate) i know that mcclellan was replaced by grant because he was to hesitant to

asked on May 28, 2009
72. Math

Which group of decimals is ordered from least to greatest? A. 5.6,5.9,5.09,5.96,5.136 B. 0.112,1.012,1.3,1.0099,10.12 C. 2.8,2.109,2.72,2.1,2.719 D. 0.132,0.23,0.383,0.3905,0.392

asked on April 8, 2008
73. Math

I still do not understand Today was my first day learning how to add 3 sets of fractions with different denominators and I did not get it. I need help with the following please. 1/8 + 1/2 + 3/4 = Waht is the LCM? Answer 8. So convert all the other

asked on March 21, 2007
74. English

I'm doing a 3000-4000 word essay on the book A clockwork Orange.Here's my topic: An Analysis of the "evil" character Alex Is this topic too broad? Should I narrow it down? Or is it just crap and I should come up with another one? Thanks for the help. First

asked on October 9, 2006
75. Calculus

Calculate the interval of convergence. Sigma from n=1 to infinity of (n!*x^n)/n^n.

asked on July 29, 2016
76. Calculus

Use the identity sin^2x+cos^2x=1 and the fact that sin^2x and cos^2x are mirror images in [0,pi/2], evaluate the integral from (0-pi/2) of sin^2xdx. I know how to calculate the integral using another trig identity, but I'm confused about how to solve this

asked on January 18, 2016
77. Calculus

A thin plate lies in the region between the circle x^2+y^2=4 and the circle x^2+y^2=1 above the x axis. Find the centroid. For the second part, same question except the region in the first quadrant instead of above x axis. For part a, I figured out bar x

asked on January 3, 2016
78. programming

Find Bugs in the pseudocode start Declarations num category num SIZE = 5 num QUIT = 9 num sales[SIZE] = 0, 0, 0, 0, 0 string HEAD1 = "Sales" string HEAD2 = "Category Number of Sales" output "Enter category ", QUIT, " to quit " input category while category

asked on August 30, 2013
79. calculus

a graph shows the divends declared per share of stock for the colgate-palmolive company for the years 1988 through 1998. Find the slope of the line segment connecting the years 1988 and 1998

asked on August 22, 2012
80. statistics

Considering that a researcher can test at the

asked on June 16, 2012
81. Statistics

The Arcade shack is a manufacturing plant located in San Diego where 800 factory workers are employed. The personnel department selected 36 factory employees at random for the statistical study. construct a 95% interval for the percentage of males in the

asked on May 23, 2012
82. algebra1

1/2x-6=5

asked on July 19, 2011
83. mba

(Default risk) You buy a very risky bond that promises a 9.5% coupon and return of the \$1,000 principal in 10 years. You pay only \$500 for the bond. a. You receive the coupon payments for three years and the bond defaults. After liquidating the firm, the

asked on September 27, 2009
84. math

I am having a hard time with fractions. Need some help with 2 1/4 - 7/8 =

asked on April 8, 2008
85. science

Hare are Vaccines important in preventing viral diseases?

asked on February 9, 2008
86. Research Paper

Hi all. It seems that I've run into a problem while starting to write a research paper for my drugs and behavior class. You see we were given an outline to follow and we had to choose any drug related topic. So I'm doing mine on cocaine and the problem I'm

asked on November 3, 2006
87. calculus

Find an equation of the plane containing the line of intersection of x+y+z=1 and x−y+2z=2, and perpendicular to the x-y plane.

asked on August 16, 2016
88. Calculus

Calculate the interval of convergence. Sigma from n=1 to infinity of (n!*x^n)/n^n. Calculus - Steve, Friday, July 29, 2016 at 11:52pm try using the ratio test. You should be able to show that the series converges for |x| < e I tried and I got |x|lim

asked on July 30, 2016
89. Calculus

Use the integral identity: ∫(a-1) (1/(1+x^2))dx=∫(1-1/a) (1/(1+u^2))du for a>1 to show that: arctan(a)+arctan(1/a)=π/2

asked on March 14, 2016
90. Math

How many digits are in the decimal representation of 5^40? No calculator allowed.

asked on March 2, 2016
91. math

Prove that sinx=x for x is a real number has only one solution at x=0

asked on February 15, 2016
92. Calculus

1. Prove that (f(x+h)-f(x-h))/2=f'(x) 2. Prove that any parabola sastifies the equation (f(x+h)-f(x-h))/2=f'(x) For the first question, I tried to solve it but there is an extra h tacked on to one side. I have no clue what to do for the second question.

asked on February 1, 2016
93. DC-AC Electronics

What is a Series Capacitor

asked on August 4, 2015
94. programming

trying to debug pseudocode 2. Th e Springwater Township School District has two high schools—Jeff erson and Audubon. Each school maintains a student fi le with fi elds containing student ID, last name, fi rst name, and address. Each fi le is in student

asked on September 4, 2013
95. math

a farmer plants a square block of trees. he plants another 25 tress and still has a square plantation. how many trees in the new plantation

asked on February 13, 2011
96. Physics

A 2.1 kg particle-like object moves in a plane with velocity components vx = 30 m/s and vy = 55 m/s as it passes through the point with (x, y) coordinates of (3.0, -4.0) m. (a) What is its angular momentum relative to the origin at this moment? kg · m2/s

asked on July 30, 2010
97. math

Write an equation form of each number using the digits 2, 3, 4 and 5 in each exercise. The expression should contain an exponent. Use each digit once. 1. 27= 2.5 = 3. 1 =

asked on January 26, 2010
98. Chemistry

What are probes in RFLP made of? HOw do they help isolate rare DNA fragments? I can't find the answer, so can I get some help please.

asked on May 22, 2008
99. Mathematical Studies

A right triangle has three sides known to be (x-5) (2x+1) and 2x. By use of the pythagorean theorem show how the sides of the triangle can yield the equation: x^2-14x+24=0 this is my work below: (x-5)^2+(2x+1)^2=2x^2 which expanded is:

asked on January 7, 2008
100. Math

I have no idea, but I guessed 5 pieces won out of 15. Anyhow here is the question. During an art contest at your school, you and a classmate each won blue ribbons for 1/3 of the pieces you entered in the contest. You won 2 blue ribbons and your classmate

asked on January 17, 2007

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